
Fort Atkinson
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 5.847
- State:
- Wisconsin
Fort Atkinson is a city located in Jefferson County, Wisconsin. Fort Atkinson has a 2025 population of 12,196. Fort Atkinson is currently declining at a rate of -0.63% annually and its population has decreased by -3.06% since the most recent census, which recorded a population of 12,581 in 2020.
The average household income in Fort Atkinson is $85,713 with a poverty rate of 7.11%. The median age in Fort Atkinson is 41.5 years: 40.3 years for males, and 43.7 years for females.