
Platteville
- County:
- Weld County
- County Seat:
- No
- Area (mi²):
- 3.122
- State:
- Colorado
Platteville is a town located in Weld County, Colorado. Platteville has a 2025 population of 2,858. Platteville is currently declining at a rate of -0.69% annually and its population has decreased by -3.35% since the most recent census, which recorded a population of 2,957 in 2020.
The average household income in Platteville is $95,992 with a poverty rate of 8.81%. The median age in Platteville is 34 years: 32.8 years for males, and 34.3 years for females.