Placer County , California

Placer County: County in California, United States

Placer County locator map
Location of Placer County on California map.

About

Placer County is a county located in the U.S. state of California. As of the 2010 census, the population was 348,432 and a population density of 90 people per km². After 10 years in 2020 county had an estimated population of 402,950 inhabitants. Its county seat is Auburn. The county was created 170 years ago in 1850.

Seal of Placer County  California seal image
Seal of Placer County California
Seal of Placer County  California seal image

Geography

Placer County is located at 39°3'48"N 120°43'4"W (39.0634300, -120.7176600). It has 8 neighbors: El Dorado County, Nevada County, Sacramento County, Sutter County, Yuba County, Carson City, Douglas County and Washoe County.

Placer County map

The largest city of Placer County is Roseville with a population of 144,725. Other cities include, Rocklin population 70,159, Lincoln population 48,996, Auburn population 14,205 and Loomis population 6,844. See all Placer County cities & populated places.

Placer County Quick Facts

Population : 402,950 (2020)
Country : United States of America
State : California (United States)
Area : 3892 km2
Water as percent of area : 6.35%
Land as percent of area : 93.65%
Named for : placer mining
Altitude : 3,593 feet / 1095 meters
Capital : Auburn
Establishment : January 01, 1851
Time Zone : America/Los_Angeles
Local time : 12:50:04 (17th October 2021)
Density : 104 Pop. per km² as of 2020
Population growth : 13.53% (2010-2020)

Placer County has 8 neighbours.

  • Auburn

Demographics

The population of Placer County increased by 13.53% in 10 years.

Year Population % Change Method
2010 348,432 - census
2011 356,328 2.22% estimation process
2012 360,263 1.09% estimation process
2013 365,398 1.41% estimation process
2014 369,217 1.03% estimation process
2015 372,841 0.97% estimation process
2016 378,943 1.61% estimation process
2017 385,115 1.6% estimation process
2018 392,330 1.84% estimation process
2019 398,329 1.51% estimation process
2020 402,950 1.15% estimation process

Comte de Placer, Comté de Placer, Condado de Placer, Condado han Placer, Contea di Placer, Hrabstwo Placer, Okrug Plaser, Placer, Placer Comitatus, Placer Kun, Placer Kūn, Placer konderria, Placer megye, Plejser, Plejsur, Quan Placer, Quận Placer, mqatʿt blasr, plasera ka'unti, pu lai se xian, pureisa jun, shhrstan plasr kalyfrnya, Округ Пласер, Плейсер, Плейсър, Փլեյսեր շրջան, شهرستان پلاسر، کالیفرنیا, مقاطعة بلاسر, پلیسر کاؤنٹی, پلیسر کاؤنٹی، کیلیفورنیا, প্লাসের কাউন্টি, プレイサー郡, 普莱瑟县

People born in Placer County (3)

People born in Placer County, including football player and coach, lawyer George W. Gregory, artist Frank Happersberger, american writer, wife of John Fante Joyce Fante, you can see a list of people who born in Placer County.

Other places with the same name (1)

Placer County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Placer County.

City Name Population Title
Roseville 144,725 City in Placer County, California, United States
Rocklin 70,159 City in California
Lincoln 48,996 City in Placer County, California
Granite Bay 20,402 Census-designated place in California, USA
Auburn 14,205 City in California, United States
North Auburn 13,022 Census designated place
Loomis 6,844 City in California
Kings Beach 3,796 Census-designated place in Placer County, California
Meadow Vista 3,217 Census-designated place in Placer County, California
Colfax 2,009 City in California, USA
Foresthill 1,483 Census-designated place in Placer County, California
Tahoe Vista 1,433 Census-designated place in Placer County, California
Dollar Point 1,215 Census-designated place in Placer County, California

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