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 (2024 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. The median across all 24 is 0.0%. Biggest climber in the top 100 since 2020: Grundy County, IA, up 9 places to #10.

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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

01Mitchell County, IAIA10,6500.4%–

02▲4Winneshiek County, IAIA19,7330.3%+0.3 pts

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%0.0 pts

08Woodbury County, IAIA106,6490.0%–

09▲2Black Hawk County, IAIA131,5320.0%0.0 pts

10▲9Grundy County, IAIA12,3610.0%0.0 pts

11▲4Story County, IAIA101,2910.0%–

12▲5Clayton County, IAIA16,8450.0%0.0 pts

13Jasper County, IAIA38,1530.0%–

14Jackson County, IAIA19,2880.0%0.0 pts

15Bremer County, IAIA25,2960.0%0.0 pts

16▼3Polk County, IAIA516,5460.0%0.0 pts

17Carroll County, IAIA20,3030.0%−0.1 pts

18▲7Scott County, IAIA175,2590.0%0.0 pts

19▲5Dallas County, IAIA118,4570.0%–

20▲7Madison County, IAIA17,2700.0%–

21Linn County, IAIA232,0280.0%0.0 pts

22Washington County, IAIA22,6670.0%0.0 pts

23Wapello County, IAIA35,2100.0%–

24▼2Webster County, IAIA36,8380.0%0.0 pts

SHOWING 1–24 OF 24

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