Wisconsin Counties by Population (2025)

2025 Pop.

100K

200K

300K

400K

500K

600K

700K

800K

900K

Top 5 Most Populous Counties

72 Counties

County
2025 Pop. ↓
Area (mi²)
Density
Change (2020)
Milwaukee County927,6202413,849-1.17%
Dane County596,9551.2K4996.1%
Waukesha County420,0455507643.07%
Brown County275,7445305202.52%
Racine County199,8953336000.92%
Outagamie County196,9526383093.13%
Winnebago County174,5094354011.58%
Kenosha County169,6412726240.26%
Rock County166,4797182321.66%
Marathon County139,3441.5K900.89%
Washington County138,9584313221.57%
La Crosse County121,4034522690.38%
Sheboygan County118,6675122320.52%
Eau Claire County109,6026381723.52%
Walworth County106,0505551910.7%
Fond du Lac County104,4037201450.24%
St. Croix County98,7527221375.18%
Ozaukee County94,3922334053.02%
Dodge County88,769876101-0.64%
Jefferson County86,5195561560.36%
Manitowoc County81,7015891390.35%
Wood County73,84979393-0.46%
Portage County72,619801913.13%
Chippewa County67,6971K672.04%
Sauk County66,829832801.57%
Columbia County58,27776676-0.42%
Calumet County53,9013181702.71%
Grant County52,7661.1K461.51%
Waupaca County51,01874868-1.52%
Barron County46,69886354-0.05%
Monroe County46,547901520.54%
Dunn County46,443850552.18%
Polk County45,817914501.75%
Douglas County44,3001.3K34-0.11%
Pierce County43,659574763.39%
Marinette County42,5731.4K301.61%
Shawano County41,450893461.42%
Oconto County40,3331K403.21%
Oneida County38,1611.1K340.75%
Green County37,432584641.08%
Clark County34,8101.2K290.52%
Vernon County31,559792402.76%
Trempealeau County30,66373342-0.49%
Door County30,458482631.13%
Lincoln County28,492879320.22%
Juneau County26,62376735-0.59%
Waushara County25,144626402.42%
Iowa County24,045763321.38%
Vilas County23,982858283.83%
Adams County21,176646332.39%
Jackson County21,116988210.1%
Kewaunee County20,769342611%
Taylor County20,211975211.37%
Langlade County19,635871230.87%
Green Lake County19,323350551.56%
Sawyer County19,0511.3K155.14%
Lafayette County17,553634285.72%
Burnett County17,285822214.26%
Richland County16,99558629-1.67%
Washburn County16,968797212.08%
Bayfield County16,8671.5K113.87%
Ashland County16,2891K161.71%
Crawford County16,02557128-0.37%
Marquette County15,635456340.35%
Rusk County14,08491415-0.68%
Price County14,0761.3K110.28%
Buffalo County13,488676201.24%
Forest County9,6311K95.05%
Pepin County7,628232333.88%
Iron County6,19375880.86%
Florence County4,651488101.93%
Menominee County4,351358122.18%

Overview of Wisconsin Counties

There are 72 counties in Wisconsin.

Milwaukee County is the largest county in the state, with a population of 927,620. The most recent census shows that its population has decreased by 0.01% since the previous census.

A number of other Wisconsin counties also boast relatively large populations for their state, though not able to match the density of Milwaukee County:

Wisconsin Counties with the Fewest Residents

The smallest county in Wisconsin is Menominee County , with a population of just 4,351. This total represents a increase of 0.0% since the last census count was performed.

Other small counties include:

Wisconsin Counties with Rapid Growth

Dane County , with its sizeable population of 596,955, has shown the largest population growth, with an increase of 0.1% since the last census.

On the other hand, Richland County has had the largest decrease in population, with its 16,995 current residents totalling 0.0% less than the previous census.

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)

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