San Ramon Flag

San Ramon

County Seat:
No
Area (mi²):
20.059
State:
California

San Ramon is a city located in Contra Costa County, California. San Ramon has a 2026 population of 85,924. San Ramon is currently growing at a rate of 0.5% annually but its population has decreased by -0.53% since the most recent census, which recorded a population of 86,385 in 2020.

85.9K
Total Population
4,284
Density (mi²)
428 0.5%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)