Oakland is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California. It is the county seat of and the most populous city in Alameda County, California, with a population of 440,646 in 2020. A major West Coast port, Oakland is the most populous city in the East Bay, the third most populous city in the Bay Area, and the eighth most populous city in California. It serves as the Bay Area's trade center: the Port of Oakland is the busiest port in Northern California, and the fifth- or sixth-busiest in the United States. Oakland also serves as a hub for the Bay Area Rapid Transit system. A charter city, Oakland was incorporated on May 4, 1852, in the wake of the state's increasing population due to the California gold rush. Oakland's territory covers what was once a mosaic of California coastal terrace prairie, oak woodland, and north coastal scrub.

Country: United States
State: California
County: Alameda
Incorporated: May 4, 1852
Named for: The large oak forest that originally covered the area
• Type: Strong mayor
• Body: Oakland City Council
• Mayor: Barbara Lee (D)
• Water: 28.48%
Population (2020): 440,646
• Estimate (2025): 440,838
• Rank: 1st in Alameda County, 8th in California, 45th in the United States
Demonym(s): Oaklander
ZIP Codes: 94601–94615, 94617-94624, 94649, 94659–94662, 94666
Area codes: 510/341
Website: oaklandca.gov
Official Website: https://www.oaklandca.gov/
Wikidata description: city in and county seat of Alameda County, California, United States
Wikidata id: Q17042
Wikidata label: Oakland
Wikidata aliases: Array
Source
Results from DuckDuckGo

Agency Contact Information