Rancho Santa Margarita Flag

Rancho Santa Margarita

County:
Orange County
County Seat:
No
Area (mi²):
12.928
State:
California

Rancho Santa Margarita is a city located in Orange County, California. Rancho Santa Margarita has a 2026 population of 46,353. Rancho Santa Margarita is currently declining at a rate of -0.23% annually and its population has decreased by -3.16% since the most recent census, which recorded a population of 47,868 in 2020.

46.4K
Total Population
3,585
Density (mi²)
-109 -0.23%
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)