ZIP code
78203
San Antonio, TX
78203 covers San Antonio in Bexar County, with 4,845 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 78203. Methodology
ZIP code map of 78203

About ZIP code 78203
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 78203. Not ACS. Methodology
People in 78203
Race
- White1,869
- Black or African American978
- American Indian or Alaska Native80
- Asian46
- Native Hawaiian and Pacific Islander2
- Other race1,476
- Two or more races1,421
Hispanic or Latino (any race): 4,355
Age
- Under 10826
- 10 to 19912
- 20 to 29775
- 30 to 39917
- 40 to 49748
- 50 to 59640
- 60 to 69597
- 70 to 79297
- 80 and older160
Income and housing in 78203
Education
- High school graduate75.2%
- Bachelor's degree13.7%
- Graduate degree4.3%
Places covering 78203
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- San Antonio100.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Bexar County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Population history for 78203
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 4,740 | |
| 2006 | 4,813 | |
| 2007 | 5,431 | |
| 2008 | 5,006 | |
| 2009 | 5,064 | |
| 2010 | 5,231 | |
| 2011 | 5,378 | 5,461 |
| 2012 | 5,639 | 5,580 |
| 2013 | 5,807 | 5,380 |
| 2014 | 5,534 | 5,360 |
| 2015 | 6,414 | 5,420 |
| 2016 | 6,360 | 5,210 |
| 2017 | 6,456 | 4,890 |
| 2018 | 6,403 | 4,720 |
| 2019 | 6,180 | 4,790 |
| 2020 | 6,162 | 4,710 |
| 2021 | 6,034 | 4,440 |
| 2022 | 5,174 | 4,350 |
| 2023 | 4,845 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 78203
12 nearest ZIP centroids (any distance)
- 78202San Antonio0.9 miPop 9,952 · Income $43,708
- 78210San Antonio1.4 miPop 34,740 · Income $51,990
- 78208San Antonio1.7 miPop 3,877 · Income $23,194
- 78205San Antonio1.7 miPop 1,653 · Income $34,631
- 78262San Antonio1.9 miPop — · Income —
- 78215San Antonio2.2 miPop 3,258 · Income $82,128
- 78204San Antonio2.8 miPop 11,944 · Income $54,667
- 78234Jbsa Ft Sam Houston3.4 miPop 6,281 · Income $100,096
- 78206San Antonio3.4 miPop — · Income —
- 78241San Antonio3.4 miPop — · Income —
- 78284San Antonio3.4 miPop — · Income —
- 78285San Antonio3.4 miPop — · Income —
ZIP centroids within 2 miles
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 78203 FAQ
- What city is ZIP code 78203 in?
- 78203 is in San Antonio, TX.
- What county is 78203 in?
- 78203 is in Bexar County.
- What is the median household income in 78203?
- The median household income in 78203 is $34,815.
- Which ZIP codes are near 78203?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 78203.