Madison, Wisconsin Metro Area Counties

4 counties · 709,685 people (2025) · 3,309 sq mi

The Madison, Wisconsin metro area (officially the Madison, WI Metropolitan Statistical Area) has 4 counties in Wisconsin, with 709,685 people in 2025. Dane County is the most populous.

Map of the 4 counties of the Madison, Wisconsin metro area with county names and major cities
The 4 counties of the Madison, Wisconsin metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

The 4 counties of the Madison, Wisconsin metro area

Sorted by population. 1 is a central county (the urban core); the others are outlying counties tied to it by commuting.

CountyCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
Dane CountyMadison590,375+5.1%1,197Central
Columbia CountyPortage58,132−0.6%766Outlying
Green CountyMonroe37,227+0.4%584Outlying
Iowa CountyDodgeville23,951+1%763Outlying

The metro area is part of the larger Madison-Janesville-Beloit, WI Combined Statistical Area.

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of Wisconsin

Other metro areas

All 97 metro area county maps

Sources