Please note that new Connecticut county and township level geographies are not available within the map.

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QuickFacts

Lehigh County, Pennsylvania; Lebanon County, Pennsylvania; Montour County, Pennsylvania

QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more.

Chart

Population estimates, July 1, 2023, (V2023)

0
160,000
320,000
480,000
640,000
800,000
960,000
1,120,000
1,280,000
1,440,000
1,600,000
Philadelphia County, Pennsylvania
1,550,542
Allegheny County, Pennsylvania
1,224,825
Montgomery County, Pennsylvania
868,742
Bucks County, Pennsylvania
645,984
Delaware County, Pennsylvania
576,720
Lancaster County, Pennsylvania
558,589
Chester County, Pennsylvania
549,784
York County, Pennsylvania
464,640
Berks County, Pennsylvania
432,821
Lehigh County, Pennsylvania
377,754
Westmoreland County, Pennsylvania
351,163
Luzerne County, Pennsylvania
327,388
Northampton County, Pennsylvania
319,091
Dauphin County, Pennsylvania
289,234
Cumberland County, Pennsylvania
270,738
Erie County, Pennsylvania
267,571
Lackawanna County, Pennsylvania
216,123
Washington County, Pennsylvania
210,232
Butler County, Pennsylvania
198,413
Monroe County, Pennsylvania
166,053
Beaver County, Pennsylvania
165,631
Franklin County, Pennsylvania
157,854
Centre County, Pennsylvania
157,795
Lebanon County, Pennsylvania
144,252
Schuylkill County, Pennsylvania
143,786
Cambria County, Pennsylvania
130,668
Fayette County, Pennsylvania
123,915
Blair County, Pennsylvania
120,273
Lycoming County, Pennsylvania
112,724
Mercer County, Pennsylvania
108,503
Adams County, Pennsylvania
106,748
Northumberland County, Pennsylvania
90,120
Lawrence County, Pennsylvania
84,472
Indiana County, Pennsylvania
83,094
Crawford County, Pennsylvania
82,001
Clearfield County, Pennsylvania
77,090
Somerset County, Pennsylvania
72,197
Carbon County, Pennsylvania
65,458
Columbia County, Pennsylvania
65,439
Armstrong County, Pennsylvania
64,074
Pike County, Pennsylvania
61,247
Bradford County, Pennsylvania
59,695
Wayne County, Pennsylvania
51,262
Venango County, Pennsylvania
49,431
Bedford County, Pennsylvania
47,350
Perry County, Pennsylvania
46,083
Mifflin County, Pennsylvania
45,922
Jefferson County, Pennsylvania
43,612
Huntingdon County, Pennsylvania
43,514
Union County, Pennsylvania
42,042
Tioga County, Pennsylvania
40,840
Snyder County, Pennsylvania
39,717
McKean County, Pennsylvania
39,519
Susquehanna County, Pennsylvania
38,109
Clinton County, Pennsylvania
37,607
Warren County, Pennsylvania
37,572
Clarion County, Pennsylvania
36,970
Greene County, Pennsylvania
34,357
Elk County, Pennsylvania
30,198
Wyoming County, Pennsylvania
25,902
Juniata County, Pennsylvania
23,243
Montour County, Pennsylvania
17,860
Potter County, Pennsylvania
15,999
Fulton County, Pennsylvania
14,468
Forest County, Pennsylvania
6,449
Sullivan County, Pennsylvania
5,834
Cameron County, Pennsylvania
4,380
0
160,000
320,000
480,000
640,000
800,000
960,000
1,120,000
1,280,000
1,440,000
1,600,000
Value Notes

Methodology differences may exist between data sources, and so estimates from different sources are not comparable.

Some estimates presented here come from sample data, and thus have sampling errors that may render some apparent differences between geographies statistically indistinguishable. Click the Quick Info icon to the left of each row in TABLE view to learn about sampling error.

The vintage year (e.g., V2023) refers to the final year of the series (2020 thru 2023). Different vintage years of estimates are not comparable.

Users should exercise caution when comparing 2018-2022 ACS 5-year estimates to other ACS estimates. For more information, please visit the 2022 5-year ACS Comparison Guidance page.

Fact Notes Value Flags

QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

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