RANKING · 2010 CENSUS · 23 SHOWN OF 23

Highest Bulgarian population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Bulgarian ancestry (2010 American Community Survey). A concentration measure: Bulgarian residents as a percentage of total population. This list covers the 23 counties in Iowa that qualify, ranked against each other statewide. The median across all 23 is 0.0%.

Bulgarian Americans: full group profile →

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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 –

01Muscatine County, IAIA41,8530.2%–

02Taylor County, IAIA5,8350.1%–

03Franklin County, IAIA9,8680.1%–

04Carroll County, IAIA20,3030.1%–

05Dubuque County, IAIA99,3810.1%–

06Bremer County, IAIA25,2960.1%–

07Black Hawk County, IAIA131,5320.0%–

08Hardin County, IAIA16,4550.0%–

09Sioux County, IAIA36,7740.0%–

10Johnson County, IAIA160,0440.0%–

11Polk County, IAIA516,5460.0%–

12Grundy County, IAIA12,3610.0%–

13Des Moines County, IAIA38,0770.0%–

14Clayton County, IAIA16,8450.0%–

15Clinton County, IAIA46,0020.0%–

16Jackson County, IAIA19,2880.0%–

17Linn County, IAIA232,0280.0%–

18Webster County, IAIA36,8380.0%–

19Cerro Gordo County, IAIA42,3720.0%–

20Winneshiek County, IAIA19,7330.0%–

21Hamilton County, IAIA14,9440.0%–

22Scott County, IAIA175,2590.0%–

23Washington County, IAIA22,6670.0%–

SHOWING 1–23 OF 23

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS