# Città dell'Illinois (G-P)

Lista delle città dell'Illinois, Stati Uniti d'America, comprendente i comuni (city e village) e i census-designated place (CDP).
I dati sono dell'USCB riferiti al censimento del 2000 e ad una stima del 01-07-2006 (tranne che per i CDP). L'elenco che segue presenta i comuni dalla lettera G alla P.
| # | città | contea | status | Cens. 2000 | Stima 01-07-06 |
| 431 | Gages Lake | Lake | CDP | 10415 | |
| 432 | Galatia | Saline | village | 1013 | 988 |
| 433 | Galena | Jo Daviess | city | 3460 | 3396 |
| 434 | Galesburg | Knox | city | 33706 | 31738 |
| 435 | Galva | Henry | city | 2758 | 2676 |
| 436 | Gardner | Grundy | village | 1406 | 1456 |
| 437 | Garrett | Douglas | village | 198 | 196 |
| 438 | Gays | Moultrie | village | 259 | 262 |
| 439 | Geneseo | Henry | city | 6480 | 6523 |
| 440 | Geneva | Kane | city | 19515 | 23975 |
| 441 | Genoa | DeKalb | city | 4169 | 4773 |
| 442 | Georgetown | Vermilion | city | 3628 | 3496 |
| 443 | German Valley | Stephenson | village | 481 | 459 |
| 444 | Germantown Hills | Woodford | village | 2111 | 2956 |
| 445 | Germantown | Clinton | village | 1118 | 1107 |
| 446 | Gibson City | Ford | city | 3373 | 3311 |
| 447 | Gifford | Champaign | village | 815 | 995 |
| 448 | Gilberts | Kane | village | 1279 | 5245 |
| 449 | Gillespie | Macoupin | city | 3412 | 3241 |
| 450 | Gilman | Iroquois | city | 1793 | 1778 |
| 451 | Girard | Macoupin | city | 2245 | 2214 |
| 452 | Gladstone | Henderson | village | 284 | 268 |
| 453 | Glasford | Peoria | village | 1076 | 1032 |
| 454 | Glasgow | Scott | village | 170 | 166 |
| 455 | Glen Carbon | Madison | village | 10425 | 12349 |
| 456 | Glen Ellyn | DuPage | village | 26999 | 27295 |
| 457 | Glencoe | Cook | village | 8762 | 9011 |
| 458 | Glendale Heights | DuPage | village | 31765 | 32349 |
| 459 | Glenview | Cook | village | 41847 | 46321 |
| 460 | Glenwood | Cook | village | 9000 | 8600 |
| 461 | Godfrey | Madison | village | 16286 | 17051 |
| 462 | Godley | Will | village | 594 | 719 |
| 463 | Golconda | Pope | city | 726 | 662 |
| 464 | Golden Gate | Wayne | village | 100 | 97 |
| 465 | Golden | Adams | village | 629 | 622 |
| 466 | Golf | Cook | village | 451 | 454 |
| 467 | Good Hope | McDonough | village | 415 | 384 |
| 468 | Goodfield | Woodford | village | 686 | 814 |
| 469 | Goodings Grove | Will | CDP | 17084 | |
| 470 | Goreville | Johnson | village | 938 | 999 |
| 471 | Gorham | Jackson | village | 256 | 248 |
| 472 | Grafton | Jersey | city | 609 | 711 |
| 473 | Grand Ridge | LaSalle | village | 546 | 528 |
| 474 | Grand Tower | Jackson | city | 624 | 585 |
| 475 | Grandview | Sangamon | village | 1537 | 1425 |
| 476 | Grandwood Park | Lake | CDP | 4521 | |
| 477 | Granite City | Madison | city | 31301 | 30593 |
| 478 | Grant Park | Kankakee | village | 1358 | 1591 |
| 479 | Grantfork | Madison | village | 254 | 281 |
| 480 | Granville | Putnam | village | 1414 | 1355 |
| 481 | Grayslake | Lake | village | 18506 | 21387 |
| 482 | Grayville | White | city | 1725 | 1620 |
| 483 | Green Oaks | Lake | village | 3572 | 3956 |
| 484 | Green Valley | Tazewell | village | 728 | 696 |
| 485 | Greenfield | Greene | city | 1179 | 1113 |
| 486 | Greenup | Cumberland | village | 1532 | 1498 |
| 487 | Greenview | Menard | village | 862 | 808 |
| 488 | Greenville | Bond | city | 6955 | 7134 |
| 489 | Greenwood | McHenry | village | 244 | 249 |
| 490 | Gridley | McLean | village | 1411 | 1405 |
| 491 | Griggsville | Pike | city | 1258 | 1191 |
| 492 | Gulfport | Henderson | village | 207 | 222 |
| 493 | Gurnee | Lake | village | 28834 | 30942 |
| 494 | Hainesville | Lake | village | 2129 | 3763 |
| 495 | Hamburg | Calhoun | village | 126 | 125 |
| 496 | Hamel | Madison | village | 570 | 770 |
| 497 | Hamilton | Hancock | city | 3029 | 2837 |
| 498 | Hammond | Piatt | village | 518 | 518 |
| 499 | Hampshire | Kane | village | 2900 | 4368 |
| 500 | Hampton | Rock Island | village | 1626 | 1770 |
| 501 | Hanaford | Franklin | village | 55 | 224 |
| 502 | Hanna City | Peoria | village | 1013 | 979 |
| 503 | Hanover Park | Cook | village | 38278 | 37161 |
| 504 | Hanover | Jo Daviess | village | 836 | 793 |
| 505 | Hardin | Calhoun | village | 959 | 952 |
| 506 | Harmon | Lee | village | 149 | 146 |
| 507 | Harrisburg | Saline | city | 9860 | 9573 |
| 508 | Harristown | Macon | village | 1338 | 1252 |
| 509 | Hartford | Madison | village | 1545 | 1482 |
| 510 | Hartsburg | Logan | village | 358 | 338 |
| 511 | Harvard | McHenry | city | 7996 | 9694 |
| 512 | Harvel | Montgomery | village | 235 | 232 |
| 513 | Harvey | Cook | city | 30000 | 28501 |
| 514 | Harwood Heights | Cook | village | 8297 | 8125 |
| 515 | Havana | Mason | city | 3577 | 3420 |
| 516 | Hawthorn Woods | Lake | village | 6002 | 7752 |
| 517 | Hazel Crest | Cook | village | 14816 | 14274 |
| 518 | Hebron | McHenry | village | 1038 | 1204 |
| 519 | Hecker | Monroe | village | 475 | 480 |
| 520 | Henderson | Knox | village | 319 | 302 |
| 521 | Hennepin | Putnam | village | 707 | 702 |
| 522 | Henning | Vermilion | village | 241 | 233 |
| 523 | Henry | Marshall | city | 2540 | 2488 |
| 524 | Herrick | Shelby | village | 524 | 517 |
| 525 | Herrin | Williamson | city | 11298 | 11835 |
| 526 | Herscher | Kankakee | village | 1523 | 1562 |
| 527 | Hettick | Macoupin | village | 182 | 179 |
| 528 | Heyworth | McLean | village | 2431 | 2492 |
| 529 | Hickory Hills | Cook | city | 13926 | 13443 |
| 530 | Hidalgo | Jasper | village | 123 | 120 |
| 531 | Highland | Madison | city | 8438 | 9373 |
| 532 | Highland Park | Lake | city | 31365 | 31614 |
| 533 | Highwood | Lake | city | 4143 | 5471 |
| 534 | Hillcrest | Ogle | village | 1158 | 1299 |
| 535 | Hillsboro | Montgomery | city | 4359 | 6267 |
| 536 | Hillsdale | Rock Island | village | 588 | 571 |
| 537 | Hillside | Cook | village | 8155 | 7683 |
| 538 | Hillview | Greene | village | 179 | 173 |
| 539 | Hinckley | DeKalb | village | 1994 | 2042 |
| 540 | Hindsboro | Douglas | village | 361 | 342 |
| 541 | Hinsdale | DuPage | village | 17349 | 18178 |
| 542 | Hodgkins | Cook | village | 2134 | 2050 |
| 543 | Hoffman Estates | Cook | village | 49495 | 52479 |
| 544 | Hoffman | Clinton | village | 460 | 451 |
| 545 | Holiday Hills | McHenry | village | 831 | 815 |
| 546 | Hollowayville | Bureau | village | 90 | 88 |
| 547 | Homer Glen | Will | village | | 25415 |
| 548 | Homer | Champaign | village | 1200 | 1136 |
| 549 | Hometown | Cook | city | 4467 | 4190 |
| 550 | Homewood | Cook | village | 19543 | 18734 |
| 551 | Hoopeston | Putnam | village | 5965 | 5722 |
| 552 | Hooppole | Vermilion | village | 162 | 154 |
| 553 | Hopedale | Marshall | city | 929 | 919 |
| 554 | Hopewell | Shelby | village | 396 | 439 |
| 555 | Hopkins Park | Williamson | city | 711 | 786 |
| 556 | Hoyleton | Washington | village | 520 | 500 |
| 557 | Hudson | McLean | village | 1510 | 1724 |
| 558 | Huey | Clinton | village | 196 | 188 |
| 559 | Hull | Pike | village | 474 | 444 |
| 560 | Humboldt | Coles | village | 481 | 472 |
| 561 | Hume | Edgar | village | 382 | 373 |
| 562 | Huntley | McHenry | village | 5730 | 20047 |
| 563 | Hurst | Williamson | city | 805 | 784 |
| 564 | Hutsonville | Crawford | village | 568 | 606 |
| 565 | Illiopolis | Sangamon | village | 916 | 853 |
| 566 | Ina | Jefferson | village | 2455 | 2431 |
| 567 | Indian Creek | Lake | village | 194 | 613 |
| 568 | Indian Head Park | Cook | village | 3685 | 3652 |
| 569 | Indianola | Vermilion | village | 207 | 224 |
| 570 | Industry | McDonough | village | 540 | 532 |
| 571 | Ingalls Park | Will | CDP | 3082 | |
| 572 | Inverness | Cook | village | 6749 | 7434 |
| 573 | Iola | Clay | village | 171 | 166 |
| 574 | Ipava | Fulton | village | 506 | 480 |
| 575 | Iroquois | Iroquois | village | 207 | 200 |
| 576 | Irving | Montgomery | village | 2484 | 491 |
| 577 | Irvington | Washington | village | 736 | 696 |
| 578 | Irwin | Kankakee | village | 92 | 88 |
| 579 | Island Lake | McHenry | village | 8153 | 8533 |
| 580 | Itasca | DuPage | village | 8302 | 8453 |
| 581 | Iuka | Marion | village | 598 | 582 |
| 582 | Ivesdale | Champaign | village | 288 | 276 |
| 583 | Jacksonville | Morgan | city | 18940 | 19448 |
| 584 | Jeffersonville | Wayne | village | 366 | 362 |
| 585 | Jeisyville | Christian | village | 128 | 124 |
| 586 | Jerome | Sangamon | village | 1414 | 1307 |
| 587 | Jerseyville | Jersey | city | 7984 | 8291 |
| 588 | Jewett | Cumberland | village | 232 | 227 |
| 589 | Johnsburg | McHenry | village | 5391 | 6494 |
| 590 | Johnsonville | Wayne | village | 69 | 67 |
| 591 | Johnston City | Williamson | city | 3557 | 3451 |
| 592 | Joliet | Will | city | 106221 | 142702 |
| 593 | Jonesboro | Union | city | 1853 | 1842 |
| 594 | Joppa | Massac | village | 409 | 411 |
| 595 | Joy | Mercer | village | 373 | 356 |
| 596 | Junction City | Marion | village | 559 | 548 |
| 597 | Junction | Gallatin | village | 139 | 133 |
| 598 | Justice | Cook | village | 12193 | 12612 |
| 599 | Kampsville | Calhoun | village | 302 | 299 |
| 600 | Kane | Greene | village | 459 | 445 |
| 601 | Kangley | LaSalle | village | 287 | 275 |
| 602 | Kankakee | Kankakee | city | 27491 | 26480 |
| 603 | Kansas | Edgar | village | 842 | 827 |
| 604 | Kappa | Woodford | village | 170 | 193 |
| 605 | Karnak | Pulaski | village | 619 | 580 |
| 606 | Kaskaskia | Randolph | village | 9 | 9 |
| 607 | Keenes | Wayne | village | 99 | 97 |
| 608 | Keensburg | Wabash | village | 252 | 247 |
| 609 | Keithsburg | Mercer | city | 714 | 700 |
| 610 | Kell | Marion | village | 231 | 225 |
| 611 | Kempton | Ford | village | 235 | 235 |
| 612 | Kenilworth | Cook | village | 2494 | 2422 |
| 613 | Kenney | DeWitt | village | 374 | 367 |
| 614 | Kewanee | Henry | city | 12944 | 12563 |
| 615 | Keyesport | Clinton | village | 481 | 473 |
| 616 | Kilbourne | Mason | village | 375 | 360 |
| 617 | Kildeer | Lake | village | 3460 | 4065 |
| 618 | Kincaid | Christian | village | 1441 | 1471 |
| 619 | Kinderhook | Pike | village | 249 | 236 |
| 620 | Kingston Mines | Peoria | village | 259 | 253 |
| 621 | Kingston | DeKalb | village | 980 | 1043 |
| 622 | Kinmundy | Marion | city | 892 | 869 |
| 623 | Kinsman | Grundy | village | 109 | 109 |
| 624 | Kirkland | DeKalb | village | 1166 | 1655 |
| 625 | Kirkwood | Warren | village | 794 | 720 |
| 626 | Knoxville | Knox | city | 3183 | 2991 |
| 627 | La Fayette | Stark | village | 227 | 223 |
| 628 | La Grange Park | Cook | village | 13295 | 12598 |
| 629 | La Grange | Cook | village | 15608 | 15401 |
| 630 | La Harpe | Hancock | city | 1385 | 1318 |
| 631 | La Moille | Bureau | village | 773 | 756 |
| 632 | La Prairie | Adams | village | 60 | 59 |
| 633 | La Rose | Marshall | village | 159 | 149 |
| 634 | Lacon | Marshall | city | 1979 | 1890 |
| 635 | Ladd | Bureau | village | 1313 | 1296 |
| 636 | Lake Barrington | Lake | village | 4757 | 5035 |
| 637 | Lake Bluff | Lake | village | 6056 | 6282 |
| 638 | Lake Catherine | Lake | CDP | 1490 | |
| 639 | Lake Forest | Lake | city | 20059 | 21320 |
| 640 | Lake in the Hills | McHenry | village | 23152 | 29359 |
| 641 | Lake Ka-ho | Macoupin | village | | 249 |
| 642 | Lake of the Woods | Champaign | CDP | 3026 | |
| 643 | Lake Summerset | Winnebago | CDP | 2061 | |
| 644 | Lake Villa | Lake | village | 5864 | 8614 |
| 645 | Lake Zurich | Lake | village | 18104 | 20386 |
| 646 | Lakemoor | McHenry | village | 2788 | 5154 |
| 647 | Lakewood Shores | Will | CDP | 1487 | |
| 648 | Lakewood | McHenry | village | 2337 | 3623 |
| 649 | Lanark | Carroll | city | 1584 | 1480 |
| 650 | Lansing | Cook | village | 28332 | 27093 |
| 651 | LaSalle | LaSalle | city | 9796 | 9511 |
| 652 | Latham | Logan | village | 371 | 350 |
| 653 | Lawrenceville | Lawrence | city | 4745 | 4496 |
| 654 | Le Roy | McLean | city | 3332 | 3436 |
| 655 | Leaf River | Ogle | village | 555 | 554 |
| 656 | Lebanon | St. Clair | city | 3523 | 4057 |
| 657 | Lee | Lee | village | 313 | 314 |
| 658 | Leland Grove | Sangamon | city | 1592 | 1458 |
| 659 | Leland | LaSalle | village | 970 | 958 |
| 660 | Lemont | Cook | village | 13098 | 15475 |
| 661 | Lena | Bureau | village | 2887 | 2827 |
| 662 | Lenzburg | Adams | village | 577 | 543 |
| 663 | Leonore | Marshall | village | 110 | 110 |
| 664 | Lerna | Marshall | city | 322 | 316 |
| 665 | Lewistown | Bureau | village | 2522 | 2424 |
| 666 | Lexington | McLean | city | 1912 | 1877 |
| 667 | Liberty | Adams | village | 519 | 515 |
| 668 | Libertyville | Lake | village | 20742 | 21955 |
| 669 | Lily Lake | Kane | village | 825 | 916 |
| 670 | Lima | Adams | village | 159 | 158 |
| 671 | Lincoln | Logan | city | 15369 | 14822 |
| 672 | Lincolnshire | Lake | village | 6108 | 7333 |
| 673 | Lincolnwood | Cook | village | 12359 | 11945 |
| 674 | Lindenhurst | Lake | village | 12539 | 14632 |
| 675 | Lisbon | Kendall | village | 248 | 274 |
| 676 | Lisle | DuPage | village | 21182 | 23364 |
| 677 | Litchfield | Will | CDP | 6815 | 6793 |
| 678 | Little York | Warren | village | 269 | 252 |
| 679 | Littleton | Schuyler | village | 197 | 191 |
| 680 | Liverpool | Fulton | village | 119 | 116 |
| 681 | Livingston | Madison | village | 825 | 791 |
| 682 | Loami | Sangamon | village | 804 | 786 |
| 683 | Lockport | Will | city | 15191 | 23840 |
| 684 | Loda | Iroquois | village | 419 | 411 |
| 685 | Lomax | Henderson | village | 477 | 443 |
| 686 | Lombard | DuPage | village | 42322 | 42792 |
| 687 | London Mills | Fulton | village | 447 | 434 |
| 688 | Long Creek | Macon | village | 1364 | 1317 |
| 689 | Long Grove | LaSalle | village | 6735 | 8058 |
| 690 | Long Lake | Lake | CDP | 3356 | |
| 691 | Long Point | Livingston | village | 247 | 239 |
| 692 | Longview | Champaign | village | 153 | 146 |
| 693 | Loraine | Adams | village | 363 | 359 |
| 694 | Lostant | LaSalle | village | 486 | 479 |
| 695 | Louisville | Clay | village | 1242 | 1247 |
| 696 | Loves Park | Winnebago | city | 20044 | 23744 |
| 697 | Lovington | Moultrie | village | 1222 | 1176 |
| 698 | Ludlow | Champaign | village | 324 | 363 |
| 699 | Lyndon | Whiteside | village | 566 | 544 |
| 700 | Lynnville | Morgan | village | 137 | 136 |
| 701 | Lynwood | Cook | village | 7377 | 7864 |
| 702 | Lyons | Cook | village | 10255 | 10381 |
| 703 | Macedonia | Hamilton | village | 51 | 50 |
| 704 | Machesney Park | Winnebago | village | 20759 | 22423 |
| 705 | Mackinaw | Tazewell | village | 1452 | 1661 |
| 706 | Macomb | McDonough | city | 18558 | 18422 |
| 707 | Macon | Macon | city | 1213 | 1146 |
| 708 | Madison | Madison | city | 4545 | 4559 |
| 709 | Maeystown | Monroe | village | 148 | 153 |
| 710 | Magnolia | Putnam | village | 279 | 276 |
| 711 | Mahomet | Champaign | village | 4877 | 5882 |
| 712 | Makanda | Jackson | village | 419 | 413 |
| 713 | Malden | Bureau | village | 343 | 337 |
| 714 | Malta | DeKalb | village | 969 | 1069 |
| 715 | Manchester | Scott | village | 354 | 344 |
| 716 | Manhattan | Will | village | 3330 | 6118 |
| 717 | Manito | Mason | village | 1733 | 1675 |
| 718 | Manlius | Bureau | village | 355 | 346 |
| 719 | Mansfield | Piatt | village | 949 | 932 |
| 720 | Manteno | Kankakee | village | 6414 | 8305 |
| 721 | Maple Park | Kane | village | 765 | 1219 |
| 722 | Mapleton | Peoria | village | 227 | 237 |
| 723 | Maquon | Knox | village | 318 | 295 |
| 724 | Marengo | McHenry | city | 6355 | 7499 |
| 725 | Marietta | Fulton | village | 150 | 146 |
| 726 | Marine | Madison | village | 910 | 933 |
| 727 | Marion | Williamson | city | 16035 | 17282 |
| 728 | Marissa | St. Clair | village | 2141 | 2024 |
| 729 | Mark | Putnam | village | 491 | 497 |
| 730 | Markham | Cook | city | 12620 | 12248 |
| 731 | Maroa | Macon | city | 1654 | 1560 |
| 732 | Marquette Heights | Tazewell | city | 2794 | 2829 |
| 733 | Marseilles | LaSalle | city | 4655 | 4895 |
| 734 | Marshall | Clark | city | 3771 | 3730 |
| 735 | Martinsville | Clark | city | 1225 | 1230 |
| 736 | Martinton | Iroquois | village | 375 | 389 |
| 737 | Maryville | Madison | village | 4651 | 6906 |
| 738 | Mascoutah | St. Clair | city | 5659 | 6209 |
| 739 | Mason City | Mason | city | 2558 | 2434 |
| 740 | Mason | Effingham | town | 396 | 398 |
| 741 | Matherville | Mercer | village | 772 | 765 |
| 742 | Matteson | Cook | village | 12928 | 16446 |
| 743 | Mattoon | Coles | city | 18291 | 17340 |
| 744 | Maunie | White | village | 177 | 175 |
| 745 | Maywood | Cook | village | 26987 | 25506 |
| 746 | Mazon | Grundy | village | 904 | 933 |
| 747 | McClure | Alexander | village | | 391 |
| 748 | McCook | Cook | village | 254 | 241 |
| 749 | McCullom Lake | McHenry | village | 1038 | 1074 |
| 750 | McHenry | McHenry | city | 21501 | 25884 |
| 751 | McLean | McLean | village | 808 | 784 |
| 752 | McLeansboro | Hamilton | city | 2945 | 2785 |
| 753 | McNabb | Putnam | village | 310 | 283 |
| 754 | Mechanicsburg | Sangamon | village | 456 | 434 |
| 755 | Media | Henderson | village | 130 | 120 |
| 756 | Medora | Macoupin | village | 501 | 493 |
| 757 | Melrose Park | Cook | village | 23171 | 493 |
| 758 | Melvin | Ford | village | 465 | 466 |
| 759 | Mendon | Adams | village | 883 | 875 |
| 760 | Mendota | LaSalle | city | 7272 | 7072 |
| 761 | Menominee | Jo Daviess | village | 237 | 233 |
| 762 | Meredosia | Morgan | village | 1041 | 992 |
| 763 | Merrionette Park | Cook | village | 1999 | 2022 |
| 764 | Metamora | Woodford | village | 2700 | 3195 |
| 765 | Metcalf | Edgar | village | 213 | 209 |
| 766 | Metropolis | Massac | city | 6482 | 6415 |
| 767 | Mettawa | Lake | village | 367 | 497 |
| 768 | Middletown | Logan | village | 434 | 427 |
| 769 | Midlothian | Cook | village | 14315 | 13821 |
| 770 | Milan | Rock Island | village | 5348 | 5213 |
| 771 | Milford | Iroquois | village | 1369 | 1302 |
| 772 | Mill Creek | Union | village | 76 | 76 |
| 773 | Mill Shoals | White | village | 235 | 232 |
| 774 | Millbrook | Kendall | village | | 308 |
| 775 | Milledgeville | Carroll | village | 1016 | 944 |
| 776 | Millington | Kendall | village | 458 | 495 |
| 777 | Millstadt | St. Clair | village | 2794 | 3247 |
| 778 | Milton | Pike | village | 274 | 260 |
| 779 | Mineral | Bureau | village | 272 | 266 |
| 780 | Minier | Tazewell | village | 1244 | 1251 |
| 781 | Minonk | Woodford | city | 2168 | 2169 |
| 782 | Minooka | Grundy | village | 3971 | 9718 |
| 783 | Modesto | Macoupin | village | 252 | 248 |
| 784 | Mokena | Will | village | 14583 | 18279 |
| 785 | Moline | Rock Island | city | 43768 | 42916 |
| 786 | Momence | Kankakee | city | 3171 | 3045 |
| 787 | Monee | Will | village | 2924 | 4825 |
| 788 | Monmouth | Warren | city | 9841 | 9151 |
| 789 | Monroe Center | Ogle | village | | 509 |
| 790 | Montgomery | Kane | village | 5471 | 13667 |
| 791 | Monticello | Piatt | city | 5138 | 5345 |
| 792 | Montrose | Effingham | village | 257 | 260 |
| 793 | Morris | Grundy | city | 11928 | 13282 |
| 794 | Morrison | Whiteside | city | 4447 | 4359 |
| 795 | Morrisonville | Christian | village | 1068 | 1043 |
| 796 | Morton Grove | Cook | village | 22451 | 22462 |
| 797 | Morton | Tazewell | village | 15198 | 15757 |
| 798 | Mound City | Pulaski | city | 692 | 626 |
| 799 | Mound Station | Brown | village | 127 | 121 |
| 800 | Mounds | Pulaski | city | 1117 | 997 |
| 801 | Mount Auburn | Christian | village | 515 | 545 |
| 802 | Mount Carmel | Wabash | city | 7982 | 7635 |
| 803 | Mount Carroll | Carroll | city | 1832 | 1689 |
| 804 | Mount Clare | Macoupin | village | 433 | 428 |
| 805 | Mount Erie | Wayne | village | 105 | 102 |
| 806 | Mount Morris | Ogle | village | 3013 | 3089 |
| 807 | Mount Olive | Macoupin | city | 2150 | 2087 |
| 808 | Mount Prospect | Cook | village | 56265 | 54140 |
| 809 | Mount Pulaski | Logan | city | 1701 | 1612 |
| 810 | Mount Sterling | Brown | city | 2070 | 1957 |
| 811 | Mount Vernon | Jefferson | city | 16269 | 16407 |
| 812 | Mount Zion | Macon | village | 4845 | 5061 |
| 813 | Moweaqua | Shelby | village | 1923 | 1852 |
| 814 | Muddy | Saline | village | 78 | 74 |
| 815 | Mulberry Grove | Bond | village | 671 | 668 |
| 816 | Muncie | Vermilion | village | 155 | 149 |
| 817 | Mundelein | Lake | village | 30935 | 33063 |
| 818 | Murphysboro | Jackson | city | 13295 | 8241 |
| 819 | Murrayville | Morgan | village | 644 | 635 |
| 820 | Naperville | DuPage | city | 128358 | 142901 |
| 821 | Naplate | LaSalle | village | 523 | 521 |
| 822 | Naples | Scott | town | 134 | 128 |
| 823 | Nashville | Washington | city | 3147 | 3077 |
| 824 | Nason | Jefferson | city | 234 | 238 |
| 825 | Nauvoo | Hancock | city | 1063 | 1162 |
| 826 | Nebo | Pike | village | 408 | 386 |
| 827 | Nelson | Lee | village | 163 | 160 |
| 828 | Neoga | Cumberland | city | 1854 | 1774 |
| 829 | Neponset | Bureau | village | 519 | 501 |
| 830 | New Athens | St. Clair | village | 1981 | 2012 |
| 831 | New Baden | Clinton | village | 3001 | 3132 |
| 832 | New Bedford | Bureau | village | 95 | 93 |
| 833 | New Berlin | Sangamon | village | 1030 | 1124 |
| 834 | New Boston | Mercer | city | 632 | 631 |
| 835 | New Burnside | Johnson | village | 242 | 261 |
| 836 | New Canton | Pike | town | 417 | 394 |
| 837 | New Douglas | Madison | village | 369 | 337 |
| 838 | New Grand Chain | Pulaski | village | 233 | 216 |
| 839 | New Haven | Gallatin | village | 477 | 456 |
| 840 | New Holland | Logan | village | 318 | 312 |
| 841 | New Lenox | Will | village | 17771 | 24039 |
| 842 | New Milford | Winnebago | village | 541 | 555 |
| 843 | New Minden | Washington | village | 204 | 197 |
| 844 | New Salem | Pike | village | 136 | 129 |
| 845 | Newark | Kendall | village | 887 | 1056 |
| 846 | Newman | Douglas | city | 956 | 925 |
| 847 | Newton | Jasper | city | 3069 | 2996 |
| 848 | Niantic | Macon | village | 738 | 681 |
| 849 | Niles | Cook | village | 30068 | 29065 |
| 850 | Nilwood | Macoupin | town | 284 | 280 |
| 851 | Noble | Richland | village | 746 | 709 |
| 852 | Nokomis | Montgomery | city | 2389 | 2311 |
| 853 | Nora | Jo Daviess | village | 118 | 116 |
| 854 | Normal | McLean | town | 45386 | 50681 |
| 855 | Norridge | Cook | village | 14582 | 14046 |
| 856 | Norris City | White | village | 1057 | 1044 |
| 857 | Norris | Fulton | village | 194 | 188 |
| 858 | North Aurora | Kane | village | 10585 | 14930 |
| 859 | North Barrington | Lake | village | 2918 | 3229 |
| 860 | North Chicago | Lake | city | 35918 | 34068 |
| 861 | North City | Franklin | village | 630 | 645 |
| 862 | North Henderson | Mercer | village | 187 | 186 |
| 863 | North Pekin | Tazewell | village | 1574 | 1574 |
| 864 | North Riverside | Cook | village | 6688 | 6320 |
| 865 | North Utica | LaSalle | village | 977 | 996 |
| 866 | Northbrook | Cook | village | 33435 | 34142 |
| 867 | Northfield | Cook | village | 5389 | 5488 |
| 868 | Northlake | Cook | city | 11878 | 11251 |
| 869 | Norwood | Peoria | village | 473 | 458 |
| 870 | Oak Brook | DuPage | village | 8702 | 8863 |
| 871 | Oak Forest | Cook | city | 28051 | 27970 |
| 872 | Oak Grove | Rock Island | village | 1318 | 715 |
| 873 | Oak Lawn | Cook | village | 55245 | 53777 |
| 874 | Oak Park | Cook | village | 52524 | 50272 |
| 875 | Oakbrook Terrace | DuPage | city | 2300 | 2421 |
| 876 | Oakdale | Washington | village | 213 | 205 |
| 877 | Oakford | Menard | village | 309 | 299 |
| 878 | Oakland | Coles | city | 996 | 938 |
| 879 | Oakwood Hills | McHenry | village | 2194 | 2375 |
| 880 | Oakwood | Vermilion | village | 1502 | 1456 |
| 881 | Oblong | Crawford | village | 1580 | 1547 |
| 882 | Oconee | Shelby | village | 202 | 190 |
| 883 | Odell | Livingston | village | 1014 | 1013 |
| 884 | Odin | Marion | village | 1122 | 1079 |
| 885 | O'Fallon | St. Clair | city | 21910 | 25822 |
| 886 | Ogden | Champaign | village | 743 | 726 |
| 887 | Oglesby | LaSalle | city | 3647 | 3641 |
| 888 | Ohio | Bureau | village | 540 | 527 |
| 889 | Ohlman | Montgomery | village | 0 | 144 |
| 890 | Okawville | Washington | village | 1355 | 1343 |
| 891 | Old Mill Creek | Lake | village | 251 | 258 |
| 892 | Old Ripley | Bond | village | 127 | 126 |
| 893 | Old Shawneetown | Gallatin | village | 278 | 268 |
| 894 | Olmsted | Pulaski | village | 299 | 278 |
| 895 | Olney | Richland | city | 8631 | 8426 |
| 896 | Olympia Fields | Cook | village | 4732 | 4704 |
| 897 | Omaha | Gallatin | village | 263 | 251 |
| 898 | Onarga | Iroquois | village | 1438 | 1395 |
| 899 | Oneida | Knox | city | 752 | 711 |
| 900 | Oquawka | Henderson | village | 1539 | 1441 |
| 901 | Orangeville | Stephenson | village | 751 | 769 |
| 902 | Oreana | Macon | village | 892 | 941 |
| 903 | Oregon | Ogle | city | 4060 | 4173 |
| 904 | Orient | Franklin | city | 296 | 318 |
| 905 | Orion | Henry | village | 1713 | 1711 |
| 906 | Orland Hills | Cook | village | 6779 | 7303 |
| 907 | Orland Park | Cook | village | 51077 | 55520 |
| 908 | Oswego | Kendall | village | 13326 | 26252 |
| 909 | Ottawa | LaSalle | city | 18307 | 19058 |
| 910 | Otterville | Jersey | town | 120 | 121 |
| 911 | Owaneco | Christian | village | 256 | 250 |
| 912 | Palatine | Cook | village | 65479 | 67396 |
| 913 | Palestine | Crawford | village | 1366 | 1348 |
| 914 | Palmer | Christian | village | 248 | 237 |
| 915 | Palmyra | Macoupin | village | 733 | 722 |
| 916 | Palos Heights | Cook | city | 11260 | 12558 |
| 917 | Palos Hills | Cook | city | 17665 | 17146 |
| 918 | Palos Park | Cook | village | 4689 | 4752 |
| 919 | Pana | Christian | city | 5614 | 5501 |
| 920 | Panama | Montgomery | village | 323 | 322 |
| 921 | Panola | Woodford | village | 33 | 34 |
| 922 | Papineau | Iroquois | village | 196 | 202 |
| 923 | Paris | Edgar | city | 9077 | 8857 |
| 924 | Park City | Lake | city | 6637 | 6761 |
| 925 | Park Forest | Cook | village | 23462 | 22855 |
| 926 | Park Ridge | Cook | city | 37775 | 36887 |
| 927 | Parkersburg | Richland | village | 234 | 228 |
| 928 | Patoka | Marion | village | 633 | 616 |
| 929 | Paw Paw | Lee | village | 852 | 885 |
| 930 | Pawnee | Sangamon | village | 2647 | 2550 |
| 931 | Paxton | Ford | city | 4525 | 4552 |
| 932 | Payson | Adams | village | 1066 | 1058 |
| 933 | Pearl City | Stephenson | village | 780 | 780 |
| 934 | Pearl | Pike | village | 187 | 177 |
| 935 | Pecatonica | Winnebago | village | 1997 | 2191 |
| 936 | Pekin | Tazewell | city | 33857 | 33368 |
| 937 | Peoria | Peoria | city | 112936 | 113107 |
| 938 | Peoria Heights | Peoria | village | 6635 | 6257 |
| 939 | Peotone | Will | village | 3385 | 4186 |
| 940 | Percy | Randolph | village | 942 | 933 |
| 941 | Perry | Pike | village | 437 | 409 |
| 942 | Peru | LaSalle | city | 9835 | 9833 |
| 943 | Pesotum | Champaign | village | 521 | 498 |
| 944 | Petersburg | Menard | city | 2299 | 2192 |
| 945 | Phillipstown | White | village | 28 | 28 |
| 946 | Philo | Champaign | village | 1314 | 1560 |
| 947 | Phoenix | Cook | village | 2157 | 2047 |
| 948 | Pierron | Bond | village | 653 | 652 |
| 949 | Pinckneyville | Perry | city | 5464 | 5460 |
| 950 | Pingree Grove | Kane | village | 124 | 1714 |
| 951 | Piper City | Ford | village | 781 | 748 |
| 952 | Pistakee Highlands | McHenry | CDP | 3812 | |
| 953 | Pittsburg | Williamson | village | 575 | 580 |
| 954 | Pittsfield | Pike | city | 4211 | 4536 |
| 955 | Plainfield | Will | village | 13038 | 31968 |
| 956 | Plainville | Adams | village | 248 | 245 |
| 957 | Plano | Kendall | city | 5633 | 9415 |
| 958 | Pleasant Hill | Pike | village | 1047 | 991 |
| 959 | Pleasant Plains | Sangamon | village | 777 | 727 |
| 960 | Plymouth | Hancock | village | 562 | 534 |
| 961 | Pocahontas | Bond | village | 727 | 723 |
| 962 | Polo | Ogle | city | 2477 | 2509 |
| 963 | Pontiac | Livingston | city | 11864 | 11353 |
| 964 | Pontoon Beach | Madison | village | 5620 | 6051 |
| 965 | Pontoosuc | Hancock | village | 171 | 163 |
| 966 | Poplar Grove | Boone | village | 1368 | 3554 |
| 967 | Port Barrington | McHenry | village | | 1445 |
| 968 | Port Byron | Rock Island | village | 1535 | 1655 |
| 969 | Posen | Cook | village | 4730 | 4950 |
| 970 | Potomac | Vermilion | village | 681 | 663 |
| 971 | Prairie City | McDonough | village | 461 | 425 |
| 972 | Prairie du Rocher | Randolph | village | 613 | 583 |
| 973 | Prairie Grove | McHenry | village | 960 | 1884 |
| 974 | Preston Heights | Will | CDP | 2527 | |
| 975 | Princeton | Bureau | city | 7501 | 7555 |
| 976 | Princeville | Peoria | village | 1621 | 1577 |
| 977 | Prophetstown | Whiteside | city | 2023 | 1952 |
| 978 | Prospect Heights | Cook | city | 17081 | 16244 |
| 979 | Pulaski | Pulaski | village | 274 | 243 |