Contra Costa County – 94514 – Byron – CA – 19/35
Contra Costa County – 94514 – Byron – CA – 19/35
City: Byron, CA (18.50%)
Counties: Contra Costa County, CA (72.93%), Alameda County, CA (27.07%)
Estimated zip code population in 2011: 1,393
Zip code population in 2010: 1,360
Zip code population in 2000: 10,138