Alameda County – 94578 – San Leandro – CA – 39/46
Alameda County – 94578 – San Leandro – CA – 39/46
Cities: San Leandro, CA (47.38%), Castro Valley, CA (35.18%), Ashland, CA (17.44%)
County: Alameda County, CA
Estimated zip code population in 2011: 37,757
Zip code population in 2010: 38,558
Zip code population in 2000: 36,565