
Concord
- County:
- Contra Costa County
- County Seat:
- No
- Area (mi²):
- 30.568
- State:
- California
Concord is a city located in Contra Costa County, California. Concord has a 2025 population of 120,334. Concord is currently declining at a rate of -0.82% annually and its population has decreased by -3.95% since the most recent census, which recorded a population of 125,286 in 2020.
The average household income in Concord is $132,695 with a poverty rate of 8.88%. The median age in Concord is 38.6 years: 37.6 years for males, and 39.7 years for females.