Business planning by county
Pennsylvania county reference
67 counties and county equivalents in Pennsylvania. Search names or FIPS codes, compare Census geography and keep the original sources with your work.
- Adams County
Pennsylvania · FIPS 42001
107,594 residents · 2025 estimate
- Allegheny County
Pennsylvania · FIPS 42003
1,225,035 residents · 2025 estimate
- Armstrong County
Pennsylvania · FIPS 42005
63,698 residents · 2025 estimate
- Beaver County
Pennsylvania · FIPS 42007
166,032 residents · 2025 estimate
- Bedford County
Pennsylvania · FIPS 42009
47,480 residents · 2025 estimate
- Berks County
Pennsylvania · FIPS 42011
440,072 residents · 2025 estimate
- Blair County
Pennsylvania · FIPS 42013
119,541 residents · 2025 estimate
- Bradford County
Pennsylvania · FIPS 42015
59,600 residents · 2025 estimate
- Bucks County
Pennsylvania · FIPS 42017
647,828 residents · 2025 estimate
- Butler County
Pennsylvania · FIPS 42019
200,169 residents · 2025 estimate
- Cambria County
Pennsylvania · FIPS 42021
128,968 residents · 2025 estimate
- Cameron County
Pennsylvania · FIPS 42023
4,211 residents · 2025 estimate
- Carbon County
Pennsylvania · FIPS 42025
65,868 residents · 2025 estimate
- Centre County
Pennsylvania · FIPS 42027
157,393 residents · 2025 estimate
- Chester County
Pennsylvania · FIPS 42029
557,116 residents · 2025 estimate
- Clarion County
Pennsylvania · FIPS 42031
36,680 residents · 2025 estimate
- Clearfield County
Pennsylvania · FIPS 42033
78,100 residents · 2025 estimate
- Clinton County
Pennsylvania · FIPS 42035
37,870 residents · 2025 estimate
- Columbia County
Pennsylvania · FIPS 42037
66,193 residents · 2025 estimate
- Crawford County
Pennsylvania · FIPS 42039
81,792 residents · 2025 estimate
- Cumberland County
Pennsylvania · FIPS 42041
277,270 residents · 2025 estimate
- Dauphin County
Pennsylvania · FIPS 42043
293,351 residents · 2025 estimate
- Delaware County
Pennsylvania · FIPS 42045
580,937 residents · 2025 estimate
- Elk County
Pennsylvania · FIPS 42047
29,926 residents · 2025 estimate
- Erie County
Pennsylvania · FIPS 42049
265,832 residents · 2025 estimate
- Fayette County
Pennsylvania · FIPS 42051
123,021 residents · 2025 estimate
- Forest County
Pennsylvania · FIPS 42053
6,614 residents · 2025 estimate
- Franklin County
Pennsylvania · FIPS 42055
160,652 residents · 2025 estimate
- Fulton County
Pennsylvania · FIPS 42057
14,483 residents · 2025 estimate
- Greene County
Pennsylvania · FIPS 42059
33,885 residents · 2025 estimate
- Huntingdon County
Pennsylvania · FIPS 42061
43,001 residents · 2025 estimate
- Indiana County
Pennsylvania · FIPS 42063
82,878 residents · 2025 estimate
- Jefferson County
Pennsylvania · FIPS 42065
43,255 residents · 2025 estimate
- Juniata County
Pennsylvania · FIPS 42067
23,403 residents · 2025 estimate
- Lackawanna County
Pennsylvania · FIPS 42069
216,502 residents · 2025 estimate
- Lancaster County
Pennsylvania · FIPS 42071
563,159 residents · 2025 estimate
- Lawrence County
Pennsylvania · FIPS 42073
83,911 residents · 2025 estimate
- Lebanon County
Pennsylvania · FIPS 42075
146,380 residents · 2025 estimate
- Lehigh County
Pennsylvania · FIPS 42077
384,383 residents · 2025 estimate
- Luzerne County
Pennsylvania · FIPS 42079
332,126 residents · 2025 estimate
- Lycoming County
Pennsylvania · FIPS 42081
112,587 residents · 2025 estimate
- McKean County
Pennsylvania · FIPS 42083
38,984 residents · 2025 estimate
- Mercer County
Pennsylvania · FIPS 42085
107,860 residents · 2025 estimate
- Mifflin County
Pennsylvania · FIPS 42087
46,127 residents · 2025 estimate
- Monroe County
Pennsylvania · FIPS 42089
167,179 residents · 2025 estimate
- Montgomery County
Pennsylvania · FIPS 42091
877,643 residents · 2025 estimate
- Montour County
Pennsylvania · FIPS 42093
17,868 residents · 2025 estimate
- Northampton County
Pennsylvania · FIPS 42095
324,411 residents · 2025 estimate
- Northumberland County
Pennsylvania · FIPS 42097
89,920 residents · 2025 estimate
- Perry County
Pennsylvania · FIPS 42099
46,806 residents · 2025 estimate
- Philadelphia County
Pennsylvania · FIPS 42101
1,574,281 residents · 2025 estimate
- Pike County
Pennsylvania · FIPS 42103
62,808 residents · 2025 estimate
- Potter County
Pennsylvania · FIPS 42105
15,897 residents · 2025 estimate
- Schuylkill County
Pennsylvania · FIPS 42107
145,085 residents · 2025 estimate
- Snyder County
Pennsylvania · FIPS 42109
39,655 residents · 2025 estimate
- Somerset County
Pennsylvania · FIPS 42111
72,004 residents · 2025 estimate
- Sullivan County
Pennsylvania · FIPS 42113
5,856 residents · 2025 estimate
- Susquehanna County
Pennsylvania · FIPS 42115
38,237 residents · 2025 estimate
- Tioga County
Pennsylvania · FIPS 42117
40,502 residents · 2025 estimate
- Union County
Pennsylvania · FIPS 42119
42,313 residents · 2025 estimate
- Venango County
Pennsylvania · FIPS 42121
49,346 residents · 2025 estimate
- Warren County
Pennsylvania · FIPS 42123
37,038 residents · 2025 estimate
- Washington County
Pennsylvania · FIPS 42125
210,802 residents · 2025 estimate
- Wayne County
Pennsylvania · FIPS 42127
51,703 residents · 2025 estimate
- Westmoreland County
Pennsylvania · FIPS 42129
349,324 residents · 2025 estimate
- Wyoming County
Pennsylvania · FIPS 42131
25,790 residents · 2025 estimate
- York County
Pennsylvania · FIPS 42133
473,197 residents · 2025 estimate
Use the county data
Use a county reference when organizing a market-research brief, outreach territory or business calculation. County population gives geographic context; it does not measure the number of qualified customers.
These are geographic reference records, not contact lists or verified sales leads.
Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.