RANKING · 2024 ACS · 23 SHOWN OF 23

Highest Slovene population share, Iowa counties

Iowa counties ranked by the share of all residents who are Slovene ancestry (2024 American Community Survey). A concentration measure: Slovene 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%. Biggest climber in the top 100 since 2020: Dubuque County, IA, up 7 places to #9.

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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 Slovene population share by state

RANKPLACESTATEPOPSLOVENE SHAREVS 2010

01Winneshiek County, IAIA19,7330.4%–

02Washington County, IAIA22,6670.2%–

03▼2Benton County, IAIA26,0040.2%–

04Mahaska County, IAIA21,8800.1%–

05Bremer County, IAIA25,2960.1%–

06▲4Linn County, IAIA232,0280.1%0.0 pts

07Plymouth County, IAIA25,6970.1%–

08Carroll County, IAIA20,3030.0%–

09▲7Dubuque County, IAIA99,3810.0%0.0 pts

10▼3Webster County, IAIA36,8380.0%–

11Story County, IAIA101,2910.0%0.0 pts

12▲1Des Moines County, IAIA38,0770.0%–

13▼2Polk County, IAIA516,5460.0%0.0 pts

14Scott County, IAIA175,2590.0%0.0 pts

15Sioux County, IAIA36,7740.0%–

16▼12Johnson County, IAIA160,0440.0%0.0 pts

17Black Hawk County, IAIA131,5320.0%0.0 pts

18▲2Marshall County, IAIA39,8900.0%0.0 pts

19Dickinson County, IAIA18,0770.0%–

20Woodbury County, IAIA106,6490.0%0.0 pts

21▼19Dallas County, IAIA118,4570.0%0.0 pts

22▼19Buchanan County, IAIA20,8830.0%–

23Delaware County, IAIA17,6740.0%−0.1 pts

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