Gilpin County, Colorado
…1861, while Colorado was still a territory, and was named after Colonel William Gilpin, the first territorial governor. Gilpin County is part of the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area. According to the U.S. Census Bureau, the county has a total area of 150 square miles (390 km2), of which 150 square miles (390 km2) is land and 0.4…