Contra Costa County – 94523 – Pleasant Hill – CA – 28/35
Contra Costa County – 94523 – Pleasant Hill – CA – 28/35
Cities: Pleasant Hill, CA (97.17%), Concord, CA (0.48%), Waldon, CA (0.10%), Martinez, CA (0.01%)
County: Contra Costa County, CA
Estimated zip code population in 2011: 33,545
Zip code population in 2010: 33,569
Zip code population in 2000: 32,671