POPULATION: 277,259

INCORPORATION DATE: 1850

BOARD OF SUPERVISORS: 

• District 1 – John Peschong
• District 2 – Bruce Gibson
• District 3 – Dawn Ortiz-Legg
• District 4 – Lynn Compton
• District 5 – Debbie Arnold

FORM OF GOVERNMENT: General Law

SAN LUIS OBISPO. County seat, San Luis Obispo. Created February 18, 1850. In 1772, the Mission San Luis Obispo was established here by Padre Junipero Serra and named for Saint Luis, the Bishop of Toulouse. The county’s name comes from the mission.