Orinda Flag

Orinda

County Seat:
No
Area (mi²):
12.852
State:
California

Orinda is a city located in Contra Costa County, California. Orinda has a 2026 population of 19,573. Orinda is currently growing at a rate of 0.6% annually and its population has increased by 0.31% since the most recent census, which recorded a population of 19,512 in 2020.

19.6K
Total Population
1,523
Density (mi²)
117 0.6%
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)