Thermalito, California

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 , of which is land and (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

Thermolito first appeared as an unincorporated community in the 1970 U.S. census;

!Pop 2010

!style="background-color: #ffffb3;" |Pop 2020

!% 2000

!% 2010

!style="background-color: #ffffb3;" |% 2020

|White alone (NH)

|4,467

|4,280

|style='background: #ffffe6; |4,195

|73.90%

|64.40%

|style='background: #ffffe6; |58.28%

|Black or African American alone (NH)

|25

|57

|style='background: #ffffe6; |72

|0.41%

|0.86%

|style='background: #ffffe6; |1.00%

|Native American or Alaska Native alone (NH)

|165

|220

|style='background: #ffffe6; |202

|2.73%

|3.31%

|style='background: #ffffe6; |2.81%

|Asian alone (NH)

|635

|1,098

|style='background: #ffffe6; |1,429

|10.50%

|16.52%

|style='background: #ffffe6; |19.85%

|Native Hawaiian or Pacific Islander alone (NH)

|11

|30

|style='background: #ffffe6; |17

|0.18%

|0.45%

|style='background: #ffffe6; |0.24%

|Other race alone (NH)

|style='background: #ffffe6; |32

|0.07%

|0.08%

|style='background: #ffffe6; |0.44%

|Mixed race or Multiracial (NH)

|273

|243

|style='background: #ffffe6; |447

|4.52%

|3.66%

|style='background: #ffffe6; |6.21%

|Hispanic or Latino (any race)

|465

|713

|style='background: #ffffe6; |804

|7.69%

|10.73%

|style='background: #ffffe6; |11.17%

|Total

|6,045

|6,646

|style='background: #ffffe6; |7,198

|100.00%

|style='background: #ffffe6; |100.00%

2020 census

As of the 2020 census, Thermalito had a population of 7,198 and a population density of . 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, and for every 100 females age 18 and over, there were 100.1 males.

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

There were 2,573 housing units at an average density of , of which 2,430 (94.4%) were occupied. Of these, 68.5% were owner-occupied, and 31.5% were occupied by renters. The homeowner vacancy rate was 1.2% and the rental vacancy rate was 4.4%.

2010

At the 2010 census Thermalito had a population of 6,646. The population density was . 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 , 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 Thermalito is within 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.