Rancho San Diego, California
Rancho San Diego | |
|---|---|
 Rancho San Diego Library view of San Miguel Mountain. | |
 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 / 32.76611°N 116.92139°W | |
| Country |  United States |
| State |  California |
| County | San Diego |
| County service area established | 1970[1] |
| Area | |
• Total | 8.697 sq mi (22.524 km2) |
| • Land | 8.697 sq mi (22.524 km2) |
| • Water | 0 sq mi (0 km2) 0% |
| Elevation | 360 ft (110 m) |
| Population | |
• Total | 21,858 |
| • Density | 2,513.4/sq mi (970.43/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 |
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]
Geography
[edit]Rancho San Diego is located at 32°45′58″N 116°55′17″W / 32.76611°N 116.92139°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
[edit]According to the Köppen climate classification system, Rancho San Diego has a warm-summer Mediterranean climate, abbreviated "Csa" on climate maps.[6]
Demographics
[edit]| Census | Pop. | Note | %± |
|---|---|---|---|
| 1990 | 6,977 | — | |
| 2000 | 20,155 | 188.9% | |
| 2010 | 21,208 | 5.2% | |
| 2020 | 21,858 | 3.1% | |
| U.S. Decennial Census[7] 1860–1870[8][9] 1880-1890[10] 1900[11] 1910[12] 1920[13] 1930[14] 1940[15] 1950[16] 1960[17][18] 1970[19] 1980[20] 1990[21] 2000[22] 2010[23] 2020 | |||
Rancho San Diego was first listed as a census designated place in the 1990 U.S. census.[21]
Racial and ethnic composition
[edit]| Race / Ethnicity (NH = Non-Hispanic) | Pop 2000[24] | Pop 2010[25] | Pop 2020[26] | % 2000 | % 2010 | % 2020 |
|---|---|---|---|---|---|---|
| White alone (NH) | 15,583 | 15,503 | 15,464 | 77.32% | 73.10% | 70.75% |
| Black or African American alone (NH) | 635 | 776 | 694 | 3.15% | 3.66% | 3.18% |
| Native American or Alaska Native alone (NH) | 79 | 63 | 73 | 0.39% | 0.30% | 0.33% |
| Asian alone (NH) | 799 | 894 | 871 | 3.96% | 4.22% | 3.98% |
| Native Hawaiian or Pacific Islander alone (NH) | 52 | 45 | 58 | 0.26% | 0.21% | 0.27% |
| Other race alone (NH) | 53 | 41 | 90 | 0.26% | 0.19% | 0.41% |
| Mixed race or Multiracial (NH) | 777 | 769 | 1,033 | 3.86% | 3.63% | 4.73% |
| Hispanic or Latino (any race) | 2,177 | 3,117 | 3,575 | 10.80% | 14.70% | 16.36% |
| Total | 20,155 | 21,208 | 21,858 | 100.00% | 100.00% | 100.00% |
2020 census
[edit]As of the 2020 census, Rancho San Diego had a population of 21,858 and a population density of 2,513.6 inhabitants per square mile (970.5/km2). The median age was 42.7 years; 20.7% were under the age of 18, 8.4% were 18 to 24, 23.3% were 25 to 44, 27.2% were 45 to 64, and 20.5% were 65 years of age or older. For every 100 females there were 95.4 males, and for every 100 females age 18 and over there were 91.0 males age 18 and over.[27]
The census reported that 99.5% of residents lived in households, 0.4% lived in non-institutionalized group quarters, and 0.1% were institutionalized.[27] 99.8% of residents lived in urban areas, while 0.2% lived in rural areas.[28]
There were 7,854 households; 31.5% had children under the age of 18 living in them. Of all households, 58.4% were married-couple households, 13.5% had a male householder with no spouse or partner present, and 24.2% had a female householder with no spouse or partner present. About 20.6% of all households were made up of individuals and 11.5% had someone living alone who was 65 years of age or older. There were 5,865 families (74.7% of all households).[27][29]
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. The homeowner vacancy rate was 0.6%, and the rental vacancy rate was 4.0%.[27]
| Race | Number | Percent |
|---|---|---|
| White | 16,381 | 74.9% |
| Black or African American | 739 | 3.4% |
| American Indian and Alaska Native | 147 | 0.7% |
| Asian | 910 | 4.2% |
| Native Hawaiian and Other Pacific Islander | 73 | 0.3% |
| Some other race | 1,147 | 5.2% |
| Two or more races | 2,461 | 11.3% |
| Hispanic or Latino (of any race) | 3,575 | 16.4% |
2023 American Community Survey estimates
[edit]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.[31]
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.[32]
2010 census
[edit]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.
Government
[edit]In the California State Legislature, Rancho San Diego is in the 39th senatorial district, represented by Democrat Akilah Weber, and in the 75th Assembly district, represented by Republican Carl DeMaio.[33]
In the United States House of Representatives, Rancho San Diego is in California's 48th congressional district, represented by Republican Darrell Issa.[34]
County Service Area No. 26 (Rancho San Diego) provides landscape and open-space maintenance.[1]
Schools
[edit]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.
References
[edit]- ^ a b Directory of Special Districts in San Diego County (PDF). San Diego Local Agency Formation Commission. 2011. Archived from the original (PDF) on January 16, 2016. Retrieved April 9, 2015.
- ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 2, 2025.
- ^ "Rancho San Diego". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved April 10, 2015.
- ^ Rancho San Diego Specific Plan (PDF). North Island Credit Union. 2013. Archived (PDF) from the original on April 13, 2015.
- ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
- ^ "Rancho San Diego, California Köppen Climate Classification (Weatherbase)". Weatherbase. Retrieved April 20, 2018.
- ^ "Decennial Census by Decade". United States Census Bureau.
- ^ "1870 Census of Population - Population of Civil Divisions less than Counties - California - Almeda County to Sutter County" (PDF). United States Census Bureau. Archived from the original (PDF) on January 26, 2025 – via Wayback Machine.
- ^ "1870 Census of Population - Population of Civil Divisions less than Counties - California - Tehama County to Yuba County" (PDF). United States Census Bureau. Archived from the original (PDF) on February 2, 2025 – via Wayback Machine.
- ^ "1890 Census of Population - Population of California by Minor Civil Divisions" (PDF). United States Census Bureau. Archived from the original (PDF) on March 11, 2025 – via Wayback Machine.
- ^ "1900 Census of Population - Population of California by Counties and Minor Civil Divisions" (PDF). United States Census Bureau. Archived from the original (PDF) on March 4, 2025 – via Wayback Machine.
- ^ "1910 Census of Population - Supplement for California" (PDF). United States Census Bureau. Archived from the original (PDF) on April 4, 2025. Retrieved February 4, 2025 – via Wayback Machine.
- ^ "1920 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on April 28, 2025 – via Wayback Machine.
- ^ "1930 Census of Population - Number and Distribution of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 17, 2025 – via Wayback Machine.
- ^ "1940 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on January 26, 2025 – via Wayback Machine.
- ^ "1950 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on February 19, 2025 – via Wayback Machine.
- ^ "1960 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 22, 2025 – via Wayback Machine.
- ^ "1960 Census of Population - General population Characteristics - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 22, 2025 – via Wayback Machine.
- ^ "1970 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on February 26, 2025 – via Wayback Machine.
- ^ "1980 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on January 26, 2025 – via Wayback Machine.
- ^ a b "1990 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau. Archived from the original (PDF) on January 26, 2025 – via Wayback Machine.
- ^ "2000 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 22, 2025 – via Wayback Machine.
- ^ "2010 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 28, 2025 – via Wayback Machine.
- ^ "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Rancho San Diego CDP, California". United States Census Bureau.
- ^ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Rancho San Diego CDP, California". United States Census Bureau.
- ^ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Rancho San Diego CDP, California". United States Census Bureau.
- ^ a b c d "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved March 12, 2026.
- ^ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved March 12, 2026.
- ^ "Rancho San Diego CDP, California; P16: Household Type - 2020 Census of Population and Housing". United States Census Bureau. Retrieved June 1, 2025.
- ^ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved March 12, 2026.
- ^ "Rancho San Diego CDP, California; CP02: Comparative Social Characteristics in the United States - 2023 ACS 5-Year Estimates Comparison Profiles". US Census Bureau. Retrieved June 1, 2025.
- ^ "Rancho San Diego CDP, California; DP03: Selected Economic Characteristics - 2023 ACS 5-Year Estimates Comparison Profiles". US Census Bureau. Retrieved June 1, 2025.
- ^ "Final Maps | California Citizens Redistricting Commission". Retrieved October 12, 2025.
- ^ "California's 48th Congressional District - Representatives & District Map". Civic Impulse, LLC.
