Thermalito, California

Thermalito
Census designated place
Location in Butte County and the state of California
Thermalito Location in the United States
Coordinates: 39°30′41″N 121°35′13″W
Country	United States
State	California
County	Butte
Government
• State senator	Marie Alvarado-Gil (R)
• Assemblymember	James Gallagher (R)
• U. S. rep.	Doug LaMalfa (R)
Area
• Total	12.896 sq mi (33.399 km2)
• Land	12.728 sq mi (32.965 km2)
• Water	0.168 sq mi (0.434 km2)  1.30%
Elevation	223 ft (68 m)
Population  (2020)
• Total	7,198
• Density	560/sq mi (220/km2)
Time zone	UTC-8 (Pacific)
• Summer (DST)	UTC-7 (PDT)
ZIP code	95965
Area code	530, 837
FIPS code	06-78470
GNIS feature ID	1659991

Thermalito (Spanish for "Small Thermal") is a census-designated place (CDP) in Butte County, California, United States. The population was 7,198 at the 2020 census, up from 6,646 at the 2010 census. The area is generally considered an integral part of Oroville, and borders the town on two sides, in addition to the near-enclave of the city of Oroville surrounded by Thermalito on all sides, with the exception of the extremely narrow spit of land connecting Afterbay to Oroville proper.

Geography

According to the United States Census Bureau, the CDP has a total area of 12.9 square miles (33 km²), of which, 12.7 square miles (33 km²) of it is land and 0.17 square miles (0.44 km²) of it (1.30%) is water.

Climate

According to the Köppen Climate Classification system, Thermalito has a warm-summer Mediterranean climate, abbreviated "Csa" on climate maps.

Thermalito trail

The Thermalito Trail is a trail located in Thermalito. It passes through the Kilkare Canyon.

History

A post office operated in Thermalito from 1895 to 1920.

Demographics

Historical population

Census	Pop.	Note	%±
1970	4,217		—
1980	4,961		17.6%
1990	5,646		13.8%
2000	6,045		7.1%
2010	6,646		9.9%
2020	7,198		8.3%
U.S. Decennial Census 1860–1870 1880-1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010

2020

The 2020 United States census reported that Thermalito had a population of 7,198. The population density was 565.5 inhabitants per square mile (218.3/km²). The racial makeup of Thermalito was 61.7% White, 1.0% African American, 3.1% Native American, 19.9% Asian, 0.2% Pacific Islander, 4.2% from other races, and 9.8% from two or more races. Hispanic or Latino of any race were 11.2% of the population.

The census reported that 99.5% of the population lived in households, 0.5% lived in non-institutionalized group quarters, and no one was institutionalized.

There were 2,430 households, out of which 31.6% included children under the age of 18, 40.9% were married-couple households, 11.3% were cohabiting couple households, 26.5% had a female householder with no partner present, and 21.2% had a male householder with no partner present. 23.4% of households were one person, and 12.1% were one person aged 65 or older. The average household size was 2.95. There were 1,629 families (67.0% of all households).

The age distribution was 23.1% under the age of 18, 8.2% aged 18 to 24, 25.9% aged 25 to 44, 25.3% aged 45 to 64, and 17.4% who were 65 years of age or older. The median age was 38.5 years. For every 100 females, there were 101.5 males.

There were 2,573 housing units at an average density of 202.2 units per square mile (78.1 units/km²), of which 2,430 (94.4%) were occupied. Of these, 68.5% were owner-occupied, and 31.5% were occupied by renters.

In 2023, the US Census Bureau estimated that the median household income was $53,814, and the per capita income was $30,480. About 8.9% of families and 17.2% of the population were below the poverty line.

2010

At the 2010 census Thermalito had a population of 6,646. The population density was 516.4 inhabitants per square mile (199.4/km²). The racial makeup of Thermalito was 4,594 (69.1%) White, 61 (0.9%) African American, 257 (3.9%) Native American, 1,102 (16.6%) Asian, 37 (0.6%) Pacific Islander, 270 (4.1%) from other races, and 325 (4.9%) from two or more races. Hispanic or Latino of any race were 713 people (10.7%).

The census reported that 6,556 people (98.6% of the population) lived in households, 52 (0.8%) lived in non-institutionalized group quarters, and 38 (0.6%) were institutionalized.

There were 2,263 households, 794 (35.1%) had children under the age of 18 living in them, 1,038 (45.9%) were opposite-sex married couples living together, 332 (14.7%) had a female householder with no husband present, 190 (8.4%) had a male householder with no wife present. There were 190 (8.4%) unmarried opposite-sex partnerships, and 12 (0.5%) same-sex married couples or partnerships. 550 households (24.3%) were one person and 246 (10.9%) had someone living alone who was 65 or older. The average household size was 2.90. There were 1,560 families (68.9% of households); the average family size was 3.44.

The age distribution was 1,748 people (26.3%) under the age of 18, 691 people (10.4%) aged 18 to 24, 1,458 people (21.9%) aged 25 to 44, 1,754 people (26.4%) aged 45 to 64, and 995 people (15.0%) who were 65 or older. The median age was 37.0 years. For every 100 females, there were 100.4 males. For every 100 females age 18 and over, there were 98.9 males.

There were 2,447 housing units at an average density of 190.1 per square mile (73.4/km²), of which 2,263 were occupied, 1,522 (67.3%) by the owners and 741 (32.7%) by renters. The homeowner vacancy rate was 3.2%; the rental vacancy rate was 5.7%. 4,227 people (63.6% of the population) lived in owner-occupied housing units and 2,329 people (35.0%) lived in rental housing units.

Education

Most of it is in the Thermalito Union School District and the Oroville Union High School District, while a piece extends into the Biggs Unified School District.

Most high school students in Thermalito attend Oroville High School.

See also

• Oroville-Thermalito Complex