Dane County
Also known as Dane County, Wisconsin, Dane County, WI
county in Wisconsin, United States
Key facts
- Country
- United States
- State
- Wisconsin
- Named after
- Nathan Dane
- Seat
- Madison
- Largest city
- Madison
- Executive
- Melissa Agard
- Total
- 1,238 sq mi (3,210 km )
- Land
- 1,197 sq mi (3,100 km )
- Water
- 41 sq mi (110 km ) 3.3%
- Estimate 2025
- 590,375
- Density
- 469.1/sq mi (181.1/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
Article
Dane County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 561,504, making it the second-most populous county in Wisconsin after Milwaukee County. Dane County is the fastest growing county in Wisconsin. It contains nearly 10% of the population of Wisconsin, and it only contained 5% of Wisconsin's population in 1950.
The county seat is Madison, which is also the state capital. Dane County is the central county of the Madison metropolitan area, as well as the Madison–Janesville–Beloit combined statistical area.