Clayton, California
Contra Costa County · Population 11,070 · Card no. 10073
A small city at the foot of Mount Diablo, founded in the 1850s and still a village in feel.
- Mount Diablo State Park begins at the city limit.
- Coal and copper were mined nearby in the 1800s.
- The town has one main street and no big-box stores.
Every incorporated city and town in California has its own painted card here, free to send by email or by link. No account, nothing to install.