The Town FilesSan Diego, Texas
City in Duval County · population 3,748 (2020 Census) · spans 2 counties
- Median home
- $85,600
- Household income
- $53,174
- Jan low / Jul high
- 47° / 97°
- Snow a year
- 0 in
- Tornadoes ≤10 mi since 1950
- 15
- Median age
- 29.8
San Diego is a city of 3,748 people in Duval County, Texas. The median home is worth $85,600, below the typical Texas town ($184,100). It ranks quieter than 86% of Texas towns.
How San Diego ranks
Percentile among Texas towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Texas towns.
Homes and cost of living
The median home in San Diego is worth $85,600, below the typical Texas town ($184,100). Homes cost about 1.6 times the median household income of $53,174, which is more affordable than 91% of Texas towns. Median rent is $1,096 a month. 71.5% of households own their home.
| Housing | San Diego | Typical Texas town |
|---|---|---|
| Median home value | $85,600 | $184,100 |
| Median rent | $1,096 | $1,086 |
| Median household income | $53,174 | $65,842 |
| Home value ÷ income | 1.6× | 2.9× |
| Homeownership | 71.5% | 72.9% |
| Median year built | 1969 | 1985 |
| Seasonal / vacation homes | 5.6% | — |
Who lives in San Diego
| People | San Diego | Typical Texas town |
|---|---|---|
| Median age | 29.8 | 37.1 |
| Age 65 and over | 13.3% | 15.6% |
| Under 18 | 36.1% | — |
| Bachelor's degree or higher | 12.1% | 18.9% |
| Below the poverty line | 34.0% | 13.1% |
| Veterans | 4.0% | — |
| Born outside the U.S. | 3.1% | — |
| Work from home | 10.3% | 7.8% |
| Average commute | 32.1 min | 26.1 min |
| Homes with broadband | 66.6% | 89.2% |
Weather in San Diego
July highs average 97.1°F and January lows 47.0°F. About 27.1 inches of rain and melted snow fall a year, with 0.4 inches of snow (typical Texas town: 0.2 in). Expect about 144 days a year at 90°F or hotter and 4 nights at or below freezing.
Tornadoes, storms and disasters
15 tornadoes have passed within 10 miles of San Diego since 1950, compared with 21 for the typical Texas town. 1 rated (E)F2 or stronger. The strongest, an F2, struck on August 10, 1980 about 9.7 miles from the town center. The most recent was on July 20, 2005.
Hail of 1 inch or larger has been reported within 10 miles 24 times; the largest was 2.75 inches on April 5, 1988.
Severe weather in Duval County since 1996
Duval County has been included in 21 federal disaster or emergency declarations since 1953, most often for fire, flood, drought.
| Declared | Incident | Declaration |
|---|---|---|
| July 18, 2026 | Flood | EM-3649: Flooding |
| February 19, 2021 | Severe Ice Storm | DR-4586: Severe Winter Storms |
| February 14, 2021 | Severe Ice Storm | EM-3554: Severe Winter Storm |
| July 26, 2020 | Hurricane | EM-3530: Hurricane Hanna |
| March 25, 2020 | Biological | DR-4485: Covid-19 Pandemic |
Jobs and pay in Duval County
Duval County had 3,673 jobs in 2024, paying an average of $40,727 a year. Unemployment was 4.4% in 2023; in San Diego itself the ACS puts it at 10.8%.
Public schools in San Diego
3 public schools with 1,513 students, about 14.7 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| COLLINS-PARR EL | PK-5 | 720 | 15.0 |
| SAN DIEGO H S | 9-12 | 455 | 15.2 |
| BERNARDA JAIME J H | 6-8 | 338 | 13.5 |
Towns near San Diego
- Alice, TX10.6 mi · 17,891 people · home $131,100
- Kingsville, TX28.9 mi · 25,402 people · home $149,400
- Bishop, TX29.6 mi · 3,174 people · home $111,800
San Diego questions
Is San Diego, Texas a good place to retire?
On The Town Files lifestyle rankings, San Diego scores better for retirees than 61% of Texas towns and quieter than 86%. 13.3% of residents are 65 or older (median age 29.8).
How much does a house cost in San Diego?
The median owner-occupied home in San Diego is valued at $85,600 (Census ACS 2020–2024), against a median household income of $53,174, so homes cost about 1.6 times income. Median rent is $1,096 a month.
What is the weather like in San Diego?
July highs average 97.1°F and January lows 47.0°F (NOAA 1991–2020 normals). It gets about 27.1 inches of precipitation a year and 0.4 inches of snow.
Does San Diego get tornadoes?
15 tornadoes have passed within 10 miles of San Diego since 1950 (NOAA Storm Events); the strongest was a F2 on August 10, 1980. The typical Texas town has had 21.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)