Sheridan is a census-designated place in Placer County, California, United States. It is located at the western edge of the county, along State Route 65. Sheridan is 7.5 miles (12.1 km) northwest of Lincoln. Its ZIP code is 95681 and area code 530. The elevation is 112 feet (34 m). The population was 1,238 at the 2010 census.
The Sheridan post office opened in 1868, closed for a time in 1870, and re-opened.