Georgetown is the territorial charter municipality that is the county seat of Clear Creek County, Colorado, United States. The town population was 1,118 at the 2020 United States census. The former silver mining camp along Clear Creek in the Front Range of the Rocky Mountains was established in 1859 during the Pike's Peak Gold Rush. The federally designated Georgetown-Silver Plume Historic District comprises Georgetown, the neighboring town of Silver Plume, and the Georgetown Loop Historic Mining & Railroad Park between the two towns. The Georgetown Post Office has the ZIP code 80444.