RANKING · 2010 CENSUS · 13 SHOWN OF 13

Largest Costa Rican population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Costa Rican origin, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 13 counties in Iowa that qualify, ranked against each other statewide.

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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

Largest Costa Rican population by state

RANKPLACESTATEPOPCOSTA RICAN POPULATIONVS 2000

01Black Hawk County, IAIA131,53240–

02Scott County, IAIA175,25924–

03Polk County, IAIA516,54613–

04Poweshiek County, IAIA18,36811–

05Monona County, IAIA8,5396–

06Wapello County, IAIA35,2106–

07Dubuque County, IAIA99,3815–

08Woodbury County, IAIA106,6495–

09Iowa County, IAIA16,5044–

10Jackson County, IAIA19,2884–

11Johnson County, IAIA160,0443–

12Cherokee County, IAIA11,3692–

13Mitchell County, IAIA10,6502–

SHOWING 1–13 OF 13

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