Contra Costa County – 94506 – Danville – CA – 3/35
Contra Costa County – 94506 – Danville – CA – 3/35
Cities: Danville, CA (27.02%), Diablo, CA (1.12%), San Ramon, CA (0.09%)
County: Contra Costa County, CA
Estimated zip code population in 2011: 21,283
Zip code population in 2010: 22,452
Zip code population in 2000: 19,768