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San Luis Obispo County, California

San Luis Obispo County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 281,843 (2024)
ID: 161113
County Official County Government
Contact: CHAIRPERSON
1055 MONTEREY ST, STE D430, SAN LUIS OBISPO CA 93408-1003
GUS Population: 49,729 (2024)
ID: 161261
Municipal Municipal Government Within County
Contact: ADMINISTRATIVE ANALYST
990 PALM ST, SAN LUIS OBISPO CA 93401-3236
GUS Population: 31,568 (2024)
ID: 207600
Municipal Municipal Government Within County
Contact: MAYOR
1000 SPRING ST, PASO ROBLES CA 93446-2599
GUS Population: 29,743 (2024)
ID: 207601
Municipal Municipal Government Within County
Contact: DIRECTOR FO ADMINSITRATIVE SERVICES
6500 PALMA AVENUE, ATASCADERO CA 93422
GUS Population: 18,249 (2024)
ID: 183844
Municipal Municipal Government Within County
Contact: MAYOR
300 E BRANCH ST, ARROYO GRANDE CA 93420-2706
GUS Population: 12,534 (2024)
ID: 123155
Municipal Municipal Government Within County
Contact: PLANNER II
154 S 8TH ST, GROVER BEACH CA 93433-2073
GUS Population: 10,591 (2024)
ID: 100734
Municipal Municipal Government Within County
Contact: CITY MANAGER
595 HARBOR ST, MORRO BAY CA 93442-1900
GUS Population: 7,984 (2024)
ID: 161260
Municipal Municipal Government Within County
Contact: MAYOR
760 MATTIE RD, PISMO BEACH CA 93449-2000