RANKING · 2010 CENSUS · 48 SHOWN OF 48

Highest Slovak population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Slovak ancestry (2023 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. This list covers the 48 counties in Iowa that qualify, ranked against each other statewide.

IowaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSLOVAK SHAREVS 2000

01Monroe County, IAIA7,4060.7%–

02Jefferson County, IAIA15,2910.4%–

03Appanoose County, IAIA12,0770.3%–

04Emmet County, IAIA9,1070.2%–

05Sioux County, IAIA36,7740.2%–

06Washington County, IAIA22,6670.2%–

07Audubon County, IAIA5,5090.2%–

08Johnson County, IAIA160,0440.2%–

09Shelby County, IAIA11,6890.2%–

10Davis County, IAIA9,2300.1%–

11Black Hawk County, IAIA131,5320.1%–

12Benton County, IAIA26,0040.1%–

13Polk County, IAIA516,5460.1%–

14Des Moines County, IAIA38,0770.1%–

15Howard County, IAIA9,4150.1%–

16Cerro Gordo County, IAIA42,3720.1%–

17Delaware County, IAIA17,6740.1%–

18Scott County, IAIA175,2590.1%–

19Henry County, IAIA19,3490.1%–

20Harrison County, IAIA14,6230.1%–

21Marion County, IAIA34,1920.1%–

22Jackson County, IAIA19,2880.1%–

23Warren County, IAIA57,3310.1%–

24Humboldt County, IAIA9,4090.1%–

25Linn County, IAIA232,0280.1%–

26Poweshiek County, IAIA18,3680.1%–

27Cass County, IAIA12,9600.1%–

28Lucas County, IAIA8,8470.1%–

29Buchanan County, IAIA20,8830.1%–

30Crawford County, IAIA16,2370.0%–

31Woodbury County, IAIA106,6490.0%–

32Union County, IAIA11,8290.0%–

33Fremont County, IAIA6,5220.0%–

34Worth County, IAIA7,3380.0%–

35Dallas County, IAIA118,4570.0%–

36Hancock County, IAIA10,5280.0%–

37Wapello County, IAIA35,2100.0%–

38Story County, IAIA101,2910.0%–

39Dickinson County, IAIA18,0770.0%–

40Marshall County, IAIA39,8900.0%–

41Pocahontas County, IAIA6,8190.0%–

42Van Buren County, IAIA7,1310.0%–

43Webster County, IAIA36,8380.0%–

44Dubuque County, IAIA99,3810.0%–

45Muscatine County, IAIA41,8530.0%–

46Pottawattamie County, IAIA92,9960.0%–

47Carroll County, IAIA20,3030.0%–

48Clinton County, IAIA46,0020.0%–

SHOWING 1–48 OF 48

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