Ranking of Wisconsin Counties By Population with American Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 182.30K people in Wisconsin with American ancestry. Among all Wisconsin counties, Milwaukee County had the highest population with American ancestry (15.42K), followed by Dane County (13.64K), and Waukesha County (10.85K).

The chart and table below shows the top 10 counties with high number of people with American ancestry.

You can see similar information for other states and for other ancestry groups in Wisconsin.

Data Source: US Census Bureau.
Ranking of Wisconsin Counties By Population with American Ancestry in 2021
Milwaukee County
Dane County
Waukesha County
Brown County
Winnebago County
Outagamie County
Rock County
Fond du Lac County
Kenosha County
Sheboygan County
Ranking of Wisconsin Counties By Population with American Ancestry in 2021
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Rank County Population
1 Milwaukee County 15424
2 Dane County 13644
3 Waukesha County 10853
4 Brown County 9546
5 Winnebago County 6293
6 Outagamie County 6189
7 Rock County 5866
8 Fond du Lac County 5661
9 Kenosha County 4775
10 Sheboygan County 4564
11 Racine County 4311
12 St. Croix County 4175
13 Washington County 4001
14 Marathon County 3652
15 Manitowoc County 3624
16 Dodge County 3621
17 Wood County 3582
18 Walworth County 3580
19 Eau Claire County 3522
20 Ozaukee County 3444
21 Portage County 3301
22 Jefferson County 3118
23 La Crosse County 2638
24 Waupaca County 2614
25 Sauk County 2590
26 Marinette County 2307
27 Columbia County 2185
28 Calumet County 2072
29 Polk County 1986
30 Oconto County 1849
31 Chippewa County 1803
32 Clark County 1680
33 Shawano County 1621
34 Grant County 1610
35 Douglas County 1551
36 Dunn County 1516
37 Oneida County 1466
38 Monroe County 1439
39 Green County 1399
40 Barron County 1369
41 Marquette County 1253
42 Lincoln County 1233
43 Kewaunee County 1162
44 Juneau County 1093
45 Waushara County 1042
46 Pierce County 1035
47 Door County 992
48 Adams County 932
49 Burnett County 906
50 Iowa County 831
50 Vernon County 831
51 Taylor County 817
52 Green Lake County 779
53 Langlade County 757
54 Vilas County 737
55 Rusk County 702
56 Trempealeau County 696
57 Jackson County 693
58 Washburn County 652
59 Lafayette County 592
60 Richland County 568
61 Buffalo County 566
62 Crawford County 496
63 Sawyer County 478
64 Bayfield County 423
65 Ashland County 408
66 Price County 387
67 Forest County 318
68 Pepin County 234
69 Iron County 149
70 Florence County 81
71 Menominee County 11