RANKING · 2020 CENSUS · 36 SHOWN OF 36

Largest Bulgarian population, Pennsylvania counties · 2020

Pennsylvania counties ranked by the number of residents who are Bulgarian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 36 counties in Pennsylvania that qualify, ranked against each other statewide.

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YEAR2010 2020 2024

Largest Bulgarian population by state

RANKPLACESTATEPOPBULGARIAN POPULATIONVS 2010

01Allegheny County, PAPA1,225,035626+35%

02Northampton County, PAPA324,411477+363%

03Delaware County, PAPA580,937269+41%

04Montgomery County, PAPA877,643267+104%

05Philadelphia County, PAPA1,574,281201+34%

06Butler County, PAPA200,169138+820%

07Dauphin County, PAPA293,351130+202%

08Monroe County, PAPA167,179128−55%

09York County, PAPA473,197126+107%

10Chester County, PAPA557,116122+53%

11Centre County, PAPA157,39395+179%

12Erie County, PAPA265,83293+232%

13Lackawanna County, PAPA216,50288−1%

14Mercer County, PAPA107,86081–

15Bucks County, PAPA647,82870−13%

16Cumberland County, PAPA277,27061−21%

17Westmoreland County, PAPA349,32453–

18Lancaster County, PAPA563,15950+56%

19Washington County, PAPA210,80244−48%

20Pike County, PAPA62,80835+250%

21Lebanon County, PAPA146,38032−16%

22Columbia County, PAPA66,19331–

23Lycoming County, PAPA112,58726+189%

24Franklin County, PAPA160,65223+475%

25Luzerne County, PAPA332,12623−41%

26Blair County, PAPA119,54121–

27Berks County, PAPA440,07212−54%

28Northumberland County, PAPA89,92011+38%

29Bedford County, PAPA47,4809−36%

30Lehigh County, PAPA384,3839−93%

31Armstrong County, PAPA63,6987–

32Schuylkill County, PAPA145,0856+0%

33Fayette County, PAPA123,0214–

34Warren County, PAPA37,0384–

35Lawrence County, PAPA83,9112−67%

36Sullivan County, PAPA5,8562–

SHOWING 1–36 OF 36

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS