3/27/95

PENNSYLVANIA
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

42000  11881643  11863895  11793909  11319366 Pennsylvania
42001     78274     68292     56937     51906 Adams County
42003   1336449   1450085   1605016   1628587 Allegheny County
42005     73478     77768     75590     79524 Armstrong County
42007    186093    204441    208418    206948 Beaver County
42009     47919     46784     42353     42451 Bedford County
42011    336523    312509    296382    275414 Berks County
42013    130542    136621    135356    137270 Blair County
42015     60967     62919     57962     54925 Bradford County
42017    541174    479211    415056    308567 Bucks County
42019    152013    147912    127941    114639 Butler County
42021    163029    183263    186785    203283 Cambria County
42023      5913      6674      7096      7586 Cameron County
42025     56846     53285     50573     52889 Carbon County
42027    123786    112760     99267     78580 Centre County
42029    376396    316660    278311    210608 Chester County
42031     41699     43362     38414     37408 Clarion County
42033     78097     83578     74619     81534 Clearfield County
42035     37182     38971     37721     37619 Clinton County
42037     63202     61967     55114     53489 Columbia County
42039     86169     88869     81342     77956 Crawford County
42041    195257    178541    158177    124816 Cumberland County
42043    237813    232317    223834    220255 Dauphin County
42045    547651    555007    600035    553154 Delaware County
42047     34878     38338     37770     37328 Elk County
42049    275572    279780    263654    250682 Erie County
42051    145351    159417    154667    169340 Fayette County
42053      4802      5072      4926      4485 Forest County
42055    121082    113629    100833     88172 Franklin County
42057     13837     12842     10776     10597 Fulton County
42059     39550     40476     36090     39424 Greene County
42061     44164     42253     39108     39457 Huntingdon County
42063     89994     92281     79451     75366 Indiana County
42065     46083     48303     43695     46792 Jefferson County
42067     20625     19188     16712     15874 Juniata County
42069    219039    227908    234107    234531 Lackawanna County
42071    422822    362346    319693    278359 Lancaster County
42073     96246    107150    107374    112965 Lawrence County
42075    113744    108582     99665     90853 Lebanon County
42077    291130    272349    255304    227536 Lehigh County
42079    328149    343079    342301    346972 Luzerne County
42081    118710    118416    113296    109367 Lycoming County
42083     47131     50635     51915     54517 Mc Kean County
42085    121003    128299    127175    127519 Mercer County
42087     46197     46908     45268     44348 Mifflin County
42089     95709     69409     45422     39567 Monroe County
42091    678111    643621    623799    516682 Montgomery County
42093     17735     16675     16508     16730 Montour County
42095    247105    225418    214368    201412 Northampton County
42097     96771    100381     99190    104138 Northumberland County
42099     41172     35718     28615     26582 Perry County
42101   1585577   1688210   1948609   2002512 Philadelphia County
42103     27966     18271     11818      9158 Pike County
42105     16717     17726     16395     16483 Potter County
42107    152585    160630    160089    173027 Schuylkill County
42109     36680     33584     29269     25922 Snyder County
42111     78218     81243     76037     77450 Somerset County
42113      6104      6349      5961      6251 Sullivan County
42115     40380     37876     34344     33137 Susquehanna County
42117     41126     40973     39691     36614 Tioga County
42119     36176     32870     28603     25646 Union County
42121     59381     64444     62353     65295 Venango County
42123     45050     47449     47682     45582 Warren County
42125    204584    217074    210876    217271 Washington County
42127     39944     35237     29581     28237 Wayne County
42129    370321    392294    376935    352629 Westmoreland County
42131     28076     26433     19082     16813 Wyoming County
42133    339574    312963    272603    238336 York County

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

42000  10498012   9900180   9631350   8720017 Pennsylvania
42001     44197     39435     37128     34583 Adams County
42003   1515237   1411539   1374410   1185808 Allegheny County
42005     80842     81087     79298     75568 Armstrong County
42007    175192    156754    149062    111621 Beaver County
42009     40775     40809     37309     38277 Bedford County
42011    255740    241884    231717    200854 Berks County
42013    139514    140358    139840    128334 Blair County
42015     51722     50615     49039     53166 Bradford County
42017    144620    107715     96727     82476 Bucks County
42019     97320     87590     80480     77270 Butler County
42021    209541    213459    203146    197839 Cambria County
42023      7023      6852      5307      6297 Cameron County
42025     57558     61735     63380     62565 Carbon County
42027     65922     52608     46294     44304 Centre County
42029    159141    135626    126629    115120 Chester County
42031     38344     38410     34531     36170 Clarion County
42033     85957     92094     86727    103236 Clearfield County
42035     36532     34557     32319     33555 Clinton County
42037     53460     51413     48803     48349 Columbia County
42039     78948     71644     62980     60667 Crawford County
42041     94457     74806     68236     58578 Cumberland County
42043    197784    177410    165231    153116 Dauphin County
42045    414234    310756    280264    173084 Delaware County
42047     34503     34443     33431     34981 Elk County
42049    219388    180889    175277    153536 Erie County
42051    189899    200999    198542    188104 Fayette County
42053      4944      5791      5180      7477 Forest County
42055     75927     69378     65010     62275 Franklin County
42057     10387     10673      9231      9617 Fulton County
42059     45394     44671     41767     30804 Greene County
42061     40872     41836     39021     39848 Huntingdon County
42063     77106     79854     75395     80910 Indiana County
42065     49147     54090     52114     62104 Jefferson County
42067     15243     15373     14325     14464 Juniata County
42069    257396    301243    310397    286311 Lackawanna County
42071    234717    212504    196882    173797 Lancaster County
42073    105120     96877     97258     85545 Lawrence County
42075     81683     72641     67103     63152 Lebanon County
42077    198207    177533    172893    148101 Lehigh County
42079    392241    441518    445109    390991 Luzerne County
42081    101249     93633     93421     83100 Lycoming County
42083     56607     56673     55167     48934 Mc Kean County
42085    111954    101039     99246     93788 Mercer County
42087     43691     42993     40335     31439 Mifflin County
42089     33773     29802     28286     24295 Monroe County
42091    353068    289247    265804    199310 Montgomery County
42093     16001     15466     14517     14080 Montour County
42095    185243    168959    169304    153506 Northampton County
42097    117115    126887    128504    122079 Northumberland County
42099     24782     23213     21744     22875 Perry County
42101   2071605   1931334   1950961   1823779 Philadelphia County
42103      8425      7452      7483      6818 Pike County
42105     16810     18201     17489     21089 Potter County
42107    200577    228331    235505    217754 Schuylkill County
42109     22912     20208     18836     17129 Snyder County
42111     81813     84957     80764     82112 Somerset County
42113      6745      7504      7499      9520 Sullivan County
42115     31970     33893     33806     34763 Susquehanna County
42117     35474     35004     31871     37118 Tioga County
42119     23150     20247     17468     15850 Union County
42121     65328     63958     63226     59184 Venango County
42123     42698     42789     41453     40024 Warren County
42125    209628    210852    204802    188992 Washington County
42127     28478     29934     28420     27435 Wayne County
42129    313179    303411    294995    273568 Westmoreland County
42131     16766     16702     15517     14101 Wyoming County
42133    202737    178022    167135    144521 York County

 FIPS      1910      1900
00000  92228496  76212168                     United States

42000   7665111   6302115                     Pennsylvania
42001     34319     34496                     Adams County
42003   1018463    775058                     Allegheny County
42005     67880     52551                     Armstrong County
42007     78353     56432                     Beaver County
42009     38879     39468                     Bedford County
42011    183222    159615                     Berks County
42013    108858     85099                     Blair County
42015     54526     59403                     Bradford County
42017     76530     71190                     Bucks County
42019     72689     56962                     Butler County
42021    166131    104837                     Cambria County
42023      7644      7048                     Cameron County
42025     52846     44510                     Carbon County
42027     43424     42894                     Centre County
42029    109213     95695                     Chester County
42031     36638     34283                     Clarion County
42033     93768     80614                     Clearfield County
42035     31545     29197                     Clinton County
42037     48467     39896                     Columbia County
42039     61565     63643                     Crawford County
42041     54479     50344                     Cumberland County
42043    136152    114443                     Dauphin County
42045    117906     94762                     Delaware County
42047     35871     32903                     Elk County
42049    115517     98473                     Erie County
42051    167449    110412                     Fayette County
42053      9435     11039                     Forest County
42055     59775     54902                     Franklin County
42057      9703      9924                     Fulton County
42059     28882     28281                     Greene County
42061     38304     34650                     Huntingdon County
42063     66210     42556                     Indiana County
42065     63090     59113                     Jefferson County
42067     15013     16054                     Juniata County
42069    259570    193831                     Lackawanna County
42071    167029    159241                     Lancaster County
42073     70032     57042                     Lawrence County
42075     59565     53827                     Lebanon County
42077    118832     93893                     Lehigh County
42079    343186    257121                     Luzerne County
42081     80813     75663                     Lycoming County
42083     47868     51343                     Mc Kean County
42085     77699     57387                     Mercer County
42087     27785     23160                     Mifflin County
42089     22941     21161                     Monroe County
42091    169590    138995                     Montgomery County
42093     14868     15526                     Montour County
42095    127667     99687                     Northampton County
42097    111420     90911                     Northumberland County
42099     24136     26263                     Perry County
42101   1549008   1293697                     Philadelphia County
42103      8033      8766                     Pike County
42105     29729     30621                     Potter County
42107    207894    172927                     Schuylkill County
42109     16800     17304                     Snyder County
42111     67717     49461                     Somerset County
42113     11293     12134                     Sullivan County
42115     37746     40043                     Susquehanna County
42117     42829     49086                     Tioga County
42119     16249     17592                     Union County
42121     56359     49648                     Venango County
42123     39573     38946                     Warren County
42125    143680     92181                     Washington County
42127     29236     30171                     Wayne County
42129    231304    160175                     Westmoreland County
42131     15509     17152                     Wyoming County
42133    136405    116413                     York County