
Arcadia
- County:
- Los Angeles County
- County Seat:
- No
- Area (mi²):
- 10.927
- State:
- California
Arcadia is a city located in Los Angeles County, California. Arcadia has a 2025 population of 52,593. Arcadia is currently declining at a rate of -1.47% annually and its population has decreased by -6.92% since the most recent census, which recorded a population of 56,502 in 2020.
The average household income in Arcadia is $163,264 with a poverty rate of 7.4%. The median age in Arcadia is 43.2 years: 43.3 years for males, and 43.1 years for females.