
Fitchburg
- County:
- Dane County
- County Seat:
- No
- Area (mi²):
- 35.212
- State:
- Wisconsin
Fitchburg is a city located in Dane County, Wisconsin. Fitchburg has a 2025 population of 33,142. Fitchburg is currently growing at a rate of 1.31% annually and its population has increased by 6.92% since the most recent census, which recorded a population of 30,996 in 2020.
The average household income in Fitchburg is $117,886 with a poverty rate of 7.46%. The median age in Fitchburg is 34.7 years: 33.4 years for males, and 35.3 years for females.