Contra Costa County
- Population
- 1,165,012
- Area
- 0.72 sq mi (1.86 km²), 0.09 sq mi water
- Median age
- 40.5
- Households
- 414,417
- Persons per household
- 2.8
- Median household income
- $127,229
- Median house value
- $866,800
Demographics: 2020–2024 ACS
Overnight
62°F
Mostly Cloudy
Monday
87°F
Sunny3% precip
Monday Night
59°F
Mostly Clear1% precip
Tuesday
87°F
Mostly Sunny
Cities & Towns in Contra Costa County
Acalanes RidgeAlamoAlhambra ValleyAntiochBay PointBayviewBethel IslandBlackhawkBrentwoodByronCamino TassajaraCastle HillClaytonClydeConcordContra Costa CentreCrockettDanvilleDiabloDiscovery BayEast Richmond HeightsHerculesKensingtonKnightsenLafayetteMartinezMontalvin ManorMoragaNorris CanyonNorth GateNorth RichmondOakleyOrindaPachecoPinolePittsburgPleasant HillPort CostaReliez ValleyRichmondRodeoRollingwoodSan PabloSan RamonSaranapShell RidgeTara HillsVine HillWalnut Creek