RANKING · 2010 CENSUS · 48 SHOWN OF 48

Largest Slovak population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Slovak ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. 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 POPULATIONVS 2000

01Polk County, IAIA516,546455–

02Johnson County, IAIA160,044202–

03Black Hawk County, IAIA131,532165–

04Scott County, IAIA175,259132–

05Linn County, IAIA232,028123–

06Sioux County, IAIA36,77477–

07Jefferson County, IAIA15,29161–

08Monroe County, IAIA7,40657–

09Woodbury County, IAIA106,64944–

10Des Moines County, IAIA38,07740–

11Cerro Gordo County, IAIA42,37238–

12Appanoose County, IAIA12,07736–

13Washington County, IAIA22,66735–

14Benton County, IAIA26,00430–

15Warren County, IAIA57,33129–

16Story County, IAIA101,29127–

17Emmet County, IAIA9,10724–

18Dallas County, IAIA118,45723–

19Dubuque County, IAIA99,38122–

20Marion County, IAIA34,19222–

21Shelby County, IAIA11,68919–

22Henry County, IAIA19,34916–

23Delaware County, IAIA17,67415–

24Davis County, IAIA9,23013–

25Jackson County, IAIA19,28813–

26Marshall County, IAIA39,89012–

27Buchanan County, IAIA20,88311–

28Harrison County, IAIA14,62311–

29Pottawattamie County, IAIA92,99611–

30Poweshiek County, IAIA18,36811–

31Wapello County, IAIA35,21011–

32Audubon County, IAIA5,50910–

33Webster County, IAIA36,83810–

34Howard County, IAIA9,4159–

35Muscatine County, IAIA41,8539–

36Cass County, IAIA12,9608–

37Crawford County, IAIA16,2378–

38Humboldt County, IAIA9,4096–

39Dickinson County, IAIA18,0775–

40Lucas County, IAIA8,8475–

41Union County, IAIA11,8295–

42Hancock County, IAIA10,5284–

43Fremont County, IAIA6,5223–

44Worth County, IAIA7,3383–

45Carroll County, IAIA20,3032–

46Clinton County, IAIA46,0022–

47Pocahontas County, IAIA6,8192–

48Van Buren County, IAIA7,1312–

SHOWING 1–48 OF 48

Download CSV (full list, 48 rows)

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