San Luis Obispo Flag

San Luis Obispo

County Seat:
Yes
Area (mi²):
13.469
State:
California

San Luis Obispo is a city located in San Luis Obispo County, California. San Luis Obispo has a 2025 population of 50,612. It is also the county seat of San Luis Obispo CountySan Luis Obispo is currently growing at a rate of 1.37% annually and its population has increased by 7.25% since the most recent census, which recorded a population of 47,191 in 2020.

The average household income in San Luis Obispo is $109,168 with a poverty rate of 29.98%.The median age in San Luis Obispo is 26.2 years: 25 years for males, and 28 years for females.

50.6K
Total Population
3,758
Density (mi²)
684 1.37%
Growth

San Luis Obispo Population

Demographics

Economics and Income Statistics

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)