San Luis Obispo County Map, California, USA

Written and fact-checked by | Last Updated: December 16, 2025, 14:30 ET

Map of San Luis Obispo County - San Luis Obispo County is a county located in the U.S. state of California. San Luis Obispo County Map showing cities, highways, important places and water bodies. Get Where is San Luis Obispo County located in the map, major cities in San Luis Obispo county, population, areas, and places of interest.

San Luis Obispo County Map, California

Map of San Luis Obispo County, California, United States

About San Luis Obispo County Map, California: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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  • About San Luis Obispo County, California

    San Luis Obispo County is a county located in central California, It's county seat is San Luis Obispo. As per 2020 census, the population of San Luis Obispo County is 283159 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 3,304 sq mi (8,557 km2). San Luis Obispo County was established on 1850.

    San Luis Obispo County is known for its beautiful coastline, wineries, and outdoor recreation opportunities. Some of the popular destinations in the county include the Hearst Castle, Morro Bay, and Pismo Beach. The county is also home to several universities and colleges, including California Polytechnic State University, San Luis Obispo and Cuesta College.

    Economically, San Luis Obispo County is driven by a mix of industries, including tourism, agriculture, healthcare, and technology. The county is also home to several military installations, including Camp Roberts and Fort Hunter Liggett. Additionally, the county is known for its sustainability initiatives, including efforts to promote clean energy and reduce waste.

    San Luis Obispo County has a high quality of life, with a strong emphasis on community engagement and environmental stewardship. The county's natural beauty and diverse economy have contributed to its growth and development, making it a desirable place to live and visit.

    Facts about San Luis Obispo County, California

    CountryUnited States
    StateCalifornia
    RegionCentral Coast California
    County SeatSan Luis Obispo
    Named AfterMission San Luis Obispo de Tolosa
    Established1850
    Organized1850
    Coordinates35.3852° N, 120.4470° W
    Total Area3,616 sq mi
    Land Area3,299 sq mi
    Water Area317 sq mi
    Population (2020)282,424
    Population RankMid-sized county in California
    Major CitiesSan Luis Obispo, Paso Robles, Atascadero
    Main IndustriesAgriculture, Tourism, Education, Wine Production
    Major AirportSan Luis Obispo County Regional Airport
    Time ZonePacific Time (UTC−08:00)
    Known ForCentral Coast beaches, Wine country, Hearst Castle, Scenic coastal landscapes
    Websitehttps://www.slocounty.ca.gov

    Ctities and Towns in San Luis Obispo County

    City NameTypePopulation (2020)Pop. DensityAreaIncorporated
    Arroyo GrandeCity18,4413,104.5/sq mi (1,198.7/km2)5.94 sq mi (15.4 km2)July 10, 1911
    AtascaderoCity29,7731,142.0/sq mi (440.9/km2)26.07 sq mi (67.5 km2)July 2, 1979
    Grover BeachCity12,7015,498.3/sq mi (2,122.9/km2)2.31 sq mi (6 km2)December 21, 1959
    Morro BayCity10,7572,018.2/sq mi (779.2/km2)5.33 sq mi (13.8 km2)July 17, 1964
    Paso RoblesCity31,4901,602.5/sq mi (618.7/km2)19.65 sq mi (50.9 km2)March 11, 1889
    Pismo BeachCity8,0722,306.3/sq mi (890.5/km2)3.5 sq mi (9.1 km2)April 25, 1946
    San Luis ObispoCity47,0633,535.9/sq mi (1,365.2/km2)13.31 sq mi (34.5 km2)February 16, 1856

    Places to Visit in San Luis Obispo County

    Top places to visit in San Luis Obispo includes Madonna Inn, San Luis Obispo Museum of Art, Bishop Peak, Sunset Drive-In, Avila Valley Barn, .

    Highways in San Luis Obispo County

    U.S. Route 101, State Route 1, State Route 33, State Route 41, State Route 46, State Route 58, State Route 166, State Route 227, State Route 229.

    Nearest Airports

    Nearest airport of San Luis Obispo is San Luis Obispo County Regional Airport.