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List of Cities and Counties in Wisconsin

Discover Wisconsin’s population facts easily with our list of counties and cities. Find out how many people live in each area, from big cities to small towns, and see how Wisconsin’s population is spread out across the state.

Wisconsin Counties by Population

A county is an administrative subdivision of a US state or territory. As of 2022, Wisconsin is divided into 72 counties.

The most populous and densely populated county in Wisconsin is Milwaukee county and the least populated is Menominee County. The largest county by Land Area is Marathon County and the smallest in size is Pepin County.

read about the Population of Wisconsin

#CountyPopulation 2021Area (sq. mi)
1Milwaukee County928,059241.4
2Dane County563,9511,197.24
3Waukesha County408,756549.57
4Brown County269,591529.71
5Racine County196,896332.5
6Outagamie County191,545637.52
7Winnebago County171,623434.49
8Kenosha County168,732271.99
9Rock County164,381718.14
10Marathon County137,6481,544.98
11Washington County137,175430.7
12La Crosse County120,433451.69
13Sheboygan County117,747511.27
14Walworth County106,799555.13
15Eau Claire County106,452637.98
16Fond du Lac County104,362719.55
17St. Croix County95,044722.33
18Ozaukee County92,497233.08
19Dodge County89,313875.63
20Jefferson County84,943556.47
21Manitowoc County81,505589.08
22Wood County74,070793.12
23Portage County70,468800.68
24Chippewa County66,8651,008.37
25Sauk County65,697830.9
26Columbia County58,488765.53
27Calumet County52,539318.24
28Grant County52,1101,146.85
29Waupaca County51,570747.71
30Barron County46,719862.71
31Monroe County46,193900.78
32Dunn County45,547850.11
33Polk County45,431913.96
34Douglas County44,2031,304.14
35Pierce County42,587573.75
36Marinette County41,8751,399.35
37Shawano County40,859893.06
38Oconto County39,356997.99
39Oneida County38,2591,112.97
40Green County36,988583.96
41Clark County34,7461,209.82
42Vernon County30,915791.58
43Trempealeau County30,724732.97
44Door County30,369481.98
45Lincoln County28,541878.97
46Juneau County26,802766.93
47Waushara County24,828626.15
48Iowa County23,756762.58
49Vilas County23,520856.6
50Jackson County21,121987.72
51Adams County20,875645.65
52Kewaunee County20,543342.52
53Taylor County19,923974.88
54Langlade County19,502870.64
55Green Lake County19,229349.44
56Sawyer County18,2951,257.31
57Richland County17,212586.15
58Lafayette County16,784633.59
59Washburn County16,752797.11
60Burnett County16,744821.85
61Bayfield County16,3201,477.86
62Ashland County16,1071,045.04
63Crawford County16,075570.66
64Marquette County15,792455.6
65Rusk County14,123913.59
66Price County14,0501,254.38
67Buffalo County13,302671.64
68Forest County9,2581,014.07
69Pepin County7,364231.98
70Iron County6,178758.17
71Florence County4,593488.2
72Menominee County4,289357.61

read about the race and ethnicity in Wisconsin

Top Cities in Wisconsin by population

Milwaukee, with a population of 577,222 is the largest City with a population in Wisconsin. It’s followed by Madison (263,094), Green Bay (103,836), and Kenosha (99,570). 

Let’s have a look at the Top 20 Cities in Wisconsin by population

#CityCountyPopulation 2020
3Green BayBrown107,395
6AppletonOutagamie, Calumet, Winnebago75,644
8Eau ClaireEau Claire, Chippewa69,421
11West AllisMilwaukee60,325
12La CrosseLa Crosse52,680
15Fond du LacFond du Lac44,678
17New BerlinWaukesha40,451
19Menomonee FallsWaukesha38,527

Source: US Census 2020

Most Populous Counties in Wisconsin

The most populous county in Wisconsin is  Milwaukee County with around 1 million residents. It is followed by Dane County (0.56 million) and Waukesha County (0.4 million)

Let’s have a look at the Top 10 most populous counties

#CountyPopulation 2021
1Milwaukee County928,059
2Dane County563,951
3Waukesha County408,756
4Brown County269,591
5Racine County196,896
6Outagamie County191,545
7Winnebago County171,623
8Kenosha County168,732
9Rock County164,381
10Marathon County137,648
Least Populated Wisconsin County

The least populous county is Menominee County with 4,289 residents, it’s followed by Florence and Iron County.

Let’s have a look at 5 least populated counties in Wisconsin

#CountyPopulation 2021
1Menominee County4,289
2Florence County4,593
3Iron County6,178
4Pepin County7,364
5Forest County9,258

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Largest counties in Wisconsin by area

The Largest county by Land Area in Wisconsin is Marathon County with an area of 1545 sq. miles. Bayfield County with an area of 1,478 sq. mi. comes next followed by Marinette County (1,399 sq. mi.)

Let’s have a look at the Top 10 counties by Area

#CountyArea (sq. mi)
1Marathon County1,545
2Bayfield County1,478
3Marinette County1,399
4Douglas County1,304
5Sawyer County1,257
6Price County1,254
7Clark County1,210
8Dane County1,197.
9Grant County1,147
10Oneida County1,113
Smallest County in Wisconsin by area

The smallest county by area in Wisconsin is Pepin with an area of 232 square miles.

#CountyArea (sq. mi)
1Pepin County232
2Ozaukee County233
3Milwaukee County241
4Kenosha County272
5Calumet County318

Most Densely populated Counties in Wisconsin

The most densely populated county in Wisconsin is Milwaukee County, with 3845 people per sq. mi. Next comes Waukesha County with 743 people per sq. mi followed by Kenosha County (620/ sq.mi)

Let’s have a look at the Top 10 densely populated counties

#CountyDensity (people/sq. mi.)
1Milwaukee County3,844.49
2Waukesha County743.77
3Kenosha County620.36
4Racine County592.17
5Brown County508.94
6Dane County471.04
7Ozaukee County396.85
8Winnebago County395.00
9Washington County318.49
10Outagamie County300.45
Least Densely Populated County in Wisconsin

Iron County with a population density of 8 people per sq. miles is the least densely populated county in Wisconsin

#CountyDensity (people/sq. mi.)
1Iron County8.15
2Forest County9.13
3Florence County9.41
4Bayfield County11.04
5Price County11.20

source: US Census 2021

List of Counties in Wisconsin 2024 | Top Cities in Wisconsin by population