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RANKING · 2020 CENSUS · 72 SHOWN OF 72

Largest American population, Wisconsin counties · 2020

Wisconsin counties ranked by the number of residents who are American ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 1,480.

American ancestry: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest American population by state
RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010
01Milwaukee County, WIWI924,21614,916+11%
02Dane County, WIWI590,37513,471+5%
03Waukesha County, WIWI417,21010,547+7%
04Brown County, WIWI275,8038,756+13%
05Winnebago County, WIWI174,2186,707+18%
06Rock County, WIWI166,4726,381−15%
07Outagamie County, WIWI195,8946,170+1%
08Kenosha County, WIWI168,4485,053+9%
09Fond du Lac County, WIWI104,6694,804+25%
10Sheboygan County, WIWI118,0474,226+7%
11St. Croix County, WIWI98,2764,201+80%
12Racine County, WIWI198,9194,047−10%
13Washington County, WIWI139,2383,975−17%
14Marathon County, WIWI139,4323,654−11%
15Wood County, WIWI74,0603,556+34%
16Jefferson County, WIWI86,5053,554+31%
17Eau Claire County, WIWI109,0333,541−3%
18Manitowoc County, WIWI81,7103,457+9%
19Dodge County, WIWI89,0973,403+27%
20Ozaukee County, WIWI94,3463,365+31%
21Walworth County, WIWI106,1273,333+15%
22Portage County, WIWI71,9433,110+79%
23Waupaca County, WIWI51,4613,010+60%
24La Crosse County, WIWI121,3392,815−18%
25Sauk County, WIWI66,6522,584+17%
26Marinette County, WIWI42,5742,161+27%
27Calumet County, WIWI53,9822,029+3%
28Columbia County, WIWI58,1321,977−5%
29Chippewa County, WIWI67,6141,781−24%
30Douglas County, WIWI43,9901,746+50%
31Grant County, WIWI52,4461,690−31%
32Polk County, WIWI45,8031,688+24%
33Clark County, WIWI35,0521,681+3%
34Oconto County, WIWI40,1951,619+23%
35Dunn County, WIWI46,2231,535−6%
36Oneida County, WIWI38,1311,480−15%
37Green County, WIWI37,2271,4750%
38Monroe County, WIWI46,5721,467−5%
39Shawano County, WIWI41,5601,342−2%
40Lincoln County, WIWI28,4031,275+6%
41Barron County, WIWI46,4841,271−43%
42Kewaunee County, WIWI20,7581,236+72%
43Waushara County, WIWI25,2231,225+45%
44Marquette County, WIWI15,9271,220+161%
45Juneau County, WIWI26,6491,203+25%
46Door County, WIWI30,6161,160+18%
47Pierce County, WIWI43,5191,122−4%
48Adams County, WIWI21,7521,077+41%
49Burnett County, WIWI17,223885+86%
50Taylor County, WIWI20,118824−13%
51Green Lake County, WIWI19,305807+42%
52Vernon County, WIWI31,443755−14%
53Iowa County, WIWI23,951751−20%
54Jackson County, WIWI20,999684−3%
55Lafayette County, WIWI17,478643−17%
56Rusk County, WIWI14,146627−28%
57Vilas County, WIWI23,761609−7%
58Richland County, WIWI17,036600−21%
59Langlade County, WIWI19,534580−17%
60Trempealeau County, WIWI31,171579−19%
61Crawford County, WIWI15,910565−14%
62Washburn County, WIWI17,087535−25%
63Buffalo County, WIWI13,318472+62%
64Bayfield County, WIWI16,787453−14%
65Price County, WIWI13,988395−7%
66Sawyer County, WIWI18,846392−31%
67Ashland County, WIWI16,203386−64%
68Forest County, WIWI9,574310−5%
69Pepin County, WIWI7,513268+19%
70Iron County, WIWI6,127101−74%
71Florence County, WIWI4,74864+8%
SHOWING 1–72 OF 72

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS