ZIP Code Tabulation Area · Texas

ZIP Code 78234: San Antonio, TX

ZIP Code 78234 (San Antonio, Bexar County, Texas) has an estimated 7,149 residents in 1,035 households. The median household income is $100,662, the median home value is — and the median gross rent is $2,223/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

7,149

Margin of error ±508

Median household income

$100,662

Margin of error ±$21,360

Median home value

—

Margin of error not available

Median gross rent

$2,223/mo

Margin of error ±$51

Median age

21.2 yrs

Margin of error ±0.6 yrs

Mean travel time to work

11.6 min

Margin of error ±2.5 min

How ZIP 78234 compares with Texas and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 7823421.2 yrsTexas35.6 yrsUnited States38.9 yrs

Median household income

ZIP 78234$100,662Texas$78,476United States$80,734

Per capita income

ZIP 78234$27,584Texas$40,752United States$44,673

Poverty rate

ZIP 7823411.1%Texas13.8%United States12.5%

Unemployment rate

ZIP 782345.4%Texas5.3%United States5.2%

Bachelor's degree or higher

ZIP 7823451.2%Texas33.8%United States35.7%

Median home value

ZIP 78234—Texas$283,800United States$332,700

Median gross rent

ZIP 78234$2,223/moTexas$1,403/moUnited States$1,413/mo

Owner-occupied homes

ZIP 782340.0%Texas62.6%United States65.2%

Mean travel time to work

ZIP 7823411.6 minTexas26.7 minUnited States26.4 min

Worked from home

ZIP 7823432.1%Texas14.4%United States15.1%

All figures for ZIP 78234

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 78234 — ACS 2020–2024 5-year estimates
MeasureZIP 78234Margin of errorTexasUnited States
Total population7,149±50830,188,424334,922,499
Median age21.2 yrs±0.6 yrs35.6 yrs38.9 yrs
Households1,035±12610,992,816129,227,496
Median household income$100,662±$21,360$78,476$80,734
Per capita income$27,584±$2,281$40,752$44,673
Poverty rate11.1%±5.9 pts13.8%12.5%
Unemployment rate5.4%±4.6 pts5.3%5.2%
Bachelor's degree or higher51.2%±4.8 pts33.8%35.7%
Median home value——$283,800$332,700
Median gross rent$2,223/mo±$51$1,403/mo$1,413/mo
Owner-occupied homes0.0%±2.0 pts62.6%65.2%
Mean travel time to work11.6 min±2.5 min26.7 min26.4 min
Worked from home32.1%±8.2 pts14.4%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 78234
GroupZIP 78234TexasUnited States
White alone, not Hispanic or Latino47.5%39.1%57.4%
Black or African American alone, not Hispanic or Latino15.3%11.9%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.8%0.1%0.5%
Asian alone, not Hispanic or Latino5.8%5.5%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino1.4%0.1%0.2%
Some other race alone, not Hispanic or Latino0.3%0.4%0.6%
Two or more races, not Hispanic or Latino5.7%3.1%4.3%
Hispanic or Latino (of any race)23.2%39.7%19.3%

Where ZIP 78234 is

State
Texas
Main county
Bexar County
Largest overlapping place
San Antonio (100% of the ZIP's land area)
Land area
5.09 sq mi· about 1,405 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Bexar County

78221 San Antonio, TX78222 San Antonio, TX78223 San Antonio, TX78224 San Antonio, TX78225 San Antonio, TX78226 San Antonio, TX78227 San Antonio, TX78228 San Antonio, TX78229 San Antonio, TX78230 San Antonio, TX78231 Shavano Park, TX78232 San Antonio, TX78233 San Antonio, TX78235 San Antonio, TX78236 Lackland AFB, TX78237 San Antonio, TX78238 San Antonio, TX78239 Windcrest, TX78240 San Antonio, TX78242 San Antonio, TX78243 Bexar County, TX78244 San Antonio, TX78245 Bexar County, TX78247 San Antonio, TX

See every ZIP code in Texas, or compare ZIP 78234 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.