San Marcos, TX—78666
Real Estate Data & Market Trends
Key Metrics at a Glance
Home Price Trends — San Marcos, TX
As of Oct '25, the median home price in San Marcos, TX is $313,000, with a year-over-year change of -5.0%. This indicates that home prices in San Marcos, TX are decreasing. According to Zillow, the 1-year price projection is -1.8%, suggesting a decrease housing market in the next year.
Cost per Home Type
| Home Type | Median Home Value | YoY % Change |
|---|---|---|
All Homes | $313,000 | -5.0% |
| Single Family | $316,000 | -4.8% |
| Condos | $238,000 | -3.3% |
Cost per Home Size
| Home Size | Median Home Value | YoY % Change |
|---|---|---|
1 Bed | N/A | N/A |
2 Bed | $274,000 | -6.2% |
3 Bed | $298,000 | -5.4% |
4 Bed | $358,000 | -5.3% |
| 5 Bed | $435,000 | -5.4% |
% of Housing Stock
Rental Trends — San Marcos, TX
As of July '25, Rentcast reports the average rent in San Marcos, TX is $1,670, with a year-over-year rent change of -5.6%. Per bedroom, the median rent as of July '25 in San Marcos, TX is studios: $1,030, 1-bedrooms: $1,080, 2-bedrooms: $1,430, 3-bedrooms: $1,880, 4-bedrooms: $2,240. The most common rental property sizes in San Marcos, TX are 2-bedroom and 1-bedroom, accounting for 38.2% and 24.7% of the rental stock.
| Type | Median Rent | Average Rent |
|---|---|---|
| Average Rent | $1,650 | $1,670 |
| Studio Rent | $979 | $1,030 |
| 1 Bed Rent | $1,020 | $1,080 |
| 2 Bed Rent | $1,400 | $1,430 |
| 3 Bed Rent | $1,850 | $1,880 |
| 4 Bed Rent | $2,200 | $2,240 |
% of Rental Stock
Property Listings — San Marcos, TX
As of Oct '25, Realtor.com reports that the median days on market for a home in San Marcos, TX is 100. This is a increase of 32.0% 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 30.0%, representing a large inventory and a lot of supply pressure on home prices.
| Metric | Zip Code Average | Year over Year % Change |
|---|---|---|
Median Listing Price | $367,000 | -5.0% |
Listing Count | 519 | 1.0% |
| Listings as % of Homes | 1.1% | 1.0% |
Days on Market | 100 | 32.0% |
Demographics — San Marcos, TX
As of the latest ACS Survey released in 2023, San Marcos, TX has a population of 87,800, which has increased by 10.7% over the past 5 years. San Marcos, TX is a less popular place for families, as children make up 13.8% of the population. The area has a moderately educated workforce, with 34.6% of adult residents holding a bachelor’s degree or higher. There are few residents working remotely, with 9.4% reporting working from home.
| Metric | Latest Census | YoY % Change |
|---|---|---|
Population | 87,800 | 10.7% |
% Under 18 | 13.8% | -12.7% |
% Seniors | 12.5% | 45.3% |
% WFH | 9.4% | 176.5% |
% w/ College Degree | 34.6% | 13.8% |
As of the latest ACS Survey released in 2023, San Marcos, TX is a predominantly white area, with 44.7% of the population identifying as white. The white population has shrunk by 6.9% in the last 5 years. The second most common race or ethnicity in San Marcos, TX is hispanic, making up 43.8% of the population. Foreign-born residents account for 7.8% of the population in San Marcos, TX, and this percentage has decreased by 7.1% 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 | 44.7% | -6.9% |
% Black | 5.2% | -8.8% |
% Hispanic | 43.8% | 2.8% |
% Asian | 1.8% | -10.0% |
% Foreign Born | 7.8% | -7.1% |
Mortgage and Risk — San Marcos, TX
According to HUD data as of 2023, there were 1103 mortgage originations in San Marcos, TX, of which 66.0% of loans were conventional mortgages. The average loan-to-value was 77.0%, with 44.0% above 90% LTV (very high). This implies large mortgage risk in San Marcos, TX. Investor activity is low, as 4.0% of loans were by investors. 9.0% of loans were cash-out refinances, suggesting few homeowners are tapping equity.
Mortgages
| Metric | Zip Code Average |
|---|---|
Total Loan Originations | 1,103 |
% Conventional Loans | 66.0% |
% Government Loans | 34.0% |
% Investor Loans | 4.0% |
% Second Loans | 1.0% |
% Cash Out Refinance | 9.0% |
Loan Activity
Rentals and Section 8 — San Marcos, TX
As of 2024, the percent of homes in San Marcos, TX under the Section 8 program is 1.5%. This is considered low, suggesting that the neighborhood is sparsely composed of Section 8 homes. Section 8 opportunity is good when HUD pays more than market rent. In San Marcos, TX, all tracked home sizes have HUD payment amounts above market rent, suggesting strong Section 8 opportunity across the board.
Section 8 Market Size
Total Units under HUD | 590 |
Total Units Section 8 | 303 |
% Rentals under Section 8 | 1.5% |
% Occupied Section 8 | 89.0% |
Section 8 Opportunity
| Home Size | HUD Premium | Market Rent | Max HUD Rent |
|---|---|---|---|
| 1 Bedroom | $280 | $1,020 | $1,300 |
| 2 Bedroom | $140 | $1,400 | $1,540 |
| 3 Bedroom | $110 | $1,850 | $1,960 |
| 4 Bedroom | $80 | $2,200 | $2,280 |
Affordability — San Marcos, TX
Home Price to Income Ratio
| Metric | Zip Code Average |
|---|---|
| Home Price to Income Ratio | 6.5 |
| Median Home Price | $313,000 |
| Median Household Income | $55,500 |