San Diego, TX—78357
Real Estate Data & Market Trends
Key Metrics at a Glance
Other Zip Codes in San Diego, TX
Home Price Trends — San Diego, TX
As of Oct '25, the median home price in San Diego, TX is $74,000, with a year-over-year change of 5.5%. This indicates that home prices in San Diego, TX are increasing. According to Zillow, the 1-year price projection is -6.2%, suggesting a decrease housing market in the next year.
Cost per Home Type
| Home Type | Median Home Value | YoY % Change |
|---|---|---|
All Homes | $74,000 | 5.5% |
| Single Family | $74,000 | 7.2% |
| Condos | N/A | N/A |
Cost per Home Size
| Home Size | Median Home Value | YoY % Change |
|---|---|---|
1 Bed | N/A | N/A |
2 Bed | N/A | N/A |
3 Bed | N/A | N/A |
4 Bed | N/A | N/A |
| 5 Bed | N/A | N/A |
% of Housing Stock
Rental Trends — San Diego, TX
As of July '25, Rentcast reports the average rent in San Diego, TX is $548, with a year-over-year rent change of 0.0%. Per bedroom, the median rent as of July '25 in San Diego, TX is 1-bedrooms: $548. The most common rental property sizes in San Diego, TX are 3-bedroom and 2-bedroom, accounting for 71.9% and 10.9% of the rental stock.
| Type | Median Rent | Average Rent |
|---|---|---|
| Average Rent | $548 | $548 |
| Studio Rent | N/A | N/A |
| 1 Bed Rent | $548 | $548 |
| 2 Bed Rent | N/A | N/A |
| 3 Bed Rent | N/A | N/A |
| 4 Bed Rent | N/A | N/A |
% of Rental Stock
Property Listings — San Diego, TX
As of Oct '25, Realtor.com reports that the median days on market for a home in San Diego, TX is 63. This is a increase of 54.0% from last year, suggesting that homes are sitting on the market longer than last year. The percentage of listed homes with a reduced price is 0.0%, representing a small inventory and little supply pressure on home prices.
| Metric | Zip Code Average | Year over Year % Change |
|---|---|---|
Median Listing Price | $96,400 | 2.0% |
Listing Count | 5 | -6.0% |
| Listings as % of Homes | 0.6% | -6.0% |
Days on Market | 63 | 54.0% |
Demographics — San Diego, TX
As of the latest ACS Survey released in 2023, San Diego, TX has a population of 2,730, which has decreased by -4.9% over the past 5 years. San Diego, TX is a moderately popular place for families, as children make up 23.5% of the population. The area has a poorly educated workforce, with 11.3% of adult residents holding a bachelor’s degree or higher. There are few residents working remotely, with 5.1% reporting working from home.
| Metric | Latest Census | YoY % Change |
|---|---|---|
Population | 2,730 | -4.9% |
% Under 18 | 23.5% | -25.4% |
% Seniors | 14.3% | 3.6% |
% WFH | 5.1% | -19.0% |
% w/ College Degree | 11.3% | 48.7% |
As of the latest ACS Survey released in 2023, San Diego, TX is a predominantly hispanic area, with 76.6% of the population identifying as hispanic. The hispanic population has grown by 2.8% in the last 5 years. The second most common race or ethnicity in San Diego, TX is white, making up 23.3% of the population. Foreign-born residents account for 1.1% of the population in San Diego, TX, and this percentage has decreased by 54.2% as of the ACS Survey 5 years prior, suggesting fewer immigrants are calling the area home.
Race and Ethnicity
| Metric | Latest Census | 5-Year % Change |
|---|---|---|
% White | 23.3% | -2.5% |
% Black | 0.0% | -100.0% |
% Hispanic | 76.6% | 2.8% |
% Asian | 0.0% | N/A |
% Foreign Born | 1.1% | -54.2% |
Mortgage and Risk — San Diego, TX
According to HUD data as of 2023, there were 12 mortgage originations in San Diego, TX, of which 100.0% of loans were conventional mortgages. The average loan-to-value was 87.0%, with 42.0% above 90% LTV (very high). This implies large mortgage risk in San Diego, TX. Investor activity is low, as 0.0% of loans were by investors. 0.0% of loans were cash-out refinances, suggesting few homeowners are tapping equity.
Mortgages
| Metric | Zip Code Average |
|---|---|
Total Loan Originations | 12 |
% Conventional Loans | 100.0% |
% Government Loans | 0.0% |
% Investor Loans | 0.0% |
% Second Loans | 0.0% |
% Cash Out Refinance | 0.0% |
Loan Activity
Rentals and Section 8 — San Diego, TX
San Diego, TX lacks sufficient Section 8 program data for analysis.
Section 8 Market Size
Total Units under HUD | 56 |
Total Units Section 8 | 34 |
% Rentals under Section 8 | N/A |
% Occupied Section 8 | 84.0% |
Section 8 Opportunity
| Home Size | HUD Premium | Market Rent | Max HUD Rent |
|---|---|---|---|
| 1 Bedroom | $202 | $548 | $750 |
| 2 Bedroom | N/A | N/A | $930 |
| 3 Bedroom | N/A | N/A | $1,310 |
| 4 Bedroom | N/A | N/A | $1,400 |
Affordability — San Diego, TX
Home Price to Income Ratio
| Metric | Zip Code Average |
|---|---|
| Home Price to Income Ratio | 1.2 |
| Median Home Price | $74,000 |
| Median Household Income | $61,000 |