
Danville
- County:
- Contra Costa County
- County Seat:
- No
- Area (mi²):
- 18.078
- State:
- California
Danville is a town located in Contra Costa County, California. Danville has a 2025 population of 42,625. Danville is currently declining at a rate of -0.44% annually and its population has decreased by -2.15% since the most recent census, which recorded a population of 43,560 in 2020.
The average household income in Danville is $284,183 with a poverty rate of 3.55%. The median age in Danville is 45.6 years: 44.2 years for males, and 46.5 years for females.