Cedar Ridge is a census-designated place (CDP) in Tuolumne County, California. Cedar Ridge sits at an elevation of . The 2020 United States census reported Cedar Ridge's population was 1,235.
Cedar Ridge was created a CDP for the 2010 census, previously it was part of the Phoenix Lake-Cedar Ridge CDP.
According to the United States Census Bureau, the CDP covers an area of 7.8 square miles (20.2 km<sup>2</sup>), 99.89% of it land and 0.11% of it water.
Cedar Ridge first appeared as a census designated place in the 2010 U.S. census formed from part of deleted Phoenix Lake-Cedar Ridge CDP and additional area.
The 2020 United States census reported that Cedar Ridge had a population of 1,235. The population density was . The racial makeup of Cedar Ridge was 1,059 (85.7%) White, 1 (0.1%) African American, 18 (1.5%) Native American, 11 (0.9%) Asian, 1 (0.1%) Pacific Islander, 34 (2.8%) from other races, and 111 (9.0%) from two or more races. Hispanic or Latino of any race were 116 persons (9.4%).
The whole population lived in households. There were 512 households, out of which 121 (23.6%) had children under the age of 18 living in them, 277 (54.1%) were married-couple households, 40 (7.8%) were cohabiting couple households, 81 (15.8%) had a female householder with no partner present, and 114 (22.3%) had a male householder with no partner present. 122 households (23.8%) were one person, and 67 (13.1%) were one person aged 65 or older. The average household size was 2.41. There were 359 families (70.1% of all households).
The age distribution was 216 people (17.5%) under the age of 18, 81 people (6.6%) aged 18 to 24, 251 people (20.3%) aged 25 to 44, 346 people (28.0%) aged 45 to 64, and 341 people (27.6%) who were 65years of age or older. The median age was 50.7years. For every 100 females, there were 104.1 males.
There were 780 housing units at an average density of , of which 512 (65.6%) were occupied. Of these, 450 (87.9%) were owner-occupied, and 62 (12.1%) were occupied by renters.