what county wildomar ca
Wildomar, California. Wildomar is a city in Riverside County, California, United States. It was incorporated on July 1, 2008.[1] The city is located in a fast-growing area. As of the 2010 census, the population of Wildomar was 32,176, an increase from 14,064 at the 2000 census, when the community was still an unincorporated census-designated place.