RANKING · 2024 ACS · 26 SHOWN OF 26

Highest Costa Rican population share, Wisconsin counties

Wisconsin 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 26 counties in Wisconsin that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

Highest Costa Rican population share by state

RANKPLACESTATEPOPCOSTA RICAN SHAREVS 2000

01Iowa County, WIWI23,9510.1%–

02St. Croix County, WIWI98,2760.1%–

03Portage County, WIWI71,9430.1%–

04Walworth County, WIWI106,1270.1%–

05Milwaukee County, WIWI924,2160.1%–

06Eau Claire County, WIWI109,0330.1%–

07Dane County, WIWI590,3750.0%–

08Calumet County, WIWI53,9820.0%–

09Waukesha County, WIWI417,2100.0%–

10Jefferson County, WIWI86,5050.0%–

11Brown County, WIWI275,8030.0%–

12Sheboygan County, WIWI118,0470.0%–

13Barron County, WIWI46,4840.0%–

14Manitowoc County, WIWI81,7100.0%–

15Rock County, WIWI166,4720.0%–

16Grant County, WIWI52,4460.0%–

17Fond du Lac County, WIWI104,6690.0%–

18Taylor County, WIWI20,1180.0%–

19Outagamie County, WIWI195,8940.0%–

20Dunn County, WIWI46,2230.0%–

21Kenosha County, WIWI168,4480.0%–

22Waupaca County, WIWI51,4610.0%–

23Pierce County, WIWI43,5190.0%–

24Dodge County, WIWI89,0970.0%–

25Chippewa County, WIWI67,6140.0%–

26Ozaukee County, WIWI94,3460.0%–

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