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US ZIP Code Profile

ZIP Code 78259
San Antonio, Texas

ZIP code 78259 is in San Antonio, located in Bexar County, Texas, within the San Antonio-New Braunfels metro area. Its 2020 Census population was 29,842. The estimated median adjusted gross income per tax return is $70,391, and about 12% of filers report $200,000 or more.

2020 Population
29,842
Census ZCTA
County
Bexar
FIPS 48029
Median income (est.)
$70,391
IRS SOI 2022
Land Area
13.793 mi²
+ 0.01 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CitySan Antonio, TX
CountyBexar County (FIPS 48029)
StateTexas (FIPS 48)
Metro Area (MSA)San Antonio-New Braunfels, TX Metro Area (41700)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.624521, -98.42697
Land / Water Area13.793 mi² land · 0.01 mi² water

02Income & Economics

Distribution of the 14,330 individual tax returns filed in 78259 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
21.1%
$25K–$50K
17.7%
$50K–$75K
13.8%
$75K–$100K
10.3%
$100K–$200K
25.4%
$200K+
11.8%
The $200,000+ bracket accounts for 40% of 78259's total adjusted gross income, from 12% of returns — a concentration that drives the gap between the median ($70,391) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 78259's IRS income metrics, 2020–2022.

Median income (2021→2022)
$70,391
▲ 3.4%
Filers earning $200K+
11.8%
▲ 1.5 pt
Total filers
14,330
▲ 0.8%
GET /zipc/v2/zipcodes/78259/soi?year=… $65K 2020 $68K 2021 $70K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 78259 ZCTA.

2000
9,345
 
2010
22,660
▲ +142.5%
2020
29,842
▲ +31.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 78259. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 78259

San Antonio and its immediate neighbors, sorted by distance.

3 mi
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Distance from 78259 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number487980
City AliasesSan Antonio

07Frequently Asked Questions

What county is ZIP code 78259 in?

ZIP code 78259 is in Bexar County, Texas (county FIPS code 48029).

What city is ZIP code 78259?

The primary USPS city for 78259 is San Antonio, TX.

What metro area (MSA) is 78259 in?

78259 is part of the San Antonio-New Braunfels, TX Metro Area (MSA code 41700).

What is the population of ZIP code 78259?

The 2020 Census population of 78259 was 29,842 residents.

What is the median income in ZIP code 78259?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78259 is about $70,391, with around 12% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.