San Antonio Heights is a census-designated place (CDP) in the San Bernardino County, California. It is in the northern Pomona Valley and the foothills of the San Gabriel Mountains. The population was 3,441 at the 2020 census, up from 3,371 at the 2010 census.
Geography
San Antonio Heights is an area located at (34.153008, -117.661433). The area is north of the city of Upland.
According to the United States Census Bureau, the CDP has a total area of . of it is land and of it (6.18%) is water.
Climate
This region experiences hot, dry summers and mild, rainy winters, receiving more rainfall than most areas in Metro Los Angeles due to being situated in the upslope foothill regions and experiencing orographic effects which increase precipitation. According to the Köppen Climate Classification system, San Antonio Heights has a hot-summer Mediterranean climate, abbreviated "Csa" on climate maps.
Demographics
San Antonio Heights was first listed as a census designated place in the 1990 U.S. census.
99.4% of residents lived in urban areas, while 0.6% lived in rural areas.
{| class="wikitable"
|+ Racial composition as of the 2020 census
! Race !! Number !! Percent
|-
| White || 2,195 || 63.8%
|-
| Black or African American || 75 || 2.2%
|-
| American Indian and Alaska Native || 28 || 0.8%
|-
| Asian || 342 || 9.9%
|-
| Native Hawaiian and Other Pacific Islander || 4 || 0.1%
|-
| Some other race || 313 || 9.1%
|-
| Two or more races || 484 || 14.1%
|-
| Hispanic or Latino (of any race) || 858 || 24.9%
|}
The census reported that 98.5% of the population lived in households, 1.3% lived in non-institutionalized group quarters, and 0.2% were institutionalized.
There were 1,268 housing units at an average density of , of which 1,222 (96.4%) were occupied. Of these, 84.1% were owner-occupied, and 15.9% were occupied by renters. Of all housing units, 3.6% were vacant; the homeowner vacancy rate was 0.8% and the rental vacancy rate was 0.5%.
2010 census
The 2010 United States census reported that San Antonio Heights had a population of 3,371. The population density was . The racial makeup of San Antonio Heights was 2,765 (82.0%) White (69.3% Non-Hispanic White), 67 (2.0%) African American, 24 (0.7%) Native American, 284 (8.4%) Asian, 15 (0.4%) Pacific Islander, 115 (3.4%) from other races, and 101 (3.0%) from two or more races. Hispanic or Latino of any race were 612 persons (18.2%).
The Census reported that 3,358 people (99.6% of the population) lived in households, 13 (0.4%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
There were 1,198 households, out of which 390 (32.6%) had children under the age of 18 living in them, 786 (65.6%) were opposite-sex married couples living together, 94 (7.8%) had a female householder with no husband present, 75 (6.3%) had a male householder with no wife present. There were 53 (4.4%) unmarried opposite-sex partnerships, and 17 (1.4%) same-sex married couples or partnerships. 175 households (14.6%) were made up of individuals, and 88 (7.3%) had someone living alone who was 65 years of age or older. The average household size was 2.80. There were 955 families (79.7% of all households); the average family size was 3.08.
The population was spread out, with 700 people (20.8%) under the age of 18, 281 people (8.3%) aged 18 to 24, 639 people (19.0%) aged 25 to 44, 1,182 people (35.1%) aged 45 to 64, and 569 people (16.9%) who were 65 years of age or older. The median age was 46.3 years. For every 100 females, there were 101.1 males. For every 100 females age 18 and over, there were 102.2 males.
There were 1,239 housing units at an average density of , of which 1,004 (83.8%) were owner-occupied, and 194 (16.2%) were occupied by renters. The homeowner vacancy rate was 0.8%; the rental vacancy rate was 5.4%. 2,851 people (84.6% of the population) lived in owner-occupied housing units and 507 people (15.0%) lived in rental housing units.
According to the 2010 United States Census, San Antonio Heights had a median household income of $106,905, with 2.9% of the population living below the federal poverty line.
In the United States House of Representatives, San Antonio Heights is in .
Education
It is in the Upland Unified School District<!--UNI 00016-->.