3/27/95

IOWA
Population of Counties by Decennial Census: 1900 to 1990
Compiled and edited by Richard L. Forstall
                       Population Division 
                       US Bureau of the Census
                       Washington, DC  20233

Please see file, 1900-90.doc for explanatory notes and documentation.

 FIPS      1990      1980      1970      1960
00000 248709873 226545805 203211926 179323175 United States

19000   2776755   2913808   2824376   2757537 Iowa
19001      8409      9509      9487     10893 Adair County
19003      4866      5731      6322      7468 Adams County
19005     13855     15108     14968     15982 Allamakee County
19007     13743     15511     15007     16015 Appanoose County
19009      7334      8559      9595     10919 Audubon County
19011     22429     23649     22885     23422 Benton County
19013    123798    137961    132916    122482 Black Hawk County
19015     25186     26184     26470     28037 Boone County
19017     22813     24820     22737     21108 Bremer County
19019     20844     22900     21746     22293 Buchanan County
19021     19965     20774     20693     21189 Buena Vista County
19023     15731     17668     16953     17467 Butler County
19025     11508     13542     14287     15923 Calhoun County
19027     21423     22951     22912     23431 Carroll County
19029     15128     16932     17007     17919 Cass County
19031     17381     18635     17655     17791 Cedar County
19033     46733     48458     49335     49894 Cerro Gordo County
19035     14098     16238     17269     18598 Cherokee County
19037     13295     15437     14969     15034 Chickasaw County
19039      8287      8612      7581      8222 Clarke County
19041     17585     19576     18464     18504 Clay County
19043     19054     21098     20606     21962 Clayton County
19045     51040     57122     56749     55060 Clinton County
19047     16775     18935     18780     18569 Crawford County
19049     29755     29513     26085     24123 Dallas County
19051      8312      9104      8207      9199 Davis County
19053      8338      9794      9737     10539 Decatur County
19055     18035     18933     18770     18483 Delaware County
19057     42614     46203     46982     44605 Des Moines County
19059     14909     15629     12565     12574 Dickinson County
19061     86403     93745     90609     80048 Dubuque County
19063     11569     13336     14009     14871 Emmet County
19065     21843     25488     26898     28581 Fayette County
19067     17058     19597     19860     21102 Floyd County
19069     11364     13036     13255     15472 Franklin County
19071      8226      9401      9282     10282 Fremont County
19073     10045     12119     12716     14379 Greene County
19075     12029     14366     14119     14132 Grundy County
19077     10935     11983     12243     13607 Guthrie County
19079     16071     17862     18383     20032 Hamilton County
19081     12638     13833     13227     14604 Hancock County
19083     19094     21776     22248     22533 Hardin County
19085     14730     16348     16240     17600 Harrison County
19087     19226     18890     18114     18187 Henry County
19089      9809     11114     11442     12734 Howard County
19091     10756     12246     12519     13156 Humboldt County
19093      8365      8908      9190     10269 Ida County
19095     14630     15429     15419     16396 Iowa County
19097     19950     22503     20839     20754 Jackson County
19099     34795     36425     35425     35282 Jasper County
19101     16310     16316     15774     15818 Jefferson County
19103     96119     81717     72127     53663 Johnson County
19105     19444     20401     19868     20693 Jones County
19107     11624     12921     13943     15492 Keokuk County
19109     18591     21891     22937     25314 Kossuth County
19111     38687     43106     42996     44207 Lee County
19113    168767    169775    163213    136899 Linn County
19115     11592     12055     10682     10290 Louisa County
19117      9070     10313     10163     10923 Lucas County
19119     11952     12896     13340     14468 Lyon County
19121     12483     12597     11558     12295 Madison County
19123     21522     22867     22177     23602 Mahaska County
19125     30001     29669     26352     25886 Marion County
19127     38276     41652     41076     37984 Marshall County
19129     13202     13406     11606     13050 Mills County
19131     10928     12329     13108     14043 Mitchell County
19133     10034     11692     12069     13916 Monona County
19135      8114      9209      9357     10463 Monroe County
19137     12076     13413     12781     14467 Montgomery County
19139     39907     40436     37181     33840 Muscatine County
19141     15444     16972     17522     18840 O'Brien County
19143      7267      8371      8555     10064 Osceola County
19145     16870     19063     18507     21023 Page County
19147     10669     12721     13289     14736 Palo Alto County
19149     23388     24743     24312     23906 Plymouth County
19151      9525     11369     12729     14234 Pocahontas County
19153    327140    303170    286101    266315 Polk County
19155     82628     86561     86991     83102 Pottawattami County
19157     19033     19306     18803     19300 Poweshiek County
19159      5420      6112      6373      7910 Ringgold County
19161     12324     14118     15573     17007 Sac County
19163    150979    160022    142687    119067 Scott County
19165     13230     15043     15528     15825 Shelby County
19167     29903     30813     27996     26375 Sioux County
19169     74252     72326     62783     49327 Story County
19171     17419     19533     20147     21413 Tama County
19173      7114      8353      8790     10288 Taylor County
19175     12750     13858     13557     13712 Union County
19177      7676      8626      8643      9778 Van Buren County
19179     35687     40241     42149     46126 Wapello County
19181     36033     34878     27432     20829 Warren County
19183     19612     20141     18967     19406 Washington County
19185      7067      8199      8405      9800 Wayne County
19187     40342     45953     48391     47810 Webster County
19189     12122     13010     12990     13099 Winnebago County
19191     20847     21876     21758     21651 Winneshiek County
19193     98276    100884    103052    107849 Woodbury County
19195      7991      9075      8968     10259 Worth County
19197     14269     16319     17294     19447 Wright County

 FIPS      1950      1940      1930      1920
00000 151325798 132164569 123202624 106021537 United States

19000   2621073   2538268   2470939   2404021 Iowa
19001     12292     13196     13891     14259 Adair County
19003      8753     10156     10437     10521 Adams County
19005     16351     17184     16328     17285 Allamakee County
19007     19683     24245     24835     30535 Appanoose County
19009     11579     11790     12264     12520 Audubon County
19011     22656     22879     22851     24080 Benton County
19013    100448     79946     69146     56570 Black Hawk County
19015     28139     29782     29271     29892 Boone County
19017     18884     17932     17046     16728 Bremer County
19019     21927     20991     19550     19890 Buchanan County
19021     21113     19838     18667     18556 Buena Vista County
19023     17394     17986     17617     17845 Butler County
19025     16925     17584     17605     17783 Calhoun County
19027     23065     22770     22326     21549 Carroll County
19029     18532     18647     19422     19421 Cass County
19031     16910     16884     16760     17560 Cedar County
19033     46053     43845     38476     34675 Cerro Gordo County
19035     19052     19258     18737     17760 Cherokee County
19037     15228     15227     14637     15431 Chickasaw County
19039      9369     10233     10384     10506 Clarke County
19041     18103     17762     16107     15660 Clay County
19043     22522     24334     24559     25032 Clayton County
19045     49664     44722     44377     43371 Clinton County
19047     19741     20538     21028     20614 Crawford County
19049     23661     24649     25493     25120 Dallas County
19051      9959     11136     11150     12574 Davis County
19053     12601     14012     14903     16566 Decatur County
19055     17734     18487     18122     18183 Delaware County
19057     42056     36804     38162     35520 Des Moines County
19059     12756     12185     10982     10241 Dickinson County
19061     71337     63768     61214     58262 Dubuque County
19063     14102     13406     12856     12627 Emmet County
19065     28294     29151     29145     29251 Fayette County
19067     21505     20169     19524     18860 Floyd County
19069     16268     16379     16382     15807 Franklin County
19071     12323     14645     15533     15447 Fremont County
19073     15544     16599     16528     16467 Greene County
19075     13722     13518     14133     14420 Grundy County
19077     15197     17210     17324     17596 Guthrie County
19079     19660     19922     20978     19531 Hamilton County
19081     15077     15402     14802     14723 Hancock County
19083     22218     22530     22947     23337 Hardin County
19085     19560     22767     24897     24488 Harrison County
19087     18708     17994     17660     18298 Henry County
19089     13105     13531     13082     13705 Howard County
19091     13117     13459     13202     12951 Humboldt County
19093     10697     11047     11933     11689 Ida County
19095     15835     17016     17332     18600 Iowa County
19097     18622     19181     18481     19931 Jackson County
19099     32305     31496     32936     27855 Jasper County
19101     15696     15762     16241     16440 Jefferson County
19103     45756     33191     30276     26462 Johnson County
19105     19401     19950     19206     18607 Jones County
19107     16797     18406     19148     20983 Keokuk County
19109     26241     26630     25452     25082 Kossuth County
19111     43102     41074     41268     39676 Lee County
19113    104274     89142     82336     74004 Linn County
19115     11101     11384     11575     12179 Louisa County
19117     12069     14571     15114     15686 Lucas County
19119     14697     15374     15293     15431 Lyon County
19121     13131     14525     14331     15020 Madison County
19123     24672     26485     25804     26270 Mahaska County
19125     25930     27019     25727     24957 Marion County
19127     35611     35406     33727     32630 Marshall County
19129     14064     15064     15866     15422 Mills County
19131     13945     14121     14065     13921 Mitchell County
19133     16303     18238     18213     17125 Monona County
19135     11814     14553     15010     23467 Monroe County
19137     15685     15697     16752     17048 Montgomery County
19139     32148     31296     29385     29042 Muscatine County
19141     18970     19293     18409     19051 O'Brien County
19143     10181     10607     10182     10223 Osceola County
19145     23921     24887     25904     24137 Page County
19147     15891     16170     15398     15486 Palo Alto County
19149     23252     23502     24159     23584 Plymouth County
19151     15496     16266     15687     15602 Pocahontas County
19153    226010    195835    172837    154029 Polk County
19155     69682     66756     69888     61550 Pottawattami County
19157     19344     18758     18727     19910 Poweshiek County
19159      9528     11137     11966     12919 Ringgold County
19161     17518     17639     17641     17500 Sac County
19163    100698     84748     77332     73952 Scott County
19165     15942     16720     17131     16065 Shelby County
19167     26381     27209     26806     26458 Sioux County
19169     44294     33434     31141     26185 Story County
19171     21688     22428     21987     21861 Tama County
19173     12420     14258     14859     15514 Taylor County
19175     15651     16280     17435     17268 Union County
19177     11007     12053     12603     14060 Van Buren County
19179     47397     44280     40480     37937 Wapello County
19181     17758     17695     17700     18047 Warren County
19183     19557     20055     19822     20421 Washington County
19185     11737     13308     13787     15378 Wayne County
19187     44241     41521     40425     37611 Webster County
19189     13450     13972     13143     13489 Winnebago County
19191     21639     22263     21630     22091 Winneshiek County
19193    103917    103627    101669     92171 Woodbury County
19195     11068     11449     11164     11630 Worth County
19197     19652     20038     20216     20348 Wright County

 FIPS      1910      1900
00000  92228496  76212168                     United States

19000   2224771   2231853                     Iowa
19001     14420     16192                     Adair County
19003     10998     13601                     Adams County
19005     17328     18711                     Allamakee County
19007     28701     25927                     Appanoose County
19009     12671     13626                     Audubon County
19011     23156     25177                     Benton County
19013     44865     32399                     Black Hawk County
19015     27626     28200                     Boone County
19017     15843     16305                     Bremer County
19019     19748     21427                     Buchanan County
19021     15981     16975                     Buena Vista County
19023     17119     17955                     Butler County
19025     17090     18569                     Calhoun County
19027     20117     20319                     Carroll County
19029     19047     21274                     Cass County
19031     17765     19371                     Cedar County
19033     25011     20672                     Cerro Gordo County
19035     16741     16570                     Cherokee County
19037     15375     17037                     Chickasaw County
19039     10736     12440                     Clarke County
19041     12766     13401                     Clay County
19043     25576     27750                     Clayton County
19045     45394     43832                     Clinton County
19047     20041     21685                     Crawford County
19049     23628     23058                     Dallas County
19051     13315     15620                     Davis County
19053     16347     18115                     Decatur County
19055     17888     19185                     Delaware County
19057     36145     35989                     Des Moines County
19059      8137      7995                     Dickinson County
19061     57450     56403                     Dubuque County
19063      9816      9936                     Emmet County
19065     27919     29845                     Fayette County
19067     17119     17754                     Floyd County
19069     14780     14996                     Franklin County
19071     15623     18546                     Fremont County
19073     16023     17820                     Greene County
19075     13574     13757                     Grundy County
19077     17374     18729                     Guthrie County
19079     19242     19514                     Hamilton County
19081     12731     13752                     Hancock County
19083     20921     22794                     Hardin County
19085     23162     25597                     Harrison County
19087     18640     20022                     Henry County
19089     12920     14512                     Howard County
19091     12182     12667                     Humboldt County
19093     11296     12327                     Ida County
19095     18409     19544                     Iowa County
19097     21258     23615                     Jackson County
19099     27034     26976                     Jasper County
19101     15951     17437                     Jefferson County
19103     25914     24817                     Johnson County
19105     19050     21954                     Jones County
19107     21160     24979                     Keokuk County
19109     21971     22720                     Kossuth County
19111     36702     39719                     Lee County
19113     60720     55392                     Linn County
19115     12855     13516                     Louisa County
19117     13462     16126                     Lucas County
19119     14624     13165                     Lyon County
19121     15621     17710                     Madison County
19123     29860     34273                     Mahaska County
19125     22995     24159                     Marion County
19127     30279     29991                     Marshall County
19129     15811     16764                     Mills County
19131     13435     14916                     Mitchell County
19133     16633     17980                     Monona County
19135     25429     17985                     Monroe County
19137     16604     17803                     Montgomery County
19139     29505     28242                     Muscatine County
19141     17262     16985                     O'Brien County
19143      8956      8725                     Osceola County
19145     24002     24187                     Page County
19147     13845     14354                     Palo Alto County
19149     23129     22209                     Plymouth County
19151     14808     15339                     Pocahontas County
19153    110438     82624                     Polk County
19155     55832     54336                     Pottawattami County
19157     19589     19414                     Poweshiek County
19159     12904     15325                     Ringgold County
19161     16555     17639                     Sac County
19163     60000     51558                     Scott County
19165     16552     17932                     Shelby County
19167     25248     23337                     Sioux County
19169     24083     23159                     Story County
19171     22156     24585                     Tama County
19173     16312     18784                     Taylor County
19175     16616     19928                     Union County
19177     15020     17354                     Van Buren County
19179     37743     35426                     Wapello County
19181     18194     20376                     Warren County
19183     19925     20718                     Washington County
19185     16184     17491                     Wayne County
19187     34629     31757                     Webster County
19189     11914     12725                     Winnebago County
19191     21729     23731                     Winneshiek County
19193     67616     54610                     Woodbury County
19195      9950     10887                     Worth County
19197     17951     18227                     Wright County