Dane County Flag

Dane County

State:
Wisconsin
County Seat:
Madison

Dane County's 2026 population is estimated at 605,563, reflecting a 1.44% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Dane County is the 2nd largest county in Wisconsin. The 2010 population was 489,247 and has grown 23.77% since 2010.

605,563
Total Population
506
Population Density (mi²)
2
Population Rank (State)
8.6K 1.44%
Annual Population Growth

Dane County Population

Demographics

Economics and Income Statistics