Thornton, California

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census-designated place
Thornton is located in California
Coordinates: 38°13′34″N 121°25′29″W / 38.22611°N 121.42472°W / 38.22611; -121.42472Coordinates: 38°13′34″N 121°25′29″W / 38.22611°N 121.42472°W / 38.22611; -121.42472
Country United States
State California
County San Joaquin
 • Total 2.155 sq mi (5.580 km2)
 • Land 2.127 sq mi (5.508 km2)
 • Water 0.028 sq mi (0.072 km2)  1.30%
Elevation 13 ft (4 m)
Population (2010)
 • Total 1,131
 • Density 520/sq mi (200/km2)
Time zone Pacific (PST) (UTC-8)
 • Summer (DST) PDT (UTC-7)
ZIP code 95686
Area code(s) 209
GNIS feature IDs 236291; 2628795
U.S. Geological Survey Geographic Names Information System: Thornton, California; U.S. Geological Survey Geographic Names Information System: Thornton, California

Thornton is a census-designated place (CDP) in San Joaquin County, California, United States.[2] Thornton is located along Interstate 5 7 miles (11 km) west-southwest of Galt. Thornton has a post office with ZIP code 95686.[3]


According to the United States Census Bureau, the CDP covers an area of 2.2 square miles (5.6 km²), 98.70% of it land, and 1.30% of it water.


The 2010 United States Census[4] reported that Thornton had a population of 1,131. The population density was 524.9 people per square mile (202.7/km²). The racial makeup of Thornton was 554 (49.0%) White, 43 (3.8%) African American, 3 (0.3%) Native American, 45 (4.0%) Asian, 1 (0.1%) Pacific Islander, 443 (39.2%) from other races, and 42 (3.7%) from two or more races. Hispanic or Latino of any race were 770 persons (68.1%).

The Census reported that 1,131 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.

There were 310 households, out of which 166 (53.5%) had children under the age of 18 living in them, 175 (56.5%) were opposite-sex married couples living together, 58 (18.7%) had a female householder with no husband present, 15 (4.8%) had a male householder with no wife present. There were 17 (5.5%) unmarried opposite-sex partnerships, and 5 (1.6%) same-sex married couples or partnerships. 45 households (14.5%) were made up of individuals and 21 (6.8%) had someone living alone who was 65 years of age or older. The average household size was 3.65. There were 248 families (80.0% of all households); the average family size was 4.10.

The population was spread out with 404 people (35.7%) under the age of 18, 112 people (9.9%) aged 18 to 24, 259 people (22.9%) aged 25 to 44, 259 people (22.9%) aged 45 to 64, and 97 people (8.6%) who were 65 years of age or older. The median age was 28.6 years. For every 100 females there were 95.0 males. For every 100 females age 18 and over, there were 89.8 males.

There were 326 housing units at an average density of 151.3 per square mile (58.4/km²), of which 134 (43.2%) were owner-occupied, and 176 (56.8%) were occupied by renters. The homeowner vacancy rate was 0.7%; the rental vacancy rate was 3.8%. 426 people (37.7% of the population) lived in owner-occupied housing units and 705 people (62.3%) lived in rental housing units.


  1. ^ U.S. Census
  2. ^ U.S. Geological Survey Geographic Names Information System: Thornton, California
  3. ^ ZIP Code Lookup
  4. ^ All data are derived from the United States Census Bureau reports from the 2010 United States Census, and are accessible on-line here. The data on unmarried partnerships and same-sex married couples are from the Census report DEC_10_SF1_PCT15. All other housing and population data are from Census report DEC_10_DP_DPDP1. Both reports are viewable online or downloadable in a zip file containing a comma-delimited data file. The area data, from which densities are calculated, are available on-line here. Percentage totals may not add to 100% due to rounding. The Census Bureau defines families as a household containing one or more people related to the householder by birth, opposite-sex marriage, or adoption. People living in group quarters are tabulated by the Census Bureau as neither owners nor renters. For further details, see the text files accompanying the data files containing the Census reports mentioned above.