Silver Plume is a Statutory Town located in Clear Creek County, Colorado, United States. Silver Plume is a former silver mining camp along Clear Creek in the Front Range of the Rocky Mountains. The federally designated Georgetown-Silver Plume Historic District comprises Silver Plume, the neighboring town of Georgetown, and the Georgetown Loop Historic Mining & Railroad Park between the two towns. The town population was 207 at the 2020 census. The Silver Plume Post Office has the ZIP code 80476. History. The family of John Henry Bowman (1850–1900) came to the Silver Plume area in 1864.
https://en.wikipedia.org/wiki/Silver_Plume,_Colorado