
San Luis Obispo
- County:
- San Luis Obispo County
- 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 County. San 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.