RANKING · 2010 CENSUS · 30 SHOWN OF 30

Largest Spaniard population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Spaniard origin, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 30 counties in Iowa that qualify, ranked against each other statewide. The median across all 30 is 19.

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 POPULATIONVS –

01Polk County, IAIA516,546143–

02Black Hawk County, IAIA131,53289–

03Story County, IAIA101,29182–

04Linn County, IAIA232,02854–

05Johnson County, IAIA160,04450–

06Scott County, IAIA175,25947–

07Appanoose County, IAIA12,07741–

08Washington County, IAIA22,66734–

09Madison County, IAIA17,27031–

10Boone County, IAIA26,79926–

11Mahaska County, IAIA21,88024–

12Dubuque County, IAIA99,38123–

13Ringgold County, IAIA4,64223–

14Pottawattamie County, IAIA92,99622–

15Warren County, IAIA57,33119–

16Monroe County, IAIA7,40617–

17Woodbury County, IAIA106,64916–

18Jackson County, IAIA19,28815–

19Cedar County, IAIA18,35913–

20Marion County, IAIA34,19211–

21Palo Alto County, IAIA8,89911–

22Bremer County, IAIA25,2968–

23Guthrie County, IAIA10,7828–

24Adams County, IAIA3,6177–

25Harrison County, IAIA14,6237–

26Louisa County, IAIA10,4167–

27Fayette County, IAIA19,0476–

28Montgomery County, IAIA10,0026–

29Plymouth County, IAIA25,6971–

30Taylor County, IAIA5,8351–

SHOWING 1–30 OF 30

Download CSV (full list, 30 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS