Paloma is an unincorporated community in Calaveras County, California. It lies at an elevation of 1362 feet and is located at 38°15′34″N 120°45′48″W. The community is in ZIP code 95252 and area code 209. Gwin Mine, Paloma, and Lower Rich Gulch were mined for placer gold in 1849, and quartz was discovered by J. Alexander in 1851. Property here was acquired by William M. Gwin, California's first U.S. Senator, in 1851. After yielding millions of dollars in gold, the Gwin Mine closed in 1908.