RANKING · 2024 ACS · 26 SHOWN OF 26

Largest Costa Rican population, Wisconsin counties

Wisconsin counties ranked by the number of residents who are Costa Rican 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 26 counties in Wisconsin that qualify, ranked against each other statewide.

Costa Rican 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

Largest Costa Rican population by state

RANKPLACESTATEPOPCOSTA RICAN POPULATIONVS 2010

01Milwaukee County, WIWI924,216616+173%

02Dane County, WIWI590,375251+214%

03Waukesha County, WIWI417,210144–

04St. Croix County, WIWI98,276118–

05Brown County, WIWI275,80385+102%

06Walworth County, WIWI106,12784–

07Portage County, WIWI71,94373+1360%

08Eau Claire County, WIWI109,03363+66%

09Sheboygan County, WIWI118,04730–

10Iowa County, WIWI23,95130–

11Jefferson County, WIWI86,50528−28%

12Calumet County, WIWI53,98223–

13Rock County, WIWI166,47222–

14Outagamie County, WIWI195,89418–

15Manitowoc County, WIWI81,71013−32%

16Kenosha County, WIWI168,44812–

17Fond du Lac County, WIWI104,66912−40%

18Barron County, WIWI46,4849−76%

19Grant County, WIWI52,4466–

20Ozaukee County, WIWI94,3464–

21Dunn County, WIWI46,2234–

22Dodge County, WIWI89,0974−20%

23Chippewa County, WIWI67,6143−81%

24Waupaca County, WIWI51,4613−73%

25Pierce County, WIWI43,5192–

26Taylor County, WIWI20,1182–

SHOWING 1–26 OF 26

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES