
Montello
- County:
- Marquette County
- County Seat:
- Yes
- Area (mi²):
- 1.967
- State:
- Wisconsin
Montello is a city located in Marquette County, Wisconsin. Montello has a 2025 population of 1,451. It is also the county seat of .Montello is currently growing at a rate of 0.07% annually and its population has increased by 0.35% since the most recent census, which recorded a population of 1,446 in 2020.
The average household income in Montello is $59,440 with a poverty rate of 18.34%. The median age in Montello is 49.2 years: 47.5 years for males, and 56.9 years for females.