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US ZIP Code Profile

ZIP Code 78223
San Antonio, Texas

ZIP code 78223 is in San Antonio, located in Bexar County, Texas, within the San Antonio-New Braunfels metro area. Its 2020 Census population was 55,705. The estimated median adjusted gross income per tax return is $35,712, and about 1% of filers report $200,000 or more.

2020 Population
55,705
Census ZCTA
County
Bexar
FIPS 48029
Median income (est.)
$35,712
IRS SOI 2022
Land Area
41.407 mi²
+ 1.551 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
Coordinates29.31194, -98.39101
Land / Water Area41.407 mi² land · 1.551 mi² water

02Income & Economics

Distribution of the 25,950 individual tax returns filed in 78223 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
35.9%
$25K–$50K
32.9%
$50K–$75K
15.8%
$75K–$100K
7.5%
$100K–$200K
7.1%
$200K+
0.8%
The $200,000+ bracket accounts for 7% of 78223's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($35,712) 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 78223's IRS income metrics, 2020–2022.

Median income (2021→2022)
$35,712
▲ 8.5%
Filers earning $200K+
0.8%
▲ 0.1 pt
Total filers
25,950
▲ 2.7%
GET /zipc/v2/zipcodes/78223/soi?year=… $31K 2020 $33K 2021 $36K 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 78223 ZCTA.

2000
43,225
 
2010
50,637
▲ +17.1%
2020
55,705
▲ +10.0%

05USPS 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

06Frequently Asked Questions

What county is ZIP code 78223 in?

ZIP code 78223 is in Bexar County, Texas (county FIPS code 48029).

What city is ZIP code 78223?

The primary USPS city for 78223 is San Antonio, TX.

What metro area (MSA) is 78223 in?

78223 is part of the San Antonio-New Braunfels, TX Metro Area (MSA code 41700).

What is the population of ZIP code 78223?

The 2020 Census population of 78223 was 55,705 residents.

What is the median income in ZIP code 78223?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78223 is about $35,712, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.