Contra Costa County – 94549 – Lafayette – CA – 35/35

Cities: Lafayette, CA (76.94%), Orinda, CA (0.13%), Pleasant Hill, CA (0.03%), Walnut Creek, CA (0.02%), Martinez, CA (0.01%)
County: Contra Costa County, CA

Estimated zip code population in 2011: 26,822
Zip code population in 2010: 26,864
Zip code population in 2000: 23,995