RANKING · 2024 ACS · 24 SHOWN OF 24

Highest Bulgarian population share, Iowa counties

Iowa counties ranked by the share of all residents who are Bulgarian ancestry (2023 American Community Survey). A concentration measure: Bulgarian residents as a percentage of total population. This list covers the 24 counties in Iowa that qualify, ranked against each other statewide.

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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 2000

01Mitchell County, IAIA10,6500.4%–

02Winneshiek County, IAIA19,7330.3%–

03Mahaska County, IAIA21,8800.2%–

04Lyon County, IAIA12,3540.1%–

05Boone County, IAIA26,7990.1%–

06Pottawattamie County, IAIA92,9960.1%–

07Clinton County, IAIA46,0020.0%–

08Woodbury County, IAIA106,6490.0%–

09Black Hawk County, IAIA131,5320.0%–

10Grundy County, IAIA12,3610.0%–

11Story County, IAIA101,2910.0%–

12Clayton County, IAIA16,8450.0%–

13Jasper County, IAIA38,1530.0%–

14Jackson County, IAIA19,2880.0%–

15Bremer County, IAIA25,2960.0%–

16Polk County, IAIA516,5460.0%–

17Carroll County, IAIA20,3030.0%–

18Scott County, IAIA175,2590.0%–

19Dallas County, IAIA118,4570.0%–

20Madison County, IAIA17,2700.0%–

21Linn County, IAIA232,0280.0%–

22Washington County, IAIA22,6670.0%–

23Wapello County, IAIA35,2100.0%–

24Webster County, IAIA36,8380.0%–

SHOWING 1–24 OF 24

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES