
Marathon City
- County:
- Marathon County
- County Seat:
- No
- Area (mi²):
- 3.263
- State:
- Wisconsin
Marathon City is a village located in Marathon County, Wisconsin. Marathon City has a 2025 population of 1,547. Marathon City is currently declining at a rate of -0.39% annually and its population has decreased by -2.03% since the most recent census, which recorded a population of 1,579 in 2020.
The average household income in Marathon City is $109,757 with a poverty rate of 3.58%. The median age in Marathon City is 46 years: 46.1 years for males, and 44.9 years for females.