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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. The median across all 26 is 22. Biggest climber in the top 100 since 2020: Eau Claire County, WI, up 15 places to #8.

Costa Rican Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Costa Rican population by state
RANKPLACESTATEPOPCOSTA RICAN POPULATIONVS 2010
01▲1Milwaukee County, WIWI924,216616+173%
02▼1Dane County, WIWI590,375251+214%
03Waukesha County, WIWI417,210144–
04St. Croix County, WIWI98,276118–
05Brown County, WIWI275,80385+102%
06Walworth County, WIWI106,12784–
07▼4Portage County, WIWI71,94373+1360%
08▲15Eau Claire County, WIWI109,03363+66%
09Sheboygan County, WIWI118,04730–
10▲2Iowa County, WIWI23,95130–
11Jefferson County, WIWI86,50528−28%
12▲1Calumet County, WIWI53,98223–
13Rock County, WIWI166,47222–
14▼10Outagamie County, WIWI195,89418–
15Manitowoc County, WIWI81,71013−32%
16▼11Kenosha County, WIWI168,44812–
17Fond du Lac County, WIWI104,66912−40%
18Barron County, WIWI46,4849−76%
19Grant County, WIWI52,4466–
20▼12Ozaukee County, WIWI94,3464–
21Dunn County, WIWI46,2234–
22▲2Dodge County, WIWI89,0974−20%
23Chippewa County, WIWI67,6143−81%
24▼4Waupaca County, WIWI51,4613−73%
25▼15Pierce County, WIWI43,5192–
26Taylor County, WIWI20,1182–
SHOWING 1–26 OF 26

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES