Ranking of Wisconsin Counties By Population in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the Population for Wisconsin was 5.88M. Among all Wisconsin counties, Milwaukee County had the highest population (924.28K), followed by Dane County (561.54K), and Waukesha County (409.11K).

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

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Wisconsin Counties By Population in 2021
Milwaukee
Dane
Waukesha
Brown
Racine
Outagamie
Winnebago
Kenosha
Rock
Marathon
Ranking of Wisconsin Counties By Population in 2021
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Rank County Population
1 Milwaukee County 924276
2 Dane County 561542
3 Waukesha County 409108
4 Brown County 268899
5 Racine County 196505
6 Outagamie County 191320
7 Winnebago County 170580
8 Kenosha County 168414
9 Rock County 164115
10 Marathon County 137755
11 Washington County 137253
12 La Crosse County 119331
13 Sheboygan County 117687
14 Eau Claire County 106017
15 Walworth County 105296
16 Fond du Lac County 104116
17 St. Croix County 94998
18 Ozaukee County 92600
19 Dodge County 88689
20 Jefferson County 85782
21 Manitowoc County 81506
22 Wood County 74005
23 Portage County 69433
24 Chippewa County 66590
25 Sauk County 65702
26 Columbia County 58445
27 Calumet County 52583
28 Waupaca County 51986
29 Grant County 51296
30 Barron County 46709
31 Monroe County 46083
32 Polk County 45466
33 Dunn County 44518
34 Douglas County 44055
35 Marinette County 41858
36 Pierce County 41606
37 Shawano County 40829
38 Oconto County 39421
39 Oneida County 38249
40 Green County 37066
41 Clark County 34762
42 Vernon County 30917
43 Trempealeau County 30723
44 Door County 30425
45 Lincoln County 28457
46 Juneau County 26763
47 Waushara County 24760
48 Iowa County 23807
49 Vilas County 23508
50 Jackson County 20915
51 Adams County 20837
52 Kewaunee County 20589
53 Taylor County 19938
54 Langlade County 19479
55 Green Lake County 19249
56 Sawyer County 18226
57 Richland County 17199
58 Lafayette County 16830
59 Burnett County 16755
60 Washburn County 16748
61 Bayfield County 16322
62 Crawford County 16097
63 Ashland County 16048
64 Marquette County 15784
65 Rusk County 14085
66 Price County 14048
67 Buffalo County 13325
68 Forest County 9257
69 Pepin County 7374
70 Iron County 6172
71 Florence County 4593
72 Menominee County 4297