RANKING · 2024 ACS · 55 SHOWN OF 55

Largest Spaniard population, Iowa counties

Iowa counties ranked by the number of residents who are Spaniard origin, 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 55 counties in Iowa that qualify, ranked against each other statewide. The median across all 55 is 17. Biggest climber in the top 100 since 2020: Des Moines County, IA, up 27 places to #21.

Spaniard Americans: full group profile →

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 POPULATIONVS 2010

01Polk County, IAIA516,5461,033+622%

02▲17Mills County, IAIA14,793243–

03▲4Woodbury County, IAIA106,649168+950%

04▼1Johnson County, IAIA160,044159+218%

05▼3Linn County, IAIA232,028126+133%

06▲4Story County, IAIA101,291122+49%

07▲19Dallas County, IAIA118,457103–

08▲21Clinton County, IAIA46,002100–

09▲3Pottawattamie County, IAIA92,99687+295%

10▲18Emmet County, IAIA9,10777–

11▲16Scott County, IAIA175,25970+49%

12▲1Dubuque County, IAIA99,38160+161%

13▼2Sioux County, IAIA36,77460–

14▼9Black Hawk County, IAIA131,53251−43%

15▼1Marion County, IAIA34,19239+255%

16▼8Cerro Gordo County, IAIA42,37237–

17▲5Harrison County, IAIA14,62335+400%

18Palo Alto County, IAIA8,89932+191%

19Floyd County, IAIA14,90130–

20▲11Worth County, IAIA7,33830–

21▲27Des Moines County, IAIA38,07729–

22▲13Webster County, IAIA36,83829–

23Howard County, IAIA9,41524–

24▲26Madison County, IAIA17,27024−23%

25▲9Plymouth County, IAIA25,69723+2200%

26▼1Lucas County, IAIA8,84720–

27▲13Decatur County, IAIA7,65517–

28Muscatine County, IAIA41,85317–

29▼23Wapello County, IAIA35,21017–

30Dickinson County, IAIA18,07712–

31▲5Warren County, IAIA57,33112−37%

32Shelby County, IAIA11,68911–

33▼17Poweshiek County, IAIA18,36810–

34▲18Cedar County, IAIA18,35910−23%

35▼18Washington County, IAIA22,66710−71%

36Jackson County, IAIA19,2889−40%

37Union County, IAIA11,8298–

38Calhoun County, IAIA9,5628–

39Sac County, IAIA9,5258–

40Buchanan County, IAIA20,8837–

41Chickasaw County, IAIA11,6637–

42Monona County, IAIA8,5397–

43Montgomery County, IAIA10,00260%

44Henry County, IAIA19,3495–

45▼3Buena Vista County, IAIA20,4494–

46▼26Guthrie County, IAIA10,7824−50%

47Keokuk County, IAIA9,7974–

48▼7Kossuth County, IAIA14,3224–

49▼12Fayette County, IAIA19,0473−50%

50Louisa County, IAIA10,4163−57%

51▼12Page County, IAIA14,8563–

52Ringgold County, IAIA4,6423−87%

53▼20O'Brien County, IAIA14,2202–

54Franklin County, IAIA9,8681–

55Tama County, IAIA16,7961–

SHOWING 1–55 OF 55

Download CSV (full list, 55 rows)

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