Angels Camp, also known as City of Angels, is the only incorporated city in Calaveras County, California, United States. The population was 3,836 at the 2010 census, up from 3,004 at the 2000 census. It lies at an elevation of 1381 feet. Mark Twain based his short story "The Celebrated Jumping Frog of Calaveras County" on a story he claimed to have heard at the Angels Hotel in 1865.