San Luis Obispo County , California

San Luis Obispo County: County in California, United States

About

San Luis Obispo County is a county located in the U.S. state of California. As of the 2010 census, the population was 269,637 and a population density of 29 people per km². After 10 years in 2020 county had an estimated population of 282,249 inhabitants. Its county seat is San Luis Obispo. The county was created 171 years ago in 1849.

San Luis Obispo County Quick Facts

Population : 282,249 (2020)
Country : United States of America
State : California (United States)
Area : 9364 km2
Water as percent of area : 8.63%
Land as percent of area : 91.37%
Named for : San Luis Obispo
Altitude : 1,178 feet / 359 meters
Capital : San Luis Obispo
Establishment : January 01, 1850
Time Zone : America/Los_Angeles
Local time : 00:55:36 (6th December 2021)
Density : 30 Pop. per km² as of 2020
Population growth : 4.47% (2010-2020)
Weather : 41℉ Mostly Clear 7-days weather
San Luis Obispo County locator map
Location of San Luis Obispo County on California map.
Seal of San Luis Obispo County  California seal image
Seal of San Luis Obispo County California
Seal of San Luis Obispo County  California seal image

Geography

San Luis Obispo County is located at 35°23'15"N 120°27'8"W (35.3874200, -120.4522000). It has 3 neighbors: Brooklyn, Monterey County and Santa Barbara County.

San Luis Obispo County map

The largest city of San Luis Obispo County is San Luis Obispo with a population of 47,590. Other cities include, Atascadero population 30,254, Paso Robles population 27,157, Arroyo Grande population 17,821 and Grover Beach population 13,325. See all San Luis Obispo County cities & populated places.

San Luis Obispo County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in San Luis Obispo County.

City Name Population Title
San Luis Obispo 47,590 County seat of San Luis Obispo County, California, United States
Atascadero 30,254 City in California, USA
Paso Robles 27,157 City in San Luis Obispo County, California, United States
Arroyo Grande 17,821 City in San Luis Obispo County, California, United States
Nipomo 16,714 Census-designated place in San Luis Obispo County, California
Grover Beach 13,325 City in San Luis Obispo County, California, United States
Morro Bay 10,560 City in San Luis Obispo County, California.
Pismo Beach 7,955 City of California, United States
Oceano 7,286 Census-designated place in San Luis Obispo County, California
Cambria 6,032 Census designated place
Cayucos 2,592 Census designated place
Lake Nacimiento 2,411 Census designated place
Shandon 1,295 Census-designated place in San Luis Obispo County, California

Weather

San Luis Obispo County forecast: Mostly clear, with a low around 41. more

San Luis Obispo County has 3 neighbours.

  • San Luis Obispo

Demographics

The population of San Luis Obispo County increased by 4.47% in 10 years.

Year Population % Change Method
2010 269,637 - census
2011 271,058 0.52% estimation process
2012 274,160 1.13% estimation process
2013 275,696 0.56% estimation process
2014 278,227 0.91% estimation process
2015 280,077 0.66% estimation process
2016 281,803 0.61% estimation process
2017 282,481 0.24% estimation process
2018 283,354 0.31% estimation process
2019 283,111 -0.09% estimation process
2020 282,249 -0.31% estimation process

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Local Places in San Luis Obispo County

People born in San Luis Obispo County (4)

People born in San Luis Obispo County, including actor Malachi Pearson, actress Olivia Dudley, actor Asher Metchik, you can see a list of people who born in San Luis Obispo County.

Other places with the same name (1)

California Other Counties (more counties)

County Name Population Title
Los Angeles County 9,943,046 County in California, United States of America
Los Angeles 3,970,219 County seat of Los Angeles County, California; second largest city in the United States by population
San Diego County 3,332,427 San Diego County, founded in 1850, is one of 58 counties in the US state of California.
Orange County 3,166,857 County in California, United States
Riverside County 2,489,188 County in California, United States
San Bernardino County 2,189,183 County in California, United States
Santa Clara County 1,907,105 County in California, United States
Alameda County 1,662,323 County in California, United States
Sacramento County 1,559,146 County in California, United States
San Diego 1,422,420 City in San Diego County, California, United States, eighth largest city in the country by population
Laguna 1,370,232 Former census-designated place
Contra Costa County 1,152,333 County in California, United States
San Jose 1,013,616 County seat of Santa Clara County, California; tenth largest city in the United States by population
Fresno County 1,000,918 County in California, United States
Kern County 901,362
San Francisco County 866,606 County, coextensive with the city of San Francisco, California, United States