|— Unincorporated community —|
|Elevation ||1,965 ft (599 m)|
Douglas Flat (formerly, Douglasflat and Douglass Flat) is an unincorporated community in Calaveras County, California. It lies at an elevation of 1965 feet (599 m) and is located at . The community is in ZIP code 95229 and area code 209.
Douglas Flat was a roaring mining camp of the early 1850s. In 1857 the Harper and Lone Star Claims produced $130,000 worth of gold. The so-called Central Hill Channel, an ancient river deposit from which vast quantities of gold have been taken, is located here.
The town today is registered as California Historical Landmark #272.
In the state legislature Douglas Flat is located in the 1st Senate District, represented by Republican Dave Cox, and in the 25th Assembly District, represented by Republican Tom Berryhill. Federally, Douglas Flat is located in California's 3rd congressional district, which has a Cook PVI of R +7 and is represented by Republican Dan Lungren.