ZIP code
78251
San Antonio, TX
78251 covers San Antonio in Bexar County, with 61,683 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 78251. Methodology
ZIP code map of 78251

About ZIP code 78251
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 78251. Not ACS. Methodology
People in 78251
Race
- White23,701
- Black or African American5,948
- American Indian or Alaska Native651
- Asian2,256
- Native Hawaiian and Pacific Islander150
- Other race8,934
- Two or more races17,196
Hispanic or Latino (any race): 36,542
Age
- Under 107,386
- 10 to 198,444
- 20 to 2910,802
- 30 to 399,034
- 40 to 497,893
- 50 to 596,930
- 60 to 694,856
- 70 to 792,463
- 80 and older1,028
Income and housing in 78251
Education
- High school graduate91.7%
- Bachelor's degree33.3%
- Graduate degree12.0%
Places covering 78251
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 Antonio98.9%
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
1.1% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 78251
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 39,834 | |
| 2006 | 40,827 | |
| 2007 | 43,190 | |
| 2008 | 43,294 | |
| 2009 | 45,919 | |
| 2010 | 46,698 | |
| 2011 | 48,018 | 48,146 |
| 2012 | 51,095 | 49,520 |
| 2013 | 51,767 | 50,610 |
| 2014 | 54,898 | 51,420 |
| 2015 | 56,996 | 51,940 |
| 2016 | 57,447 | 51,570 |
| 2017 | 58,522 | 52,340 |
| 2018 | 60,107 | 52,540 |
| 2019 | 62,186 | 52,670 |
| 2020 | 65,885 | 51,370 |
| 2021 | 61,970 | 49,260 |
| 2022 | 62,064 | 48,710 |
| 2023 | 61,683 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 78251
12 nearest ZIP centroids (any distance)
- 78250San Antonio2.9 miPop 57,849 · Income $80,289
- 78238San Antonio3.6 miPop 26,250 · Income $56,227
- 78227San Antonio5.4 miPop 44,091 · Income $48,049
- 78254San Antonio5.6 miPop 78,865 · Income $115,823
- 78245San Antonio6.1 miPop 91,388 · Income $87,890
- 78236Jbsa Lackland6.2 miPop 7,629 · Income $96,771
- 78240San Antonio6.2 miPop 57,014 · Income $62,203
- 78228San Antonio6.3 miPop 55,474 · Income $50,865
- 78253San Antonio6.7 miPop 67,578 · Income $104,260
- 78229San Antonio6.7 miPop 35,195 · Income $46,718
- 78237San Antonio7.2 miPop 36,930 · Income $40,233
- 78243San Antonio8.0 miPop 251 · Income —
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 78251, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 78251 FAQ
- What city is ZIP code 78251 in?
- 78251 is in San Antonio, TX.
- What county is 78251 in?
- 78251 is in Bexar County.
- What is the median household income in 78251?
- The median household income in 78251 is $78,025.
- Which ZIP codes are near 78251?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 78251.