
Platteville
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 6.184
- State:
- Wisconsin
Platteville is a city located in Grant County, Wisconsin. Platteville has a 2025 population of 10,654. Platteville is currently declining at a rate of -2.18% annually and its population has decreased by -10% since the most recent census, which recorded a population of 11,838 in 2020.
The average household income in Platteville is $63,047 with a poverty rate of 25.28%. The median age in Platteville is 23.1 years: 22.5 years for males, and 25.4 years for females.