Contra Costa County, CA
Population: 1,161,458 · Median Income: $125,727 · 717 sq mi
Population
1,161,458
Median Income
$125,727
Median Home Value
$830,800
Unemployment
5.9%
Median Age
40.3 yrs
Poverty Rate
8.3%
Median Rent
$2,322/mo
Land Area
717 sq mi
Cities
53
2024 Lean
D+38.0%
Contra Costa County is a county in California with a population of 1,161,458. The median household income is $125,727. The median home value is $830,800. The unemployment rate is 5.9%. The median age is 40.3 years. There are 53 cities in Contra Costa County.
Explore Contra Costa County Data
2024 Election Results
Source: County Election DataWinner
Democrat
Dem Votes
356,008
67.3%
GOP Votes
155,308
29.4%
Total Votes
528,904
Cities in Contra Costa County
Source: Census BureauAcalanes RidgeAlamoAlhambra ValleyAntiochBay PointBayviewBethel IslandBlackhawkBrentwoodByronCamino TassajaraCastle HillClaytonClydeConcordContra Costa CentreCrockettDanvilleDiabloDiscovery BayEast Richmond HeightsEl CerritoEl SobranteHerculesKensingtonKnightsenLafayetteMartinezMontalvin ManorMoragaMountain ViewNorris CanyonNorth GateNorth RichmondOakleyOrindaPachecoPinolePittsburgPleasant HillPort CostaReliez ValleyRichmondRodeoRollingwoodSan MiguelSan PabloSan RamonSaranapShell RidgeTara HillsVine HillWalnut Creek