Tuolumne City is an unincorporated town in Tuolumne County, California. A census-designated place (CDP) officially known as Tuolumne also encompasses the town. The population of the CDP was 1,779 at the 2010 census.

Sonora is the county seat of Tuolumne County, California. Founded during the California Gold Rush by Mexican miners from Sonora, the city population was 5,003 during the 2020 Census010. Sonora is the only incorporated community in Tuolumne County.

Mi-Wuk Village is a census-designated place in Tuolumne County, California. The population was 941 at the 2010 census, down from 1,485 at the 2000 census. It was named after the Miwok Indians by the real estate developer and promoter Harry Hoeffler in 1955.

Chinese Camp is a small unincorporated community located in Tuolumne County, California, USA. It is situated in the Sierra Nevada foothills, northeast of Sonora. The population was 90 at the 2020 census, down from 126 at the 2010 census.

Long Barn is a small community located in Tuolumne County, California, USA. It is situated in the Sierra Nevada Mountains, northeast of Sonora. Long Barn sits at an elevation of 5,043 feet (1,537 m). The 2010 United States census reported Long Barn's population was 155.

Jamestown is a historic town located in Tuolumne County, California, USA. It is situated in the Sierra Nevada foothills, southeast of Sonora. It’s the spot where gold was first discovered in the County. The population was 3,433 at the 2010 census, up from 3,017 at the 2000 census.

Groveland is a small community located in Tuolumne County, California, USA. It is situated in the Sierra Nevada Mountains, east of Sonora and west of Yosemite National Park. Groveland sits at an elevation of 3,136 feet (956 m). The 2020 United States census reported Groveland's population was 540.

East Sonora is a community located in Tuolumne County, California, USA. It is situated in the Sierra Nevada foothills, east of the town of Sonora. It is nestled in the Sierra Nevada foothills, offering a scenic setting with picturesque views. The population was 2,266 at the 2010 census, up from 2,078 at the 2000 census.

Cold Springs is a small community located in Tuolumne County, California, USA. It is situated in the Sierra Nevada Mountains, northeast of Sonora. Cold Springs sits at an elevation of 5,315 feet (1,620 m). The 2010 United States census reported Cold Springs's population was 181.

Soulsbyville is a small community located in the western part of Tuolumne County, nestled in the beautiful Sierra Nevada foothills. It is situated between Sonora and Twain Harte. The population was 2,215 at the time of the 2010 census, up from 1,729 at the time of the 2000 census.