Wisconsin Counties by Population (2026)

2026 Pop.

100K

200K

300K

400K

500K

600K

700K

800K

900K

Top 5 Most Populous Counties

72 Counties

County
2026 Pop. ↓
Area (mi²)
Density
Change (2020)
Milwaukee County930,5002413,861-0.86%
Dane County605,5631.2K5067.63%
Waukesha County423,0615507693.81%
Brown County277,5795305243.2%
Racine County201,1393336041.55%
Outagamie County198,5146383113.95%
Winnebago County175,7114354042.28%
Kenosha County170,5282726270.78%
Rock County167,4977182332.28%
Marathon County139,5971.5K901.07%
Washington County139,1894313231.74%
La Crosse County121,7464522690.66%
Sheboygan County119,0035122320.8%
Eau Claire County110,3746381734.25%
Walworth County106,0715551910.72%
Fond du Lac County104,5377201450.37%
St. Croix County99,5507221386.02%
Ozaukee County94,8282334073.49%
Dodge County88,903876101-0.49%
Jefferson County86,7935561560.68%
Manitowoc County81,8895891390.59%
Wood County73,75579393-0.58%
Portage County73,198801913.96%
Chippewa County68,0711K682.6%
Sauk County67,172832812.1%
Columbia County58,44176676-0.13%
Calumet County54,2003181703.28%
Grant County53,2021.1K462.35%
Waupaca County50,86574868-1.82%
Dunn County46,751850552.86%
Monroe County46,724901520.92%
Barron County46,58686354-0.29%
Polk County45,803914501.72%
Douglas County44,3241.3K34-0.05%
Pierce County43,938574774.05%
Marinette County42,8031.4K312.16%
Shawano County41,601893471.79%
Oconto County40,6291K413.97%
Oneida County38,1471.1K340.71%
Green County37,681584651.75%
Clark County34,8191.2K290.55%
Vernon County31,767792403.44%
Trempealeau County30,52573342-0.93%
Door County30,404482630.95%
Lincoln County28,523879320.33%
Juneau County26,65676735-0.46%
Waushara County25,209626402.68%
Iowa County24,127763321.72%
Vilas County24,016858283.98%
Jackson County21,205988210.52%
Adams County21,000646331.54%
Kewaunee County20,787342611.09%
Taylor County20,255975211.59%
Langlade County19,735871231.38%
Green Lake County19,276350551.31%
Sawyer County19,2671.3K156.34%
Lafayette County17,800634287.2%
Burnett County17,383822214.86%
Washburn County16,954797211.99%
Bayfield County16,8961.5K114.05%
Richland County16,86758629-2.41%
Ashland County16,3821K162.29%
Crawford County16,04257128-0.26%
Marquette County15,52745634-0.34%
Price County14,0651.3K110.21%
Rusk County14,00091415-1.28%
Buffalo County13,512676201.42%
Forest County9,7561K106.41%
Pepin County7,701232334.88%
Iron County6,15175880.18%
Florence County4,62948891.45%
Menominee County4,416358123.71%

Overview of Wisconsin Counties

There are 72 counties in Wisconsin.

Milwaukee County is the largest county in the state, with a population of 930,500. 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 4,416. 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 605,563, 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 16,867 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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