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What are the fastest-growing counties in Pennsylvania?

Pike County (+7.2%), Cumberland County (+6.5%) and Chester County (+4.2%) grew fastest in Pennsylvania between 2020 and 2025.

Pennsylvania as a whole grew 0.5% between 2020 and 2025, to 13,059,432 residents.

Data as of 2025 · updated

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All 67 Pennsylvania counties ranked

Pennsylvania counties by population growth
RankCountyResidents 2025Change 2020–25Net migration per 1,000, 2025New homes per 1,000, 2025
1Pike County62,808+7.2%11.82.7
2Cumberland County277,270+6.5%7.72.7
3Chester County557,116+4.2%0.32.5
4Northampton County324,411+3.7%3.43.2
5Adams County107,594+3.6%5.54.4
6York County473,197+3.6%5.33.4
7Butler County200,169+3.2%6.06.2
8Franklin County160,652+3.0%6.16.4
9Berks County440,072+2.7%−0.21.3
10Lehigh County384,383+2.7%−1.81.0
11Montgomery County877,643+2.4%−0.12.5
12Columbia County66,193+2.3%5.21.7
13Dauphin County293,351+2.3%−3.81.1
14Lebanon County146,380+2.2%5.93.7
15Luzerne County332,126+2.1%2.60.9
16Perry County46,806+2.1%5.62.7
17Lancaster County563,159+1.9%−2.32.3
18Carbon County65,868+1.7%7.13.0
19Schuylkill County145,085+1.5%8.71.5
20Clinton County37,870+1.3%3.41.0
21Wayne County51,703+1.1%11.82.9
22Delaware County580,937+0.8%−4.70.4
23Washington County210,802+0.7%4.11.7
24Sullivan County5,856+0.6%1.52.0
25Lackawanna County216,502+0.5%1.71.3
26Bucks County647,828+0.3%−1.11.2
27Mifflin County46,127−0.0%2.71.2
28Bedford County47,480−0.2%−0.51.6
29Snyder County39,655−0.2%−2.11.7
30Susquehanna County38,237−0.3%5.41.6
31Juniata County23,403−0.3%−4.41.3
32Indiana County82,878−0.3%−2.10.5
33Centre County157,393−0.4%−11.62.0
34Bradford County59,600−0.6%1.51.0
35Fulton County14,483−0.7%1.81.2
36Monroe County167,179−0.7%3.41.5
37Union County42,313−0.8%−7.51.5
38Wyoming County25,790−0.9%0.42.6
39Beaver County166,032−1.1%5.81.7
40Tioga County40,502−1.3%4.11.8
41Lycoming County112,587−1.3%−0.60.6
42Westmoreland County349,324−1.4%1.81.2
43Clarion County36,680−1.4%1.50.6
44Montour County17,868−1.4%−2.01.0
45Philadelphia County1,574,281−1.7%−6.22.1
46Northumberland County89,920−1.8%3.40.3
47Erie County265,832−1.8%−1.50.9
48Allegheny County1,225,035−2.0%−2.32.6
49Venango County49,346−2.0%1.91.0
50Huntingdon County43,001−2.4%−6.51.5
51Lawrence County83,911−2.4%3.40.8
52Crawford County81,792−2.4%0.31.2
53Mercer County107,860−2.4%0.80.8
54Blair County119,541−2.5%−0.90.7
55Somerset County72,004−2.7%2.30.8
56Armstrong County63,698−2.7%4.30.5
57Jefferson County43,255−2.8%1.80.0
58Clearfield County78,100−2.9%3.51.0
59Potter County15,897−3.0%−2.41.3
60Cambria County128,968−3.2%−1.80.5
61Elk County29,926−3.3%−0.00.8
62McKean County38,984−3.5%−2.40.8
63Warren County37,038−3.8%−1.30.9
64Fayette County123,021−4.3%1.91.6
65Forest County6,614−5.1%12.70.3
66Greene County33,885−5.5%0.31.1
67Cameron County4,211−7.0%−16.90.0

Ranked by the change in Census Bureau population estimates, 2020–2025.

Statewide totals

More county rankings for Pennsylvania

Metro areas

Fastest-growing metro areas in Pennsylvania · Fastest-growing metro areas in the U.S. · Largest metro areas in Pennsylvania

Every U.S. metro and micro area

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Questions

Is Pennsylvania growing?

Pennsylvania as a whole grew 0.5% between 2020 and 2025, to 13,059,432 residents. Statewide figures add up its counties.

What is the fastest-growing county in Pennsylvania?

Pike County, which grew 7.2% between 2020 and 2025 to 62,808 residents (Census Bureau population estimates). Cumberland County (+6.5%) and Chester County (+4.2%) came next.

Which Pennsylvania counties are losing population?

41 of the 67 ranked counties had fewer residents in 2025 than in 2020. The steepest declines: Cameron County (−7.0%), Greene County (−5.5%), Forest County (−5.1%).

Where are people moving in Pennsylvania?

For their size, Forest County (12.7 per 1,000 residents), Pike County (11.8 per 1,000 residents) and Wayne County (11.8 per 1,000 residents) drew the most net domestic migration (people moving in from other U.S. counties minus people moving out) in 2025.

Fastest-growing counties in other states

Across the U.S.

Sources and method

Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.