San Diego, Texas Demographics & Population 2026
During the 2020–2024 ACS period, San Diego, Texas had a total population of 3,675, the 515th largest city in Texas, with a median household income of $53,174, which is 32% lower than the state average. The poverty rate is 34.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 32% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (34.0%), well above the national average of 12.4%.
- Housing is very affordable with a home-value-to-income ratio of just 1.6x.
- Unemployment rate of 10.8% is notably above the national average.
San Diego Quick Facts
How San Diego Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,795 | 3,675 | -3.2% |
| Median household income | $46,969 | $53,174 | +13.2% |
| Median home value | $59,600 | $85,600 | +43.6% |
How San Diego Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 67 | National average: 61
Education
Educational Attainment (Adults 25+)
San Diego Rankings in Texas
Explore Texas Rankings
Other Cities in Jim Wells County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Alice | 17,707 | $48,676 | 31.4% | $131,100 |
| Premont | 2,428 | $47,728 | 27.9% | $89,800 |
| Ben Bolt | 2,152 | $61,741 | 16.3% | $100,000 |
| Rancho Alegre | 1,337 | $49,202 | 23.7% | $51,100 |
| Orange Grove | 1,089 | $44,779 | 13.8% | $123,300 |
| Coyote Acres | 977 | $103,750 | 2.7% | N/A |
| Alice Acres | 819 | N/A | 56.8% | N/A |
| South La Paloma | 386 | $42,361 | 26.9% | N/A |
| K-Bar Ranch | 361 | $42,390 | 8.3% | $35,000 |
| Alfred | 227 | N/A | 0.0% | N/A |
Cities Similar to San Diego
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Elm Creek | 3,680 | $52,263 | $170,100 | 6.3% | 13.8% |
| Cockrell Hill | 3,703 | $52,292 | $189,800 | 10.2% | 11.2% |
| Eastland | 3,704 | $51,776 | $174,900 | 26.2% | 24.9% |
| Howe | 3,689 | $51,108 | $201,300 | 10.9% | 24.3% |
| Karnes City | 3,605 | $55,354 | $93,400 | 9.9% | 29.6% |
Population Overview
San Diego is a small community located in Texas, within Jim Wells County. The total population is 3,675. It ranks as the 515th most populous out of 1,795 Census-designated places in Texas.
Age Demographics
The median age in San Diego is 29.8 years. This is 16% lower than the state median of 35.6 years. With 36.1% of the population under 18, San Diego has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in San Diego is $53,174. This is 32% lower than the state median of $78,476. It is also 34% lower than the national median of $80,734. The poverty rate stands at 34.0%. This is 147% higher than the state poverty rate of 13.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 10.8%. This is 104% higher than the state rate of 5.3%. The median home value is $85,600. Housing costs are 70% lower than the state median of $283,800. With a home-value-to-income ratio of just 1.6x, San Diego is one of the most affordable housing markets in the area. 71.5% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 62.6%.
Race & Ethnicity
San Diego has a predominantly Hispanic or Latino population, comprising 91.1% of all residents. White (non-Hispanic) residents account for 8.8%. The White (non-Hispanic) population (8.8%) is well below the state average of 39.1%. The Black or African American population (0.1%) is well below the state average of 11.9%. The Hispanic or Latino population is significantly higher than the state average (91.1% vs 39.7%).
Education
12.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 64% lower than the state rate of 33.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 78.7%.
Data Sources & Methodology
All demographic data for San Diego, Texas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,795 Census-designated places in Texas. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of San Diego, Texas?
San Diego, Texas has a population of 3,675 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in San Diego, TX?
The median household income in San Diego is $53,174, which is 34% lower than the national median of $80,734.
What is the poverty rate in San Diego, TX?
The poverty rate in San Diego is 34.0%. This means approximately 1,215 residents live below the federal poverty line.
What is the racial makeup of San Diego, Texas?
San Diego's population is 8.8% White, 0.1% Black, 91.1% Hispanic/Latino, and 0.0% Asian.
What is the median home value in San Diego, TX?
The median home value in San Diego is $85,600. The home-value-to-income ratio is 1.6x.
How educated is San Diego, Texas?
12.1% of adults (25+) in San Diego hold a bachelor's degree or higher, and 1.1% hold a graduate or professional degree.