Placer County, California

Placer County: County in California, United States

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 173 years ago in 1850.

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

Quick Facts about Placer County

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 : 00:57:30 (20th April 2024)
Density : 104 Pop. per km² as of 2020
Population growth : 13.53% (2010-2020)
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 Populated Places

Cities, towns, neighborhoods & other populated places in Placer County.

City Name Population Title
Roseville 144,725 The fifth most populous city in Sacramento County, California.
Rocklin 70,159 The most populous city in Placer County, California.
Lincoln 48,996 The most populous 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

Placer County has 8 neighbours.

  • El Dorado County county in California, United States
  • Nevada County county in California, United States
  • Sacramento County county in California, United States
  • Sutter County county in California, United States
  • Yuba County county in California, United States
  • Carson City The capital of Nevada. It is located in the Carson River Valley in western Nevada. Carson City is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Nevada State Capitol and the Nevada State Museum.
  • Douglas County county in Nevada, United States
  • Washoe County county in Nevada, United States

  • 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, .

List

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 The second most populous city in the United States and the center of the Los Angeles metropolitan area.
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 The eighth most populous city in the United States and the center of the San Diego metropolitan area.
Laguna 1,370,232 A city located in Orange County, California.
Contra Costa County 1,152,333 County in California, United States
San Jose 1,013,616 The tenth most populous city in the United States and the center of the San Jose metropolitan area.
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