San Francisco County

San Francisco County is a county in California that covers the entire city of San Francisco and forms a single administrative unit. The boundaries of this county align completely with the city limits, creating an integrated jurisdiction that operates as both a city and county simultaneously.

This county was established in 1850 as one of California's original counties. In 1856, the city and county governments merged into a single unified administration, a consolidation that has remained in place.

The San Francisco Board of Supervisors manages eleven districts, representing the interests of over 800,000 residents from numerous ethnic and social backgrounds.

Visitors will encounter a complex administrative system that provides services to residents and workers. Public transportation and various assistance programs are accessible throughout the region.

This jurisdiction stands apart as California's only consolidated city-county, meaning its city government and county government operate as a single entity. This arrangement has created an unusual administrative structure that manages both municipal and county responsibilities under one system.

Location: California

Inception: 1850

Capital city: San Francisco

Shares border with: San Mateo County, Marin County

Website: http://sf.gov

GPS coordinates: 37.77833,-122.44250

Latest update: December 11, 2025 18:03