RANKING · 2020 CENSUS · 20 SHOWN OF 20

Highest Slovene population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Slovene ancestry (2023 American Community Survey). A concentration measure: Slovene residents as a percentage of total population. This list covers the 20 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 Slovene population share by state

RANKPLACESTATEPOPSLOVENE SHAREVS 2000

01Benton County, IAIA26,0040.2%–

02Dallas County, IAIA118,4570.2%–

03Buchanan County, IAIA20,8830.1%–

04Johnson County, IAIA160,0440.1%–

05Kossuth County, IAIA14,3220.1%–

06Mills County, IAIA14,7930.1%–

07Webster County, IAIA36,8380.1%–

08Clayton County, IAIA16,8450.1%–

09Butler County, IAIA14,0490.0%–

10Linn County, IAIA232,0280.0%–

11Polk County, IAIA516,5460.0%–

12Allamakee County, IAIA14,2380.0%–

13Des Moines County, IAIA38,0770.0%–

14Scott County, IAIA175,2590.0%–

15Pottawattamie County, IAIA92,9960.0%–

16Dubuque County, IAIA99,3810.0%–

17Black Hawk County, IAIA131,5320.0%–

18Jasper County, IAIA38,1530.0%–

19Dickinson County, IAIA18,0770.0%–

20Marshall County, IAIA39,8900.0%–

SHOWING 1–20 OF 20

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