San Luis Obispo
County, officially the County of San Luis Obispo, is a county located in the state of California. Based on the 2010 census, the population was 269,637. The county
seat is San Luis Obispo. The county was created
February 18, 1850. In 1772, the Mission San Luis Obispo was established
here by Padre Junipero Serra and the county
is named for Saint Luis, the Bishop of
Toulouse.
San Luis Obispo County (locally, SLO County) comprises the San Luis Obispo-Paso Robles-Arroyo Grande, CA Metropolitan Statistical Area. The
county is located along the Pacific Ocean in Central California, between Los Angeles and the San Francisco Bay Area.
In 1772, the Mission San Luis Obispo was established here by Padre Junipero Serra and the county is named for Saint Luis, the Bishop of Toulouse.
County QuickFacts: CensusBureau Quick Facts
San Luis Obispo County was one of the original counties of California, created in 1850 at the time of statehood.
The prehistory of San Luis Obispo County is strongly influenced by the Chumash people who had
important settlement here at least as early as the Millingstone Horizon thousands of years before
present. Settlements existed, for example, in many coastal areas such as Morro Bay and Los Osos.
The entrance lobby and belfry of the Mission San Luis Obispo de Tolosa. A statue of Fray JunÃpero Serra
stands outside the church. Mission San Luis Obispo de Tolosa was founded on September 1, 1772 in the area
that is now the city of San Luis Obispo.
As reported by the Census Bureau, the county has a total area of 3,616 square miles (9,364 km2), of which, 3,304 square miles (8,558 km2) of it is land and 311 square miles (806 km2) of it (8.61%) is water.
The city of San Luis Obispo is surrounded by a chain of
trail-scratched Morros, long-dormant volcanoes that extend to the
rolling Santa Lucia Range and the Pacific coast.
Bordering counties are as follows: