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Sierra County, California
County of Sierra
Downieville, California, at Main and Commercial St., looking south.jpg
Conifer forest edit.jpg
Stampede Dam.jpeg
Images, from top down, left to right: Downieville, Conifer forest in the Tahoe National Forest, Stampede Dam
Official seal of Sierra County, California
Seal
Location in the state of California
Location in the state of California
Country  United States
State  California
Region Sierra Nevada
Incorporated April 16, 1852
Named for Sierra Nevada
County seat Downieville
Largest city Loyalton
Government
 • Type Council–Manager
Area
 • Total 962 sq mi (2,490 km2)
 • Land 953 sq mi (2,470 km2)
 • Water 9 sq mi (20 km2)
Highest elevation
8,844 ft (2,696 m)
Population
 • Total 3,236
 • Density 3.3638/sq mi (1.2988/km2)
GDP
 • Total $0.114 billion (2022)
Time zone UTC-8 (Pacific Standard Time)
 • Summer (DST) UTC-7 (Pacific Daylight Time)
Area code(s) 530
Congressional district 3rd

Sierra County is a county in the state of California. As of 2020, about 3,236 people lived there. This makes it California's second-smallest county by population. The main town, or county seat, is Downieville. The only official city is Loyalton. Sierra County is located in the Sierra Nevada mountains, near the border with Nevada.

History of Sierra County

Sierra County was created in 1852 from parts of Yuba County. It got its name from the Sierra Nevada mountain range.

Before the California Gold Rush, the Maidu and Washoe tribes lived in this area. They would spend summers in the mountains to hunt and fish. In winter, they moved to lower areas.

Gold Rush Days

When gold was found in California, many miners came to Sierra County. Between 1848 and 1860, over 16,000 miners settled here. Most mining towns grew along the North and Middle Forks of the Yuba River. These rivers had lots of gold. Some towns disappeared when the gold ran out. But others, like Downieville and Sierra City, are still around today.

Some very large gold nuggets were found in the county. Sailors found a 26.5-pound nugget near Downieville. In 1853, a group of Frenchmen found a 51-pound nugget. The huge 106-pound Monumental Nugget was discovered in 1869 near Sierra City.

The Bald Mountain drift mine in Forest City started in 1864. It was the biggest of its kind back then. The Sierra Buttes Gold Mine, a large quartz mine, began in 1850 near Sierra City. By 1880, the county had many mines and long water ditches for mining.

Geography and Nature

Sierra County California United States 2023 June 01
Sierra County, California, near Plumas National Forest

Sierra County covers about 962 square miles. Most of this is land, with 9 square miles of water. The county is in the Sierra Nevada mountains. It has many different landscapes, from tall mountains to thick forests. There are also many lakes and streams. This area is great for hiking, fishing, and hunting.

Neighboring Counties

Sierra County shares borders with these other counties:

Protected Natural Areas

Parts of these national forests are in Sierra County:

Getting Around

Sierra County has only one traffic light! It's a flashing red light where highways 49 and 89 meet. It was removed for a while after an accident but put back in 2008.

Main Roads

Local Roads

  • Sierra County Route A23 CA.svg County Route A23
  • Sierra County Route A24 CA.svg County Route A24
  • Henness Pass Road
  • Stampede Dam Road
  • Gold Lake Road/Highway

Public Transportation

Public transportation is limited. Senior citizen groups in Downieville and Loyalton run vans. Other people can ride if there's space.

Airport

The Sierraville-Dearwater Field Airport is a small airport near Sierraville. For bigger flights, the closest major airport is in Reno.

People of Sierra County

Historical population
Census Pop.
1860 11,387
1870 5,619 −50.7%
1880 6,623 17.9%
1890 5,051 −23.7%
1900 4,017 −20.5%
1910 4,098 2.0%
1920 1,783 −56.5%
1930 2,422 35.8%
1940 3,025 24.9%
1950 2,410 −20.3%
1960 2,247 −6.8%
1970 2,365 5.3%
1980 3,073 29.9%
1990 3,318 8.0%
2000 3,555 7.1%
2010 3,240 −8.9%
2020 3,236 −0.1%
2023 (est.) 3,200 −1.2%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010 2020

Population in 2020

In 2020, Sierra County had 3,236 people.

Sierra County, California – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 2000 Pop 2010 Pop 2020 % 2000 % 2010 % 2020
White alone (NH) 3,210 2,855 2,615 90.30% 88.12% 80.81%
Black or African American alone (NH) 6 5 7 0.17% 0.15% 0.22%
Native American or Alaska Native alone (NH) 56 41 18 1.58% 1.27% 0.56%
Asian alone (NH) 5 12 7 0.14% 0.37% 0.22%
Pacific Islander alone (NH) 3 2 1 0.08% 0.06% 0.03%
Other Race alone (NH) 2 1 25 0.06% 0.03% 0.77%
Mixed Race or Multi-Racial (NH) 60 55 186 1.69% 1.70% 5.75%
Hispanic or Latino (any race) 213 269 377 5.99% 8.30% 11.65%
Total 3,555 3,240 3,236 100.00% 100.00% 100.00%

Ancestry Groups (2015)

In 2015, the largest groups of people by ancestry in Sierra County were:

Largest ancestries (2015) Percent
English England 19.0%
German Germany 18.2%
"American" United States 16.1%
Scottish Scotland 6.4%
Italian Italy 5.9%
Polish Poland 4.6%
Portuguese Portugal 4.0%
Swiss Switzerland 3.6%
Swedish Sweden 3.2%
French France 3.1%

Local News

Sierra County has two old newspapers.

The Sierra Booster covers the Sierra Valley region. It has been published twice a week since 1949. It was started by Hal Wright and his wife Allene. Their daughter Janice Wright Buck runs it today.

The other paper is Mountain Messenger. It is based in Downieville. This newspaper has been printed without stopping since 1853. It is the longest-running weekly newspaper in California. A famous writer, Mark Twain, used to write for it. He was using his real name, Samuel Clemens, at the time.

In 2020, the future of The Mountain Messenger was uncertain. The owner, Don Russell, retired after 30 years. But a local retiree, Carl Butz, bought the paper and keeps it going. The paper is printed every Thursday in Quincy. It is delivered across Sierra, eastern Plumas, and western Nevada counties.

Education

  • Sierra-Plumas Joint Unified School District

Towns and Communities

City

Census-Designated Places (CDPs)

These are areas that are like towns but are not officially incorporated as cities.

Other Communities

These are smaller places that are not officially cities or CDPs.

Ghost Towns

These are towns that used to exist but are now abandoned.

  • Eureka City
  • Howland Flat
  • Pine Grove
  • Poker Flat
  • Potosi
  • Shady Flat

Population Ranking (2010 Census)

This table shows the population of the main communities in Sierra County based on the 2010 census.

county seat

Rank City/Town/etc. Type Population (2010 Census)
1 Loyalton City 769
2 Sierra Brooks CDP 478
3 Downieville CDP 282
4 Sierra City CDP 221
5 Calpine CDP 205
6 Sierraville CDP 200
7 Verdi CDP 162
8 Pike CDP 134
9 Goodyears Bar CDP 68
10 Alleghany CDP 58
11 Sattley CDP 49

See also

Kids robot.svg In Spanish: Condado de Sierra (California) para niños

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