RANKING · 2024 ACS · 55 SHOWN OF 55

Highest Spaniard population share, Iowa counties

Iowa counties ranked by the share of all residents who are Spaniard origin (2024 American Community Survey). A concentration measure: Spaniard residents as a percentage of total population. This list covers the 55 counties in Iowa that qualify, ranked against each other statewide.

Spaniard Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSPANIARD SHAREVS 2010

01Mills County, IAIA14,7931.7%–

02Emmet County, IAIA9,1070.8%–

03Worth County, IAIA7,3380.4%–

04Palo Alto County, IAIA8,8990.4%+0.2 pts

05Howard County, IAIA9,4150.3%–

06Harrison County, IAIA14,6230.2%+0.2 pts

07Lucas County, IAIA8,8470.2%–

08Decatur County, IAIA7,6550.2%–

09Clinton County, IAIA46,0020.2%–

10Polk County, IAIA516,5460.2%+0.2 pts

11Floyd County, IAIA14,9010.2%–

12Sioux County, IAIA36,7740.2%–

13Woodbury County, IAIA106,6490.2%+0.1 pts

14Madison County, IAIA17,2700.1%−0.1 pts

15Story County, IAIA101,2910.1%+0.0 pts

16Marion County, IAIA34,1920.1%+0.1 pts

17Johnson County, IAIA160,0440.1%+0.1 pts

18Dallas County, IAIA118,4570.1%–

19Shelby County, IAIA11,6890.1%–

20Pottawattamie County, IAIA92,9960.1%+0.1 pts

21Plymouth County, IAIA25,6970.1%+0.1 pts

22Cerro Gordo County, IAIA42,3720.1%–

23Sac County, IAIA9,5250.1%–

24Monona County, IAIA8,5390.1%–

25Calhoun County, IAIA9,5620.1%–

26Webster County, IAIA36,8380.1%–

27Des Moines County, IAIA38,0770.1%–

28Union County, IAIA11,8290.1%–

29Dickinson County, IAIA18,0770.1%–

30Ringgold County, IAIA4,6420.1%−0.4 pts

31Dubuque County, IAIA99,3810.1%+0.0 pts

32Chickasaw County, IAIA11,6630.1%–

33Montgomery County, IAIA10,0020.1%+0.0 pts

34Linn County, IAIA232,0280.1%+0.0 pts

35Cedar County, IAIA18,3590.1%−0.0 pts

36Poweshiek County, IAIA18,3680.1%–

37Wapello County, IAIA35,2100.0%–

38Jackson County, IAIA19,2880.0%−0.0 pts

39Washington County, IAIA22,6670.0%−0.1 pts

40Keokuk County, IAIA9,7970.0%–

41Scott County, IAIA175,2590.0%+0.0 pts

42Muscatine County, IAIA41,8530.0%–

43Black Hawk County, IAIA131,5320.0%−0.0 pts

44Guthrie County, IAIA10,7820.0%−0.0 pts

45Buchanan County, IAIA20,8830.0%–

46Louisa County, IAIA10,4160.0%−0.0 pts

47Kossuth County, IAIA14,3220.0%–

48Henry County, IAIA19,3490.0%–

49Warren County, IAIA57,3310.0%−0.0 pts

50Page County, IAIA14,8560.0%–

51Buena Vista County, IAIA20,4490.0%–

52Fayette County, IAIA19,0470.0%−0.0 pts

53O'Brien County, IAIA14,2200.0%–

54Franklin County, IAIA9,8680.0%–

55Tama County, IAIA16,7960.0%–

SHOWING 1–55 OF 55

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES