Ridgemark is a census-designated place (CDP) located adjacent to the southeastern edge of Hollister in San Benito County, California, United States. The community is a private, gated golf development with a golf course and just over 1,000 homes. Development of the community began in the early 1970s, and the population had reached 3,016 at the time of the 2010 United States Census.
The median income for a household in the CDP was $79,057, and the median income for a family was $87,743. Males had a median income of $69,219 versus $38,250 for females. The per capita income for the CDP was $36,966. About 2.2% of families and 3.5% of the population were below the poverty line, including 5.2% of those under age 18 and 2.7% of those age 65 or over.