Sierra County, California
Sierra County: County in California, United States
About
Sierra County is a county located in the U.S. state of California. As of the 2010 census, the population was 3,240 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 2,920 inhabitants. Its county seat is Downieville. The county was created 173 years ago in 1851.
Quick Facts about Sierra County
| Population : | 2,920 (2020) |
| Country : | United States of America |
| State : | California (United States) |
| Different from : | Sierra County |
| Area : | 2491 km2 |
| Water as percent of area : | 0.89% |
| Land as percent of area : | 99.11% |
| Named for : | Sierra Nevada |
| Capital : | Downieville |
| Establishment : | January 01, 1852 |
| Time Zone : | America/Los_Angeles |
| Local time : | 22:04:22 (22nd February 2025) |
| Density : | 1 Pop. per km² as of 2020 |
| Population growth : | -10.96% (2010-2020) |
Geography
Sierra County is located at 39°34'49"N 120°30'58"W (39.5804000, -120.5160000). It has 5 neighbors: Nevada County, Plumas County, Yuba County, Lassen County and Washoe County.
Sierra County map
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The largest city of Sierra County is Loyalton with a population of 680. . See all Sierra County cities & populated places.
Sierra County Populated Places
Cities, towns, neighborhoods & other populated places in Sierra County.
| City Name | Population | Title |
|---|---|---|
| Loyalton | 680 | City in Sierra County, California, United States |
- Official Website
Official website of Sierra County
Sierra County has 5 neighbours.
- Nevada County county in California, United States
- Plumas County county in the Sierra Nevada, California, United States
- Yuba County county in California, United States
- Lassen County county in California, United States
- Washoe County county in Nevada, United States
Demographics
According to census records, the population of Sierra County decreased by 10.96% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 3,240 | - | census |
| 2011 | 3,098 | -4.58% | estimation process |
| 2012 | 3,067 | -1.01% | estimation process |
| 2013 | 3,028 | -1.29% | estimation process |
| 2014 | 2,972 | -1.88% | estimation process |
| 2015 | 2,985 | 0.44% | estimation process |
| 2016 | 2,951 | -1.15% | estimation process |
| 2017 | 3,002 | 1.7% | estimation process |
| 2018 | 2,997 | -0.17% | estimation process |
| 2019 | 3,005 | 0.27% | estimation process |
| 2020 | 2,920 | -2.91% | estimation process |
Other places with the same name (2)
- Sierra County , New Mexico county in New Mexico, United States with a population of 10,867 people.
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 |
