Arroyo Grande Flag

Arroyo Grande

County Seat:
No
Area (mi²):
5.939
State:
California

Arroyo Grande is a city located in San Luis Obispo County, California. Arroyo Grande has a 2026 population of 18,249. Arroyo Grande is currently declining at a rate of -0.12% annually and its population has decreased by -1.01% since the most recent census, which recorded a population of 18,436 in 2020.

18.2K
Total Population
3,073
Density (mi²)
-22 -0.12%
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)