Ashland, California

Ashland
Ashland community marker painted on I-238 overpass at Mission Blvd
Location in Alameda County and the state of California
Ashland
Location in the United States
Coordinates: 37°41′41″N 122°06′50″W / 37.69472°N 122.11389°W / 37.69472; -122.11389
Country United States
State California
CountyAlameda
Government
  TypeUnincorporated community
  State SenateAisha Wahab (D)
  State AssemblyLiz Ortega (D)
  U. S. CongressEric Swalwell (D)
  District 4 Alameda County SupervisorNate Miley
Area
  Total
1.84 sq mi (4.77 km2)
  Land1.84 sq mi (4.77 km2)
  Water0.00 sq mi (0.00 km2)  0%
Elevation
43 ft (13 m)
Population
 (2020)
  Total
23,823
  Density12,926.21/sq mi (4,992.00/km2)
Time zoneUTC-8 (Pacific (PST))
  Summer (DST)UTC-7 (PDT)
ZIP code
94541, 94578, 94580
Area codes510, 341
FIPS code06-02980
GNIS feature IDs1657955, 2407773

Ashland is a census-designated place (CDP) and unincorporated community in Alameda County, California, United States. The population was 23,823 at the 2020 census. Ashland is located between the city of San Leandro to the north, the unincorporated community of Cherryland to the south, the unincorporated community of Castro Valley to the east, and the unincorporated community of San Lorenzo to the southwest.

Ashland shares a postal zip code with the neighboring unincorporated community of San Lorenzo to the southwest, as well as the close by cities of Hayward to the south and San Leandro to the north. Ashland has been informally, albeit incorrectly, known as "unincorporated San Leandro" or "unincorporated Hayward" due to Ashland not having its own postal zip code designation.