Ranking of Wisconsin Counties By Population in 2018

Updated on January 28, 2024.

Based on the US Census Vintage data estimates, in 2018, the Population for Wisconsin was 5.81M. Among all Wisconsin counties, Milwaukee County had the highest population (947.91K), followed by Dane County (542.45K), and Waukesha County (402.71K).

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 2018
Milwaukee
Dane
Waukesha
Brown
Racine
Outagamie
Winnebago
Kenosha
Rock
Washington
Ranking of Wisconsin Counties By Population in 2018
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Rank County Population
1 Milwaukee County 947908
2 Dane County 542448
3 Waukesha County 402705
4 Brown County 262985
5 Racine County 196348
6 Outagamie County 187012
7 Winnebago County 170811
8 Kenosha County 169054
9 Rock County 162817
10 Washington County 135615
11 Marathon County 135478
12 La Crosse County 118220
13 Sheboygan County 115161
14 Eau Claire County 104276
15 Walworth County 103547
16 Fond du Lac County 102777
17 St. Croix County 89721
18 Ozaukee County 89302
19 Dodge County 87796
20 Jefferson County 85091
21 Manitowoc County 78925
22 Wood County 72827
23 Portage County 70979
24 Sauk County 64306
25 Chippewa County 64095
26 Columbia County 57275
27 Grant County 51501
28 Waupaca County 51051
29 Calumet County 50111
30 Monroe County 46197
31 Dunn County 45135
32 Barron County 45123
33 Polk County 43578
34 Douglas County 43353
35 Pierce County 42608
36 Shawano County 40725
37 Marinette County 40401
38 Oconto County 37901
39 Green County 36867
40 Oneida County 35449
41 Clark County 34737
42 Vernon County 30775
43 Trempealeau County 29479
44 Lincoln County 27686
45 Door County 27638
46 Juneau County 26599
47 Waushara County 24245
48 Iowa County 23709
49 Vilas County 21949
50 Jackson County 20494
51 Adams County 20386
52 Kewaunee County 20367
53 Taylor County 20346
54 Langlade County 19239
55 Green Lake County 18869
56 Richland County 17416
57 Lafayette County 16659
58 Sawyer County 16439
59 Crawford County 16211
60 Washburn County 15841
61 Ashland County 15553
62 Marquette County 15393
63 Burnett County 15334
64 Bayfield County 15086
65 Rusk County 14054
66 Price County 13371
67 Buffalo County 13126
68 Forest County 9001
69 Pepin County 7276
70 Iron County 5671
71 Menominee County 4596
72 Florence County 4295