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US ZIP Code Profile

ZIP Code 78230
San Antonio, Texas

ZIP code 78230 is in San Antonio, located in Bexar County, Texas, within the San Antonio-New Braunfels metro area. Its 2020 Census population was 42,145. The estimated median adjusted gross income per tax return is $49,726, and about 10% of filers report $200,000 or more.

2020 Population
42,145
Census ZCTA
County
Bexar
FIPS 48029
Median income (est.)
$49,726
IRS SOI 2022
Land Area
10.421 mi²
+ 0.008 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
Coordinates29.546515, -98.557205
Land / Water Area10.421 mi² land · 0.008 mi² water

02Income & Economics

Distribution of the 20,250 individual tax returns filed in 78230 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.5%
$25K–$50K
24.8%
$50K–$75K
15.0%
$75K–$100K
8.9%
$100K–$200K
16.0%
$200K+
9.8%
The $200,000+ bracket accounts for 52% of 78230's total adjusted gross income, from 10% of returns — a concentration that drives the gap between the median ($49,726) 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 78230's IRS income metrics, 2020–2022.

Median income (2021→2022)
$49,726
▲ 6.5%
Filers earning $200K+
9.8%
▲ 0.5 pt
Total filers
20,250
▼ 0.7%
GET /zipc/v2/zipcodes/78230/soi?year=… $44K 2020 $47K 2021 $50K 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 78230 ZCTA.

2000
35,573
 
2010
39,089
▲ +9.9%
2020
42,145
▲ +7.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 78230. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 78230

San Antonio and its immediate neighbors, sorted by distance.

3 mi
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Distance from 78230 to any ZIP

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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, Shavano Park

07Frequently Asked Questions

What county is ZIP code 78230 in?

ZIP code 78230 is in Bexar County, Texas (county FIPS code 48029).

What city is ZIP code 78230?

The primary USPS city for 78230 is San Antonio, TX.

What metro area (MSA) is 78230 in?

78230 is part of the San Antonio-New Braunfels, TX Metro Area (MSA code 41700).

What is the population of ZIP code 78230?

The 2020 Census population of 78230 was 42,145 residents.

What is the median income in ZIP code 78230?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78230 is about $49,726, with around 10% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.