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Glenn County, California facts for kids

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Glenn County, California
County of Glenn
Northbound Interstate 5 California.jpg
Willows, California.jpg
Gianella Bridge, Spanning Sacramento River at State Highway 32, Hamilton City vicinity (Glenn County, California).jpg
Images, from top down, left to right: A view from Interstate 5 in Glenn County, a scene in Willows, Gianella Bridge
Official seal of Glenn County, California
Location in the state of California
Location in the state of California
Country United States
State California
Region Sacramento Valley
Incorporated 1891
Named for Hugh J. Glenn
County seat Willows
Largest city Orland
 • Total 1,327 sq mi (3,440 km2)
 • Land 1,314 sq mi (3,400 km2)
 • Water 13 sq mi (30 km2)
Highest elevation
7,451 ft (2,271 m)
 • Total 28,122
 • Estimate 
 • Density 21.192/sq mi (8.182/km2)
Time zone UTC−8 (Pacific Standard Time)
 • Summer (DST) UTC−7 (Pacific Daylight Time)
Area code 530
FIPS code 06-021
GNIS feature ID 277275
Website Glenn County, California

Glenn County is a county located in the U.S. state of California. As of the 2010 census, the population was 28,122. The county seat is Willows. It is located in the Sacramento Valley, in the northern part of the California Central Valley. The Grindstone Rancheria, reservation of the Grindstone Indian Rancheria of Wintun-Wailaki Indians, is located in Glenn County.


Glenn County was formed in 1891 from parts of Colusa County. It was named for Hugh J. Glenn, who was the largest wheat farmer in the state during his lifetime, and a man of great prominence in political and commercial life in California.


According to the U.S. Census Bureau, the county has a total area of 1,327 square miles (3,440 km2), of which 1,314 square miles (3,400 km2) is land and 13 square miles (34 km2) (1.0%) is water.

Adjacent counties

National protected areas



Places by population, race, and income


Historical population
Census Pop.
1900 5,150
1910 7,172 39.3%
1920 11,853 65.3%
1930 10,935 −7.7%
1940 12,195 11.5%
1950 15,448 26.7%
1960 17,245 11.6%
1970 17,521 1.6%
1980 21,350 21.9%
1990 24,798 16.1%
2000 26,453 6.7%
2010 28,122 6.3%
2019 (est.) 28,393 1.0%
U.S. Decennial Census
1790–1960 1900–1990
1990–2000 2010–2015

The 2010 United States Census reported that Glenn County had a population of 28,122. The racial makeup of Glenn County was 19,990 (71.1%) White, 231 (0.8%) African American, 619 (2.2%) Native American, 722 (2.6%) Asian, 24 (0.1%) Pacific Islander, 5,522 (19.6%) from other races, and 1,014 (3.6%) from two or more races. Hispanic or Latino of any race were 10,539 persons (37.5%).


As of the census of 2000, there were 26,453 people, 9,172 households, and 6,732 families residing in the county. The population density was 20 people per square mile (8/km2). There were 9,982 housing units at an average density of 8 per square mile (3/km2). The racial makeup of the county was 71.8% White, 0.6% Black or African American, 2.1% Native American, 3.4% Asian, 0.1% Pacific Islander, 18.2% from other races, and 3.9% from two or more races. 29.6% of the population were Hispanic or Latino of any race. 10.8% were of German, 9.4% American, 6.2% English and 5.9% Irish ancestry according to Census 2000. 69.5% spoke English, 27.0% Spanish and 2.1% Hmong as their first language.

There were 9,172 households, out of which 38.1% had children under the age of 18 living with them, 56.7% were married couples living together, 10.9% had a female householder with no husband present, and 26.6% were non-families. 22.0% of all households were made up of individuals, and 10.7% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.33.

In the county, the population was spread out, with 30.8% under the age of 18, 8.7% from 18 to 24, 26.8% from 25 to 44, 20.7% from 45 to 64, and 13.0% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 102.2 males. For every 100 females age 18 and over, there were 99.5 males.

The median income for a household in the county was $32,107, and the median income for a family was $37,023. Males had a median income of $29,480 versus $21,766 for females. The per capita income for the county was $14,069. About 12.5% of families and 18.1% of the population were below the poverty line, including 26.3% of those under age 18 and 7.6% of those age 65 or over.


Major highways

  • Interstate 5
  • State Route 32
  • State Route 45
  • State Route 162

Public transportation

Glenn Ride runs buses from Willows to Hamilton City, and on into Chico (Butte County). The nearest Amtrak station is in Chico.


Willows-Glenn County Airport and Haigh Field are both general aviation airports.


California Northern Railroad shortline serves Willows. The main line runs north to Tehama and south to Davis, where the railroad interchanges with the Union Pacific Railroad. Prior to the line being leased to the California Northern, the route was operated by Southern Pacific and was known as the West Side Line. The railroad first reached Willows on December 28, 1879, from Davis. In 1882 the extension from Willows to Tehama was completed. In 1884 the West Side and Mendocino Railroad constructed a line east from Willows to Fruto.



Census-designated places

Other communities

Population ranking

The population ranking of the following table is based on the 2010 census of Glenn County.

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Orland City 7,291
2 Willows City 6,166
3 Hamilton City CDP 1,759
4 Artois CDP 295
5 Grindstone Rancheria AIAN 164
6 Elk Creek CDP 163
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