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 (2023 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.

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

01Jefferson County, IAIA15,2910.2%–

02Wapello County, IAIA35,2100.2%–

03Monroe County, IAIA7,4060.1%–

04Emmet County, IAIA9,1070.1%–

05Benton County, IAIA26,0040.1%–

06Johnson County, IAIA160,0440.1%–

07Cerro Gordo County, IAIA42,3720.1%–

08Black Hawk County, IAIA131,5320.1%–

09Linn County, IAIA232,0280.1%–

10Cass County, IAIA12,9600.1%–

11Dallas County, IAIA118,4570.1%–

12Allamakee County, IAIA14,2380.1%–

13Fremont County, IAIA6,5220.1%–

14Lucas County, IAIA8,8470.1%–

15Mahaska County, IAIA21,8800.1%–

16Sac County, IAIA9,5250.1%–

17Poweshiek County, IAIA18,3680.1%–

18Dubuque County, IAIA99,3810.1%–

19Boone County, IAIA26,7990.1%–

20Appanoose County, IAIA12,0770.0%–

21Scott County, IAIA175,2590.0%–

22Muscatine County, IAIA41,8530.0%–

23Plymouth County, IAIA25,6970.0%–

24Polk County, IAIA516,5460.0%–

25Winneshiek County, IAIA19,7330.0%–

26Des Moines County, IAIA38,0770.0%–

27Bremer County, IAIA25,2960.0%–

28Marshall County, IAIA39,8900.0%–

29Warren County, IAIA57,3310.0%–

30Pottawattamie County, IAIA92,9960.0%–

31Crawford County, IAIA16,2370.0%–

32Iowa County, IAIA16,5040.0%–

33Adams County, IAIA3,6170.0%–

34Story County, IAIA101,2910.0%–

35Keokuk County, IAIA9,7970.0%–

36Woodbury County, IAIA106,6490.0%–

37Buena Vista County, IAIA20,4490.0%–

38Hardin County, IAIA16,4550.0%–

39Tama County, IAIA16,7960.0%–

40Clinton County, IAIA46,0020.0%–

41Hancock County, IAIA10,5280.0%–

42Marion County, IAIA34,1920.0%–

43Kossuth County, IAIA14,3220.0%–

44Hamilton County, IAIA14,9440.0%–

45Dickinson County, IAIA18,0770.0%–

46Webster County, IAIA36,8380.0%–

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