Ranking of Wisconsin Counties By Total Population from Census 2020

Updated on February 7, 2023.

According to the data from the US 2020 Census, the most populated Wisconsin county as at April 2020 was Milwaukee County (939.49K), followed by Dane County (561.50K), and Waukesha County (406.98K).

The chart below shows the top 10 most populated counties, and the table below shows the ranking of all the counties in the state of Wisconsin.

You can also see the ranking of counties by population for other states as well as for the whole United States.

Ranking of Wisconsin Counties By Total Population from Census 2020
Milwaukee
Dane
Waukesha
Brown
Racine
Outagamie
Winnebago
Kenosha
Rock
Marathon
Ranking of Wisconsin Counties By Total Population from Census 2020
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Rank County Population
1 Milwaukee County 939489
2 Dane County 561504
3 Waukesha County 406978
4 Brown County 268740
5 Racine County 197727
6 Outagamie County 190705
7 Winnebago County 171730
8 Kenosha County 169151
9 Rock County 163687
10 Marathon County 138013
11 Washington County 136761
12 La Crosse County 120784
13 Sheboygan County 118034
14 Walworth County 106478
15 Eau Claire County 105710
16 Fond du Lac County 104154
17 St. Croix County 93536
18 Ozaukee County 91503
19 Dodge County 89396
20 Jefferson County 84900
21 Manitowoc County 81359
22 Wood County 74207
23 Portage County 70377
24 Chippewa County 66297
25 Sauk County 65763
26 Columbia County 58490
27 Calumet County 52442
28 Grant County 51938
29 Waupaca County 51812
30 Barron County 46711
31 Monroe County 46274
32 Dunn County 45440
33 Polk County 44977
34 Douglas County 44295
35 Pierce County 42212
36 Marinette County 41872
37 Shawano County 40881
38 Oconto County 38965
39 Oneida County 37845
40 Green County 37093
41 Clark County 34659
42 Trempealeau County 30760
43 Vernon County 30714
44 Door County 30066
45 Lincoln County 28415
46 Juneau County 26718
47 Waushara County 24520
48 Iowa County 23709
49 Vilas County 23047
50 Jackson County 21145
51 Adams County 20654
52 Kewaunee County 20563
53 Taylor County 19913
54 Langlade County 19491
55 Green Lake County 19018
56 Sawyer County 18074
57 Richland County 17304
58 Washburn County 16623
59 Lafayette County 16611
60 Burnett County 16526
61 Bayfield County 16220
62 Crawford County 16113
63 Ashland County 16027
64 Marquette County 15592
65 Rusk County 14188
66 Price County 14054
67 Buffalo County 13317
68 Forest County 9179
69 Pepin County 7318
70 Iron County 6137
71 Florence County 4558
72 Menominee County 4255