Alameda County – 94588 – Pleasanton – CA – 2/46

Cities: Pleasanton, CA (31.63%), Hayward, CA (2.17%), Sunol, CA (1.22%), Livermore, CA (0.19%)
Counties: Alameda County, CA (54.17%), Contra Costa County, CA (45.83%)

Estimated zip code population in 2011: 29,918
Zip code population in 2010: 30,842
Zip code population in 2000: 28,557