Platteville is a statutory town in Weld County, Colorado, United States. The population was 2,955 at the 2020 census. It is adjacent to Fort Vasquez on U.S. Highway 85.
Fort Vasquez is a former fur trading post 35 miles northeast of Denver, Colorado, United States, founded by Louis Vasquez and Andrew Sublette in 1835. Restored by the Works Progress Administration in