Spring Valley is a census-designated place (CDP) in the East County region of SanDiegoCounty, California. The population was 30,998 at the 2020 census, up from 28,205 at the 2010 census. The Spring Valley Community Planning Area encompasses approximately eleven square miles of the unincorporated portion of the County of SanDiego. The Planning Area is located to the east of the cities of SanDiego, and Lemon Grove. Several neighborhoods are located within Spring Valley. 4 days ago · Spring Valley looks to the County of SanDiego for local services and governance. Neighbor to neighbor and community-wide, Spring Valley enjoys a long history of volunteerism and advocacy for its residents. Why do people choose to live in Spring Valley, California? Discover the best neighborhoods, attactions, schools, get crime data, and find homes for sale or rent in Spring Valley, CA. Springvalley has been a very good spot for me since I had moved to SanDiego from the central valley. It was close to my undergraduate school, San Diego State University which was extremely convenient for me at the time.See full list on niche.comView all Spring Valley is a census-designated place in the East County region of SanDiegoCounty, California. The population was 30,998 at the 2020 census, up from 28,205 at the 2010 census. Highlights include Monte Vista High School and Cuyamaca College. · A detailed map of Spring Valley, California, highlights the extensive network of streets. It also shows the locations of local landmarks within the Rancho San Bernardo land grant. · A detailed map of Spring Valley, California, highlights the extensive network of streets. It also shows the locations of local landmarks within the Rancho San Bernardo land grant. See land and lots for sale, connect with local experts and schedule the tour today. Realtor.com® puts the best tools in your hands. Find the perfect land, lots & more Home Buying Tips · 3D Tours · Go on 3D virtual tours · View local noise levels