RANKING · 2020 CENSUS · 33 SHOWN OF 33

Highest Iranian population share, Wisconsin counties · 2020

Wisconsin counties ranked by the share of all residents who are Iranian ancestry (2023 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. This list covers the 33 counties in Wisconsin that qualify, ranked against each other statewide.

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Iranian population share by state

RANKPLACESTATEPOPIRANIAN SHAREVS 2000

01Vernon County, WIWI31,4430.1%–

02Eau Claire County, WIWI109,0330.1%–

03Winnebago County, WIWI174,2180.1%–

04Dane County, WIWI590,3750.1%–

05Ozaukee County, WIWI94,3460.1%–

06Jefferson County, WIWI86,5050.0%–

07Milwaukee County, WIWI924,2160.0%–

08Waukesha County, WIWI417,2100.0%–

09La Crosse County, WIWI121,3390.0%–

10Rock County, WIWI166,4720.0%–

11Kenosha County, WIWI168,4480.0%–

12Rusk County, WIWI14,1460.0%–

13Washington County, WIWI139,2380.0%–

14Pepin County, WIWI7,5130.0%–

15Manitowoc County, WIWI81,7100.0%–

16Dunn County, WIWI46,2230.0%–

17Lafayette County, WIWI17,4780.0%–

18Sauk County, WIWI66,6520.0%–

19Fond du Lac County, WIWI104,6690.0%–

20Green County, WIWI37,2270.0%–

21Dodge County, WIWI89,0970.0%–

22Door County, WIWI30,6160.0%–

23Brown County, WIWI275,8030.0%–

24Racine County, WIWI198,9190.0%–

25Clark County, WIWI35,0520.0%–

26Walworth County, WIWI106,1270.0%–

27Pierce County, WIWI43,5190.0%–

28Portage County, WIWI71,9430.0%–

29St. Croix County, WIWI98,2760.0%–

30Monroe County, WIWI46,5720.0%–

31Outagamie County, WIWI195,8940.0%–

32Columbia County, WIWI58,1320.0%–

33Marathon County, WIWI139,4320.0%–

SHOWING 1–33 OF 33

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