Rancho San Diego, California

Rancho San Diego is a census-designated place (CDP) in the East County region of San Diego County, California. The population was 21,858 at the 2020 census, up from 21,208 at the 2010 census. The area was developed as subdivisions beginning in the 1970s.^[4]

Rancho San Diego
Census designated place
Location in San Diego County and the state of California
Rancho San Diego Location in the United States
Coordinates: 32°45′58″N 116°55′17″W
Country	United States
State	California
County	San Diego
County service area established	1970[1]
Area [2]
• Total	8.701 sq mi (22.536 km2)
• Land	8.701 sq mi (22.536 km2)
• Water	0 sq mi (0 km2)  0%
Elevation [3]	361 ft (110 m)
Population  (April 1, 2020)
• Total	21,858
• Density	2,500/sq mi (970/km2)
Time zone	UTC-8 (Pacific)
• Summer (DST)	UTC-7 (PDT)
ZIP codes	91941, 91978, 92019
Area code	619
FIPS code	06-59550
GNIS feature ID	1867053

Geography

Rancho San Diego is located at 32°45′58″N 116°55′17″W (32.765985, -116.921477).^[5] According to the United States Census Bureau, the CDP has a total area of 8.7 square miles (23 km²), all land. The chance of earthquake damage in Rancho San Diego is much lower than California average and is much higher than the national average. The risk of tornado damage in Rancho San Diego is about the same as California average and is much lower than the national average. The average temperature of Rancho San Diego is 64.73 °F.

Climate

According to the Köppen climate classification system, Rancho San Diego has a warm-summer Mediterranean climate, abbreviated "Csa" on climate maps.^[6]

Demographics

The residents of Rancho San Diego are upper-middle-income, making it an above-average-income community. Rancho San Diego has a higher income than 64.4% of the neighborhoods in America. 28.7% of its working population is employed in executive, management, and professional occupations. The most common language spoken in Rancho San Diego is English, spoken by 72.2% of households. Other important languages spoken here include Arabic, Aramaic, and Spanish.^{[citation needed]}

2020

The 2020 United States census reported that Rancho San Diego had a population of 21,858. The population density was 2,513.6 inhabitants per square mile (970.5/km²). The racial makeup of Rancho San Diego was 74.9% White, 3.4% African American, 0.7% Native American, 4.2% Asian, 0.3% Pacific Islander, 5.2% from other races, and 11.3% from two or more races. Hispanic or Latino of any race were 16.4% of the population.^[7]

The census reported that 99.5% of the population lived in households, 0.4% lived in non-institutionalized group quarters, and 0.1% were institutionalized.^[7]

There were 7,854 households, out of which 31.5% included children under the age of 18, 58.4% were married-couple households, 3.9% were cohabiting couple households, 24.2% had a female householder with no partner present, and 13.5% had a male householder with no partner present. 20.6% of households were one person, and 11.5% were one person aged 65 or older. The average household size was 2.77.^[7] There were 5,865 families (74.7% of all households).^[8]

The age distribution was 20.7% under the age of 18, 8.4% aged 18 to 24, 23.3% aged 25 to 44, 27.2% aged 45 to 64, and 20.5% who were 65 years of age or older. The median age was 42.7 years. For every 100 females, there were 95.4 males.^[7]

There were 8,138 housing units at an average density of 935.8 units per square mile (361.3 units/km²), of which 7,854 (96.5%) were occupied. Of these, 69.7% were owner-occupied, and 30.3% were occupied by renters.^[7]

In 2023, the US Census Bureau estimated that of those aged 25 or older, 92.8% were high school graduates and 44.5% had a bachelor's degree.^[9]

The median household income in 2023 was $118,431, and the per capita income was $55,280. About 6.6% of families and 6.9% of the population were below the poverty line.^[10]

2010

The census reported that 21,164 people (99.8% of the population) lived in households, 44 (0.2%) lived in non-institutionalized group quarters, and no one was institutionalized.

There were 7,830 households, 2,659 (34.0%) had children under the age of 18 living in them, 4,605 (58.8%) were opposite-sex married couples living together, 834 (10.7%) had a female householder with no husband present, 330 (4.2%) had a male householder with no wife present. There were 311 (4.0%) unmarried opposite-sex partnerships, and 62 (0.8%) same-sex married couples or partnerships. 1,653 households (21.1%) were one person and 713 (9.1%) had someone living alone who was 65 or older. The average household size was 2.70. There were 5,769 families (73.7% of households); the average family size was 3.16.

The age distribution was 4,681 people (22.1%) under the age of 18, 2,124 people (10%) aged 18 to 24, 4,867 people (22.9%) aged 25 to 44, 6,688 people (31.5%) aged 45 to 64, and 2,848 people (13.4%) who were 65 or older. The median age was 41.2 years. For every 100 females, there were 94.1 males. For every 100 females age 18 and over, there were 91.3 males.

There were 8,152 housing units at an average density of 936.9 per square mile, of the occupied units 5,580 (71.3%) were owner-occupied and 2,250 (28.7%) were rented. The homeowner vacancy rate was 0.8%; the rental vacancy rate was 6.5%. 15,530 people (73.2% of the population) lived in owner-occupied housing units and 5,634 people (26.6%) lived in rental housing units.

Historical population

Census	Pop.	Note	%±
2000	20,155		—
2010	21,208		5.2%
2020	21,858		3.1%
U.S. Decennial Census[11]

Estimated median household income in 2011: $83,458 (it was $68,185 in 2000). Mean prices in 2011: All housing units: $620,385; Detached houses: $699,869; Townhouses or other attached units: $348,104; In 2-unit structures: $299,548; In 3-to-4-unit structures: $275,297; In 5-or-more-unit structures: $277,349; Mobile homes: $93,180 Median household income for houses/condos with a mortgage: $107,787 Median household income for apartments without a mortgage: $69,528 Median gross rent in 2011: $1,614.

Government

In the California State Legislature, Rancho San Diego is in the 38th senatorial district, represented by Democrat Catherine Blakespear, and in the 71st Assembly district, represented by Republican Kate Sanchez.^[12]

In the United States House of Representatives, Rancho San Diego is in California's 50th congressional district, represented by Democrat Scott Peters.^[13]

County Service Area No. 26 (Rancho San Diego) provides landscape and open-space maintenance.^[1]

Schools

Rancho San Diego is served by Cajon Valley Union School District and Grossmont Union High School District.

Steele Canyon High School and Valhalla High School are the primary high schools in this location.

Rancho San Diego is also home to Cuyamaca College, as well as Kumeyaay Community College.