RANKING · 2010 CENSUS · 13 SHOWN OF 13

Highest Peruvian population share, Iowa counties · 2010

Iowa counties ranked by the share of all residents who are Peruvian origin (2010 American Community Survey). A concentration measure: Peruvian residents as a percentage of total population. This list covers the 13 counties in Iowa that qualify, ranked against each other statewide.

Peruvian Americans: full group profile →

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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

RANKPLACESTATEPOPPERUVIAN SHAREVS –

01Buena Vista County, IAIA20,4490.3%–

02Winnebago County, IAIA10,2510.2%–

03Scott County, IAIA175,2590.1%–

04Dallas County, IAIA118,4570.1%–

05Poweshiek County, IAIA18,3680.1%–

06Johnson County, IAIA160,0440.0%–

07Dubuque County, IAIA99,3810.0%–

08Story County, IAIA101,2910.0%–

09Clinton County, IAIA46,0020.0%–

10Polk County, IAIA516,5460.0%–

11Muscatine County, IAIA41,8530.0%–

12Marshall County, IAIA39,8900.0%–

13Black Hawk County, IAIA131,5320.0%–

SHOWING 1–13 OF 13

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS