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RANKING · 2024 ACS · 67 SHOWN OF 67

Most foreign-born residents, Pennsylvania counties

Pennsylvania counties ranked by the share of residents born outside the US (2024 ACS). This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 67 is 2.0%. Biggest climber in the top 100 since 2020: Perry County, PA, up 15 places to #40.

Most foreign-born residents by state
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RANKPLACESTATEPOPFOREIGN-BORNVS 2010
01Philadelphia County, PAPA1,574,28115.2%+3.7 pts
02Lehigh County, PAPA384,38314.4%+5.4 pts
03Montgomery County, PAPA877,64311.5%+2.2 pts
04▲1Monroe County, PAPA167,17911.2%+1.9 pts
05▼1Delaware County, PAPA580,93711.2%+2.7 pts
06Bucks County, PAPA647,82810.4%+2.3 pts
07Chester County, PAPA557,11610.1%+1.8 pts
08▲2Dauphin County, PAPA293,3519.8%+4.2 pts
09▲2Berks County, PAPA440,0729.7%+3.3 pts
10▲3Luzerne County, PAPA332,1269.6%+5.5 pts
11▼2Northampton County, PAPA324,4118.6%+2.2 pts
12Pike County, PAPA62,8088.2%+1.9 pts
13▼5Centre County, PAPA157,3938.0%+1.4 pts
14Cumberland County, PAPA277,2707.5%+2.7 pts
15▲1Lackawanna County, PAPA216,5026.7%+2.7 pts
16▼1Allegheny County, PAPA1,225,0356.6%+1.9 pts
17Lancaster County, PAPA563,1595.8%+1.5 pts
18▲5Montour County, PAPA17,8685.6%+1.4 pts
19▼1Erie County, PAPA265,8324.9%+1.0 pts
20Lebanon County, PAPA146,3804.3%+1.3 pts
21▲3Wayne County, PAPA51,7034.3%+0.9 pts
22▼3York County, PAPA473,1974.1%+0.6 pts
23▲2Union County, PAPA42,3133.9%−0.7 pts
24▲2Carbon County, PAPA65,8683.7%+1.1 pts
25▼3Franklin County, PAPA160,6523.7%+0.3 pts
26▼5Adams County, PAPA107,5943.7%−0.3 pts
27▲4Columbia County, PAPA66,1932.8%+0.9 pts
28▲5Schuylkill County, PAPA145,0852.7%+0.9 pts
29▲1Juniata County, PAPA23,4032.5%+0.9 pts
30▲5Washington County, PAPA210,8022.4%+1.0 pts
31▲7Indiana County, PAPA82,8782.4%+1.0 pts
32▼4Butler County, PAPA200,1692.4%+0.7 pts
33▲1Susquehanna County, PAPA38,2372.0%+0.4 pts
34▼7Clearfield County, PAPA78,1002.0%+1.1 pts
35▲7Forest County, PAPA6,6141.9%+1.0 pts
36▲3Westmoreland County, PAPA349,3241.9%+0.3 pts
37▼5Beaver County, PAPA166,0321.9%0.0 pts
38▼9Sullivan County, PAPA5,8561.8%+0.9 pts
39▲5Mercer County, PAPA107,8601.8%+0.2 pts
40▲15Perry County, PAPA46,8061.7%+0.7 pts
41▼5Bradford County, PAPA59,6001.7%+0.4 pts
42▲10Snyder County, PAPA39,6551.7%+0.2 pts
43▲7Wyoming County, PAPA25,7901.7%+0.3 pts
44▼7Lycoming County, PAPA112,5871.6%+0.2 pts
45▲2Northumberland County, PAPA89,9201.6%+0.4 pts
46▲2Blair County, PAPA119,5411.5%+0.5 pts
47▼1McKean County, PAPA38,9841.5%+0.5 pts
48▲3Clinton County, PAPA37,8701.4%0.0 pts
49▲9Potter County, PAPA15,8971.4%+0.5 pts
50▲7Somerset County, PAPA72,0041.4%+0.6 pts
51▼2Tioga County, PAPA40,5021.4%0.0 pts
52▼9Lawrence County, PAPA83,9111.3%−0.2 pts
53▼13Fayette County, PAPA123,0211.3%+0.3 pts
54▲7Bedford County, PAPA47,4801.2%+0.6 pts
55▲1Mifflin County, PAPA46,1271.2%+0.7 pts
56▼3Crawford County, PAPA81,7921.2%0.0 pts
57▼12Warren County, PAPA37,0381.2%−0.1 pts
58▼4Cambria County, PAPA128,9681.1%−0.3 pts
59▲3Elk County, PAPA29,9261.1%0.0 pts
60▼1Clarion County, PAPA36,6801.0%+0.1 pts
61▼20Huntingdon County, PAPA43,0010.9%−0.2 pts
62▲5Cameron County, PAPA4,2110.9%0.0 pts
63▲1Venango County, PAPA49,3460.8%+0.1 pts
64▲1Armstrong County, PAPA63,6980.7%−0.1 pts
65▼2Greene County, PAPA33,8850.7%−0.1 pts
66▼6Fulton County, PAPA14,4830.5%−0.3 pts
67▼1Jefferson County, PAPA43,2550.4%0.0 pts
SHOWING 1–67 OF 67

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES