
South Pasadena
- County:
- Los Angeles County
- County Seat:
- No
- Area (mi²):
- 3.409
- State:
- California
South Pasadena is a city located in Los Angeles County, California. South Pasadena has a 2025 population of 24,808. South Pasadena is currently declining at a rate of -1.61% annually and its population has decreased by -7.59% since the most recent census, which recorded a population of 26,845 in 2020.
The average household income in South Pasadena is $189,883 with a poverty rate of 5.12%. The median age in South Pasadena is 40.3 years: 38.6 years for males, and 41.5 years for females.