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 (2023 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.

IowaAll states All rankings

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 2000

01Mills County, IAIA14,7931.7%–

02Emmet County, IAIA9,1070.8%–

03Worth County, IAIA7,3380.4%–

04Palo Alto County, IAIA8,8990.4%–

05Howard County, IAIA9,4150.3%–

06Harrison County, IAIA14,6230.2%–

07Lucas County, IAIA8,8470.2%–

08Decatur County, IAIA7,6550.2%–

09Clinton County, IAIA46,0020.2%–

10Polk County, IAIA516,5460.2%–

11Floyd County, IAIA14,9010.2%–

12Sioux County, IAIA36,7740.2%–

13Woodbury County, IAIA106,6490.2%–

14Madison County, IAIA17,2700.1%–

15Story County, IAIA101,2910.1%–

16Marion County, IAIA34,1920.1%–

17Johnson County, IAIA160,0440.1%–

18Dallas County, IAIA118,4570.1%–

19Shelby County, IAIA11,6890.1%–

20Pottawattamie County, IAIA92,9960.1%–

21Plymouth County, IAIA25,6970.1%–

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%–

31Dubuque County, IAIA99,3810.1%–

32Chickasaw County, IAIA11,6630.1%–

33Montgomery County, IAIA10,0020.1%–

34Linn County, IAIA232,0280.1%–

35Cedar County, IAIA18,3590.1%–

36Poweshiek County, IAIA18,3680.1%–

37Wapello County, IAIA35,2100.0%–

38Jackson County, IAIA19,2880.0%–

39Washington County, IAIA22,6670.0%–

40Keokuk County, IAIA9,7970.0%–

41Scott County, IAIA175,2590.0%–

42Muscatine County, IAIA41,8530.0%–

43Black Hawk County, IAIA131,5320.0%–

44Guthrie County, IAIA10,7820.0%–

45Buchanan County, IAIA20,8830.0%–

46Louisa County, IAIA10,4160.0%–

47Kossuth County, IAIA14,3220.0%–

48Henry County, IAIA19,3490.0%–

49Warren County, IAIA57,3310.0%–

50Page County, IAIA14,8560.0%–

51Buena Vista County, IAIA20,4490.0%–

52Fayette County, IAIA19,0470.0%–

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