Bexar County · Texas
ZIP code 78203
- Population
- 4,845
- Median income
- $34,815
- Median home
- $139,900
- Sales tax
- 8.25%
ZCTA residents
Household, past 12 months
Owner-occupied value
Combined state + local
Quick answer
ZIP 78203 sits in Bexar County, Texas and is home to 4,845 people. Median household income is $34,815, the median home is worth $139,900 and median gross rent is $989. 47.6% of households own their home, and purchases are taxed at 8.25% combined.
- County
- Bexar County
- State
- Texas (TX)
- Area codes
- 210
FIPS 48029
1,989 ZIPs covered
NANPA codes serving this area
The numbers for 78203
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 4,845ZIP 78203 residents
- Median household income
- $34,815Past 12 months, inflation adjusted
- Median home value
- $139,900Owner-occupied units
- Median gross rent
- $989Rent plus utilities, monthly
- Median age
- 35 yrsAll residents
- Homeownership rate
- 47.6%Owner-occupied households
Sales tax in 78203
What a purchase inside this ZIP costs at checkout.
This ZIP falls inside the San Antonio rate area, so state, county, city and district levies are published here as a full stack.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 78203 compares
ZIP 78203 against the median ZIP in Bexar County and across Texas.
| Measure | ZIP 78203 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $34,815 | $65,131 | $68,103 | -49% |
| Median home value | $139,900 | $221,900 | $194,900 | -28% |
| Median gross rent | $989 | $1,277 | $1,105 | -10% |
| Population | 4,845 | 26,996 | 5,317 | -9% |
Medians are computed across the 70 ZIP areas in Bexar County and the 1989 ZIP areas in Texas.
Statewide rank
Where this ZIP places among all 1989 Texas ZIP areas.
- Income
- #1,701
- Home value
- #1,196
- Population
- #1,025
richer than 3% of 1,756 state ZIPs
above 30% of 1,705 state ZIPs
larger than 48% of 1,989 state ZIPs
Comparable ZIP codes
Texas ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under Bexar County.
ZIP 78203 questions
Common questions about this ZIP code.
- Where is ZIP code 78203?
- ZIP 78203 lies mostly in Bexar County, Texas. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 78203?
- Purchases are taxed at 8.25% combined, built from the San Antonio jurisdiction stack.
- Is 78203 expensive to live in?
- Median rent runs $989 a month, about 34% of median household income, and the median home is worth $139,900 — -28% against the typical Texas ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- Texas Comptroller of Public Accounts — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.