RANKING · 2024 ACS · 46 SHOWN OF 46

Largest Slovak population, Iowa counties

Iowa counties ranked by the number of residents who are Slovak ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 46 counties in Iowa that qualify, ranked against each other statewide.

Slovak Americans: full group profile →

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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 POPULATIONVS 2010

01Linn County, IAIA232,028250+103%

02Polk County, IAIA516,546228−50%

03Johnson County, IAIA160,044218+8%

04Black Hawk County, IAIA131,532151−8%

05Dallas County, IAIA118,457106+361%

06Scott County, IAIA175,25985−36%

07Dubuque County, IAIA99,38161+177%

08Wapello County, IAIA35,21055+400%

09Cerro Gordo County, IAIA42,37254+42%

10Benton County, IAIA26,00436+20%

11Pottawattamie County, IAIA92,99629+164%

12Jefferson County, IAIA15,29129−52%

13Story County, IAIA101,29126−4%

14Mahaska County, IAIA21,88020–

15Muscatine County, IAIA41,85320+122%

16Des Moines County, IAIA38,07717−57%

17Warren County, IAIA57,33117−41%

18Woodbury County, IAIA106,64917−61%

19Boone County, IAIA26,79916–

20Cass County, IAIA12,96014+75%

21Marshall County, IAIA39,89014+17%

22Poweshiek County, IAIA18,36813+18%

23Allamakee County, IAIA14,23813–

24Emmet County, IAIA9,10713−46%

25Plymouth County, IAIA25,69712–

26Bremer County, IAIA25,29611–

27Monroe County, IAIA7,40611−81%

28Winneshiek County, IAIA19,7339–

29Lucas County, IAIA8,8478+60%

30Sac County, IAIA9,5258–

31Appanoose County, IAIA12,0776−83%

32Fremont County, IAIA6,5226+100%

33Clinton County, IAIA46,0025+150%

34Crawford County, IAIA16,2375−38%

35Iowa County, IAIA16,5045–

36Buena Vista County, IAIA20,4493–

37Marion County, IAIA34,1923−86%

38Hardin County, IAIA16,4552–

39Keokuk County, IAIA9,7972–

40Tama County, IAIA16,7962–

41Webster County, IAIA36,8382−80%

42Adams County, IAIA3,6171–

43Dickinson County, IAIA18,0771−80%

44Hamilton County, IAIA14,9441–

45Hancock County, IAIA10,5281−75%

46Kossuth County, IAIA14,3221–

SHOWING 1–46 OF 46

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