Rancho San Diego, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Rancho San Diego, California is 22,264 as of the 2023 American Community Survey, making it the 328th-largest city in California. The median household income is $118,431, the median home value is $854,200, and the median age is 43.3.
22,264
Population
2560
People / sq mi
$118,431
Median Income
$854,200
Median Home Value
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Rancho San Diego covers 8.7 sq mi of land at 2560 people per square mile.
About Rancho San Diego, CA
Housing cost is the defining feature of Rancho San Diego: the median home is valued at $854,200. Rancho San Diego is a city in California with a population of 22,264.
The typical household earns $118,431 a year, above the US median of $78,538. About 6.6% of residents live below the federal poverty level, below the national 12.4%. Housing is expensive: the median home is worth $854,200, with typical rent around $2,431.
About 44.5% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. Around 10.0% of workers work from home, below the national 14.0%, and the average commute runs about 30 minutes each way.
High housing values reframe the income picture in Rancho San Diego — even solid earnings stretch less against home prices and rents at this level.
Race & Ethnicity
| White | 77.9% |
| Black or African American | 1.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Economy & Income
$118,431
Median Household Income
$55,280
Per Capita Income
6.6%
Poverty Rate
4.8%
Unemployment Rate
Housing
$854,200
Median Home Value
$2,431
Median Rent
75.9%
Owner-Occupied
Education
92.8%
High School+
44.5%
Bachelor's+
Commute
0.0%
Drive Alone
80.6%
Public Transit
10.0%
Work From Home
29.7 min
Avg Commute
Community Profile
23.5%
Foreign Born
75.4%
Non-English at Home
9.3%
Veterans
10.5%
With Disability
95.2%
Health Insurance
96.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.1% |
| Finance, Insurance & Real Estate | 13.1% |
| Education, Health Care & Social Services | 9.5% |
| Information | 8.5% |
| Public Administration | 7.8% |
| Construction | 7.2% |
| Retail Trade | 5.1% |
| Manufacturing | 5.1% |
| Arts, Entertainment & Food Services | 3.7% |
| Transportation & Warehousing | 2.6% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
Rancho San Diego, California has a population of 22,264 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 328th-largest city in California.
The median household income in Rancho San Diego, California is $118,431, with 6.6% of residents living below the federal poverty level.
The median home value in Rancho San Diego, California is $854,200, with median monthly rent at $2,431 and a homeownership rate of 75.9%.
The median age in Rancho San Diego, California is 43.3 years. The population is 49.1% male and 50.9% female.
Rancho San Diego Cdp, CA Climate
Rancho San Diego Cdp, CA has an average annual temperature of 18.2°C (65°F) and receives about 318 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
18.2°C
Avg Temp
318
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 13° / 56° | 63 mm |
| February | 14° / 58° | 59 mm |
| March | 15° / 59° | 61 mm |
| April | 17° / 62° | 26 mm |
| May | 18° / 65° | 7 mm |
| June | 21° / 69° | 2 mm |
| July | 23° / 74° | 1 mm |
| August | 24° / 75° | 3 mm |
| September | 23° / 74° | 7 mm |
| October | 20° / 69° | 11 mm |
| November | 16° / 61° | 36 mm |
| December | 14° / 56° | 42 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Rancho San Diego Cdp, CA
The most comfortable months to visit Rancho San Diego Cdp, CA are typically June, October and July, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 31°C high). The coldest is January (near 7°C low). January is usually the wettest month.
Where to stay near Rancho San Diego
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.