Wisconsin Population By County in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the population of Wisconsin was 5,896,700. Among all Wisconsin counties, Milwaukee had the highest population (938,550), followed by Dane (562,615), and Waukesha (407,496). Menominee was the least populated county (4,257).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Wisconsin Population By County in 2020
Wisconsin Population By County in 2020
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County Population % of State Population
Adams 20677 0.35
Ashland 16022 0.27
Barron 46737 0.79
Bayfield 16237 0.28
Brown 268951 4.56
Buffalo 13309 0.23
Burnett 16577 0.28
Calumet 52485 0.89
Chippewa 66341 1.13
Clark 34672 0.59
Columbia 58533 0.99
Crawford 16085 0.27
Dane 562615 9.54
Dodge 89353 1.52
Door 30117 0.51
Douglas 44351 0.75
Dunn 45440 0.77
Eau Claire 105897 1.80
Florence 4565 0.08
Fond du Lac 104169 1.77
Forest 9169 0.16
Grant 51985 0.88
Green 37035 0.63
Green Lake 19017 0.32
Iowa 23719 0.40
Iron 6139 0.10
Jackson 21096 0.36
Jefferson 86208 1.46
Juneau 26775 0.45
Kenosha 169195 2.87
Kewaunee 20563 0.35
La Crosse 120921 2.05
Lafayette 16618 0.28
Langlade 19463 0.33
Lincoln 28426 0.48
Manitowoc 81387 1.38
Marathon 138078 2.34
Marinette 41889 0.71
Marquette 15590 0.26
Menominee 4257 0.07
Milwaukee 938550 15.92
Monroe 46300 0.79
Oconto 39077 0.66
Oneida 37869 0.64
Outagamie 190966 3.24
Ozaukee 91629 1.55
Pepin 7341 0.12
Pierce 42229 0.72
Polk 45039 0.76
Portage 70405 1.19
Price 14025 0.24
Racine 197568 3.35
Richland 17283 0.29
Rock 163758 2.78
Rusk 14175 0.24
St. Croix 93872 1.59
Sauk 65784 1.12
Sawyer 18118 0.31
Shawano 40855 0.69
Sheboygan 118053 2.00
Taylor 19932 0.34
Trempealeau 30818 0.52
Vernon 30696 0.52
Vilas 23097 0.39
Walworth 105323 1.79
Washburn 16616 0.28
Washington 136801 2.32
Waukesha 407496 6.91
Waupaca 51798 0.88
Waushara 24550 0.42
Winnebago 171815 2.91
Wood 74199 1.26