Mortgage Rates for ZIP Code 78220 — San Antonio, Texas — March 2026
Updated March 2026 | Based on local lending data for ZIP code 78220 in San Antonio, TX
ZIP code 78220 is located in San Antonio, Texas, serving a population of approximately 43,470 residents. The current 30-year fixed mortgage rate in this area is 6.67%, which is 0.02% above the national average. With a median home price of $267,087 and a 20% down payment of $53,417, homebuyers in ZIP 78220 can expect a monthly principal and interest payment of approximately $1,375.
Current Mortgage Rates in ZIP Code 78220
Below are the current average mortgage rates available in ZIP code 78220 (San Antonio, TX) as of March 2026. Rates vary by lender, credit score, and loan-to-value ratio. Use our free calculator to see your personalized estimate.
| Loan Type | Rate | National Avg | Difference |
|---|---|---|---|
| 30-Year Fixed | 6.67% | 6.65% | +0.02% |
| 15-Year Fixed | 5.87% | 5.89% | -0.02% |
| 5/1 ARM | 6.18% | 6.15% | +0.03% |
| FHA | 6.4% | 6.25% | +0.15% |
| VA | 6.15% | 6.05% | +0.1% |
| Jumbo | 6.97% | 6.85% | +0.12% |
Housing Market in ZIP Code 78220
The housing market in ZIP code 78220 (San Antonio) offers relatively affordable housing compared to many areas. The median household income in this area is $53,557, and the cost of living index is 93 (national average = 100). Based on the 28% affordability rule, you would need an income of approximately $75,814 to comfortably afford the median-priced home in this area, which exceeds the current median household income.
Monthly Payment Breakdown for ZIP 78220
Based on the median home price of $267,087 with 20% down ($53,417), here is what you can expect to pay monthly in ZIP code 78220:
15-Year vs. 30-Year Mortgage in ZIP 78220
Choosing a 15-year mortgage in ZIP code 78220 at 5.87% instead of a 30-year at 6.67% would save you $173,160 in total interest over the life of the loan. However, your monthly payment would be $1,788 instead of $1,375 — an increase of $413 per month.
Calculate Your Mortgage Payment for ZIP 78220
Use our free calculator to get a personalized estimate based on your loan amount, interest rate, and term.
Open Free CalculatorFrequently Asked Questions About ZIP Code 78220
What are the current mortgage rates in ZIP code 78220?
As of March 2026, the average 30-year fixed mortgage rate in ZIP code 78220 (San Antonio, Texas) is 6.67%, while the 15-year fixed rate is 5.87%. FHA loans average 6.4% and VA loans 6.15%. These rates are 0.02% above the national average of 6.65%.
What is the median home price in ZIP code 78220?
The median home price in ZIP code 78220 is $267,087 as of 2026. With a 20% down payment of $53,417, the estimated monthly mortgage payment is $1,375 for principal and interest, plus $394 in property taxes.
How much income do I need to buy a home in ZIP 78220?
Using the 28% rule, you would need an annual income of approximately $75,814 to afford the median-priced home in ZIP code 78220 at $267,087. The median household income in this area is $53,557. This means most households would need to either earn above the median or consider homes below $267,087.
How do mortgage rates in ZIP 78220 compare to the national average?
The 30-year fixed mortgage rate in ZIP code 78220 is 6.67%, which is 0.02% above the national average of 6.65%. Local rates can vary based on regional lending competition, property values, and economic conditions in San Antonio, Texas. This area has a below-average cost of living (index: 93) compared to the national average of 100.
Explore San Antonio, Texas Mortgage Rates
Other ZIP Codes in San Antonio, TX
Related Tools & Guides
Last updated: March 2026. Rates are approximate averages based on regional lending data for ZIP code 78220 in San Antonio, Texas. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.