Ranking of Pennsylvania Counties By Population with Bulgarian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 3.38K people in Pennsylvania with Bulgarian ancestry. Among all Pennsylvania counties, Allegheny County had the highest population with Bulgarian ancestry (529), followed by Delaware County (320), and Northampton County (302).

The chart and table below shows the top 10 counties with high number of people with Bulgarian ancestry.

You can see similar information for other states and for other ancestry groups in Pennsylvania.

You may also be interested in:
Ranking of Pennsylvania Counties By Percentage of Population with Bulgarian Ancestry in 2021

Related Topics: Pennsylvania ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census Bureau.

Ranking of Pennsylvania Counties By Population with Bulgarian Ancestry in 2021

Allegheny County

Delaware County

Northampton County

Montgomery County

Philadelphia County

Bucks County

Chester County

York County

Butler County

Centre County

Ranking of Pennsylvania Counties By Population with Bulgarian Ancestry in 2021

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Rank	County	Population
1	Allegheny County	529
2	Delaware County	320
3	Northampton County	302
4	Montgomery County	268
5	Philadelphia County	237
6	Bucks County	201
7	Chester County	183
8	York County	154
9	Butler County	150
10	Centre County	107
11	Monroe County	102
12	Mercer County	90
13	Lackawanna County	78
14	Westmoreland County	69
15	Cumberland County	67
16	Lancaster County	65
17	Dauphin County	64
18	Erie County	59
19	Columbia County	34
20	Luzerne County	30
20	Lycoming County	30
21	Montour County	29
21	Pike County	29
21	Washington County	29
22	Lebanon County	27
23	Franklin County	21
24	Berks County	16
24	Lehigh County	16
25	Blair County	15
26	Bedford County	9
27	Northumberland County	8
27	Schuylkill County	8
28	Armstrong County	7
28	Clearfield County	7
29	Warren County	5
30	Juniata County	4
31	Fayette County	3
32	Lawrence County	2
33	Sullivan County	1