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RANKING · 2020 CENSUS · 10 SHOWN OF 10

Highest Costa Rican population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Costa Rican origin (2023 American Community Survey). A concentration measure: Costa Rican residents as a percentage of total population. This list covers the 10 counties in Iowa that qualify, ranked against each other statewide.

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RELATEDLargest Mexican populationHighest Mexican population shareLargest Puerto Rican populationHighest Puerto Rican population shareLargest Cuban populationHighest Cuban population share
YEAR201020202024
Highest Costa Rican population share by state
RANKPLACESTATEPOPCOSTA RICAN SHAREVS 2000
01Wapello County, IAIA35,2100.1%
02Buena Vista County, IAIA20,4490.1%
03Scott County, IAIA175,2590.1%
04Dallas County, IAIA118,4570.1%
05Woodbury County, IAIA106,6490.0%
06Monona County, IAIA8,5390.0%
07Polk County, IAIA516,5460.0%
08Johnson County, IAIA160,0440.0%
09Story County, IAIA101,2910.0%
10Pottawattamie County, IAIA92,9960.0%
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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES