RANKING · 2024 ACS · 42 SHOWN OF 42

Highest Bulgarian population share, Pennsylvania counties

Pennsylvania counties ranked by the share of all residents who are Bulgarian ancestry (2024 American Community Survey). A concentration measure: Bulgarian residents as a percentage of total population. This list covers the 42 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 42 is 0.0%. Biggest climber in the top 100 since 2020: Northumberland County, PA, up 25 places to #1.

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Bulgarian population share by state

RANKPLACESTATEPOPBULGARIAN SHAREVS 2010

01▲25Northumberland County, PAPA89,9200.3%+0.3 pts

02Montour County, PAPA17,8680.2%−0.4 pts

03Potter County, PAPA15,8970.1%–

04▼2Monroe County, PAPA167,1790.1%−0.1 pts

05Pike County, PAPA62,8080.1%+0.1 pts

06▼5Northampton County, PAPA324,4110.1%0.0 pts

07▼1Centre County, PAPA157,3930.1%0.0 pts

08▲10Lycoming County, PAPA112,5870.0%0.0 pts

09▼6Butler County, PAPA200,1690.0%0.0 pts

10▲4Montgomery County, PAPA877,6430.0%0.0 pts

11▼7Mercer County, PAPA107,8600.0%–

12▲22Berks County, PAPA440,0720.0%0.0 pts

13▼6Allegheny County, PAPA1,225,0350.0%0.0 pts

14▲13Bucks County, PAPA647,8280.0%0.0 pts

15▼4Lackawanna County, PAPA216,5020.0%0.0 pts

16▲17Fayette County, PAPA123,0210.0%–

17Wayne County, PAPA51,7030.0%0.0 pts

18▲2Washington County, PAPA210,8020.0%0.0 pts

19▼2Chester County, PAPA557,1160.0%0.0 pts

20▼1Lebanon County, PAPA146,3800.0%0.0 pts

21▼12Columbia County, PAPA66,1930.0%–

22Blair County, PAPA119,5410.0%–

23▼13Dauphin County, PAPA293,3510.0%0.0 pts

24Juniata County, PAPA23,4030.0%–

25▼9Cumberland County, PAPA277,2700.0%0.0 pts

26▼18Delaware County, PAPA580,9370.0%0.0 pts

27▼4Westmoreland County, PAPA349,3240.0%–

28▼3Philadelphia County, PAPA1,574,2810.0%0.0 pts

29▼14York County, PAPA473,1970.0%0.0 pts

30▼6Franklin County, PAPA160,6520.0%0.0 pts

31▼3Armstrong County, PAPA63,6980.0%–

32▼2Lancaster County, PAPA563,1590.0%0.0 pts

33Clinton County, PAPA37,8700.0%–

34Clearfield County, PAPA78,1000.0%–

35Jefferson County, PAPA43,2550.0%–

36Elk County, PAPA29,9260.0%–

37▼2Lehigh County, PAPA384,3830.0%0.0 pts

38Susquehanna County, PAPA38,2370.0%–

39Crawford County, PAPA81,7920.0%0.0 pts

40▼4Lawrence County, PAPA83,9110.0%0.0 pts

41Cambria County, PAPA128,9680.0%0.0 pts

42▼11Luzerne County, PAPA332,1260.0%0.0 pts

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