RANKING · 2024 ACS · 46 SHOWN OF 46

Highest Slovak population share, Iowa counties

Iowa counties ranked by the share of all residents who are Slovak ancestry (2024 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. This list covers the 46 counties in Iowa that qualify, ranked against each other statewide. The median across all 46 is 0.0%. Biggest climber in the top 100 since 2020: Cerro Gordo County, IA, up 23 places to #7.

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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 2010

01▲21Jefferson County, IAIA15,2910.2%−0.2 pts

02Wapello County, IAIA35,2100.2%+0.1 pts

03▲2Monroe County, IAIA7,4060.1%−0.6 pts

04▼3Emmet County, IAIA9,1070.1%−0.1 pts

05Benton County, IAIA26,0040.1%0.0 pts

06▲6Johnson County, IAIA160,0440.1%0.0 pts

07▲23Cerro Gordo County, IAIA42,3720.1%0.0 pts

08▲23Black Hawk County, IAIA131,5320.1%0.0 pts

09▲5Linn County, IAIA232,0280.1%0.0 pts

10Cass County, IAIA12,9600.1%0.0 pts

11▼2Dallas County, IAIA118,4570.1%+0.1 pts

12Allamakee County, IAIA14,2380.1%–

13Fremont County, IAIA6,5220.1%+0.1 pts

14Lucas County, IAIA8,8470.1%0.0 pts

15▼8Mahaska County, IAIA21,8800.1%–

16Sac County, IAIA9,5250.1%–

17▼11Poweshiek County, IAIA18,3680.1%0.0 pts

18▲11Dubuque County, IAIA99,3810.1%0.0 pts

19▼11Boone County, IAIA26,7990.1%–

20Appanoose County, IAIA12,0770.0%−0.2 pts

21▼11Scott County, IAIA175,2590.0%0.0 pts

22▲3Muscatine County, IAIA41,8530.0%0.0 pts

23Plymouth County, IAIA25,6970.0%–

24▼3Polk County, IAIA516,5460.0%−0.1 pts

25Winneshiek County, IAIA19,7330.0%–

26▼24Des Moines County, IAIA38,0770.0%−0.1 pts

27▼7Bremer County, IAIA25,2960.0%–

28▼17Marshall County, IAIA39,8900.0%0.0 pts

29Warren County, IAIA57,3310.0%0.0 pts

30Pottawattamie County, IAIA92,9960.0%0.0 pts

31▲6Crawford County, IAIA16,2370.0%0.0 pts

32▲1Iowa County, IAIA16,5040.0%–

33▼15Adams County, IAIA3,6170.0%–

34▼18Story County, IAIA101,2910.0%0.0 pts

35Keokuk County, IAIA9,7970.0%–

36▲5Woodbury County, IAIA106,6490.0%0.0 pts

37Buena Vista County, IAIA20,4490.0%–

38Hardin County, IAIA16,4550.0%–

39Tama County, IAIA16,7960.0%–

40▼1Clinton County, IAIA46,0020.0%0.0 pts

41Hancock County, IAIA10,5280.0%0.0 pts

42▼18Marion County, IAIA34,1920.0%−0.1 pts

43Kossuth County, IAIA14,3220.0%–

44▼2Hamilton County, IAIA14,9440.0%–

45▼18Dickinson County, IAIA18,0770.0%0.0 pts

46▼20Webster County, IAIA36,8380.0%0.0 pts

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