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US ZIP Code Profile

ZIP Code 78266
San Antonio, Texas

ZIP code 78266 is in San Antonio, located in Comal County, Texas, within the San Antonio-New Braunfels metro area. Its 2020 Census population was 7,534. The estimated median adjusted gross income per tax return is $91,892, and about 21% of filers report $200,000 or more.

2020 Population
7,534
Census ZCTA
County
Comal
FIPS 48091
Median income (est.)
$91,892
IRS SOI 2022
Land Area
37.58 mi²
+ 0.33 mi² water

01Location & Geography

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

Primary CitySan Antonio, TX
CountyComal County (FIPS 48091)
StateTexas (FIPS 48)
Metro Area (MSA)San Antonio-New Braunfels, TX Metro Area (41700)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.650496, -98.33843
Land / Water Area37.58 mi² land · 0.33 mi² water

02Income & Economics

Distribution of the 4,180 individual tax returns filed in 78266 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
19.9%
$25K–$50K
13.9%
$50K–$75K
10.3%
$75K–$100K
8.8%
$100K–$200K
26.1%
$200K+
21.1%
The $200,000+ bracket accounts for 60% of 78266's total adjusted gross income, from 21% of returns — a concentration that drives the gap between the median ($91,892) 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 78266's IRS income metrics, 2020–2022.

Median income (2021→2022)
$91,892
▲ 0.2%
Filers earning $200K+
21.1%
▲ 0.2 pt
Total filers
4,180
▲ 6.1%
GET /zipc/v2/zipcodes/78266/soi?year=… $87K 2020 $92K 2021 $92K 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 78266 ZCTA.

2000
2,984
 
2010
5,591
▲ +87.4%
2020
7,534
▲ +34.8%

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 AliasesBracken, Garden Ridge, San Antonio

06Frequently Asked Questions

What county is ZIP code 78266 in?

ZIP code 78266 is in Comal County, Texas (county FIPS code 48091).

What city is ZIP code 78266?

The primary USPS city for 78266 is San Antonio, TX.

What metro area (MSA) is 78266 in?

78266 is part of the San Antonio-New Braunfels, TX Metro Area (MSA code 41700).

What is the population of ZIP code 78266?

The 2020 Census population of 78266 was 7,534 residents.

What is the median income in ZIP code 78266?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78266 is about $91,892, with around 21% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.