RANKING · 2024 ACS · 56 SHOWN OF 56

Highest Canadian population share, Iowa counties

Iowa counties ranked by the share of all residents who are Canadian ancestry (2023 American Community Survey). A concentration measure: Canadian residents as a percentage of total population. This list covers the 56 counties in Iowa that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPCANADIAN SHAREVS 2000

01Monroe County, IAIA7,4060.4%–

02Poweshiek County, IAIA18,3680.3%–

03Grundy County, IAIA12,3610.3%–

04Hardin County, IAIA16,4550.3%–

05Dickinson County, IAIA18,0770.3%–

06Carroll County, IAIA20,3030.3%–

07Story County, IAIA101,2910.2%–

08Taylor County, IAIA5,8350.2%–

09Winnebago County, IAIA10,2510.2%–

10Des Moines County, IAIA38,0770.2%–

11Decatur County, IAIA7,6550.2%–

12Iowa County, IAIA16,5040.2%–

13Sioux County, IAIA36,7740.1%–

14Warren County, IAIA57,3310.1%–

15Clayton County, IAIA16,8450.1%–

16Louisa County, IAIA10,4160.1%–

17Ida County, IAIA6,7770.1%–

18Howard County, IAIA9,4150.1%–

19Fremont County, IAIA6,5220.1%–

20Jasper County, IAIA38,1530.1%–

21Palo Alto County, IAIA8,8990.1%–

22Lee County, IAIA32,3060.1%–

23Butler County, IAIA14,0490.1%–

24Clinton County, IAIA46,0020.1%–

25Ringgold County, IAIA4,6420.1%–

26Woodbury County, IAIA106,6490.1%–

27Boone County, IAIA26,7990.1%–

28Linn County, IAIA232,0280.1%–

29Mills County, IAIA14,7930.1%–

30Polk County, IAIA516,5460.1%–

31Buchanan County, IAIA20,8830.1%–

32Scott County, IAIA175,2590.1%–

33Marshall County, IAIA39,8900.1%–

34Chickasaw County, IAIA11,6630.1%–

35Worth County, IAIA7,3380.1%–

36Webster County, IAIA36,8380.1%–

37Union County, IAIA11,8290.1%–

38Monona County, IAIA8,5390.0%–

39Johnson County, IAIA160,0440.0%–

40Jackson County, IAIA19,2880.0%–

41Washington County, IAIA22,6670.0%–

42Black Hawk County, IAIA131,5320.0%–

43Cherokee County, IAIA11,3690.0%–

44Pottawattamie County, IAIA92,9960.0%–

45Marion County, IAIA34,1920.0%–

46Dubuque County, IAIA99,3810.0%–

47Franklin County, IAIA9,8680.0%–

48Mitchell County, IAIA10,6500.0%–

49Cerro Gordo County, IAIA42,3720.0%–

50Lyon County, IAIA12,3540.0%–

51Dallas County, IAIA118,4570.0%–

52Wapello County, IAIA35,2100.0%–

53Bremer County, IAIA25,2960.0%–

54Harrison County, IAIA14,6230.0%–

55Cedar County, IAIA18,3590.0%–

56Mahaska County, IAIA21,8800.0%–

SHOWING 1–56 OF 56

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