Wisconsin 2020 Census Total Population By County

Updated on January 23, 2023.

The total population of Wisconsin from the 2020 Census was 5,893,718, based on data from the US Census Bureau.

Milwaukee County was the most populated county (939,489), followed by Dane County (561,504), and then Waukesha County (406,978). On the other hand, the 3 counties that were least populated include: Menominee County (4,255), Florence County (4,558), and Iron County (6,137).

You can also see this information for other states and also for the national level by state.

Hover over or click on the counties to see the number and percentage of Wisconsin population that lives in each county. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

Wisconsin 2020 Census Total Population By County
Wisconsin 2020 Census Total Population By County
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County Population % of Wisconsin Pop.
Adams 20654 0.35
Ashland 16027 0.27
Barron 46711 0.79
Bayfield 16220 0.28
Brown 268740 4.56
Buffalo 13317 0.23
Burnett 16526 0.28
Calumet 52442 0.89
Chippewa 66297 1.13
Clark 34659 0.59
Columbia 58490 0.99
Crawford 16113 0.27
Dane 561504 9.53
Dodge 89396 1.52
Door 30066 0.51
Douglas 44295 0.75
Dunn 45440 0.77
Eau Claire 105710 1.79
Florence 4558 0.08
Fond du Lac 104154 1.77
Forest 9179 0.16
Grant 51938 0.88
Green 37093 0.63
Green Lake 19018 0.32
Iowa 23709 0.40
Iron 6137 0.10
Jackson 21145 0.36
Jefferson 84900 1.44
Juneau 26718 0.45
Kenosha 169151 2.87
Kewaunee 20563 0.35
La Crosse 120784 2.05
Lafayette 16611 0.28
Langlade 19491 0.33
Lincoln 28415 0.48
Manitowoc 81359 1.38
Marathon 138013 2.34
Marinette 41872 0.71
Marquette 15592 0.27
Menominee 4255 0.07
Milwaukee 939489 15.94
Monroe 46274 0.79
Oconto 38965 0.66
Oneida 37845 0.64
Outagamie 190705 3.24
Ozaukee 91503 1.55
Pepin 7318 0.12
Pierce 42212 0.72
Polk 44977 0.76
Portage 70377 1.19
Price 14054 0.24
Racine 197727 3.36
Richland 17304 0.29
Rock 163687 2.78
Rusk 14188 0.24
St. Croix 93536 1.59
Sauk 65763 1.12
Sawyer 18074 0.31
Shawano 40881 0.69
Sheboygan 118034 2.00
Taylor 19913 0.34
Trempealeau 30760 0.52
Vernon 30714 0.52
Vilas 23047 0.39
Walworth 106478 1.81
Washburn 16623 0.28
Washington 136761 2.32
Waukesha 406978 6.91
Waupaca 51812 0.88
Waushara 24520 0.42
Winnebago 171730 2.91
Wood 74207 1.26