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US ZIP Code Profile

ZIP Code 78726
Austin, Texas

ZIP code 78726 is in Austin, located in Travis County, Texas, within the Austin-Round Rock metro area. Its 2020 Census population was 15,618. The estimated median adjusted gross income per tax return is $63,273, and about 21% of filers report $200,000 or more.

2020 Population
15,618
Census ZCTA
County
Travis
FIPS 48453
Median income (est.)
$63,273
IRS SOI 2022
Land Area
10.89 mi²
+ 0 mi² water

01Location & Geography

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

Primary CityAustin, TX
CountyTravis County (FIPS 48453)
StateTexas (FIPS 48)
Metro Area (MSA)Austin-Round Rock, TX Metro Area (12420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.429504, -97.842064
Land / Water Area10.89 mi² land · 0 mi² water

02Income & Economics

Distribution of the 6,890 individual tax returns filed in 78726 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
21.3%
$25K–$50K
21.2%
$50K–$75K
14.1%
$75K–$100K
7.7%
$100K–$200K
14.5%
$200K+
21.2%
The $200,000+ bracket accounts for 69% of 78726's total adjusted gross income, from 21% of returns — a concentration that drives the gap between the median ($63,273) 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 78726's IRS income metrics, 2020–2022.

Median income (2021→2022)
$63,273
▲ 8.2%
Filers earning $200K+
21.2%
▲ 1.3 pt
Total filers
6,890
▼ 1.1%
GET /zipc/v2/zipcodes/78726/soi?year=… $51K 2020 $58K 2021 $63K 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 78726 ZCTA.

2000
6,480
 
2010
13,122
▲ +102.5%
2020
15,618
▲ +19.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 78726. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 78726

Austin and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 78726 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 Number480420
City AliasesAustin

07Frequently Asked Questions

What county is ZIP code 78726 in?

ZIP code 78726 is in Travis County, Texas (county FIPS code 48453).

What city is ZIP code 78726?

The primary USPS city for 78726 is Austin, TX.

What metro area (MSA) is 78726 in?

78726 is part of the Austin-Round Rock, TX Metro Area (MSA code 12420).

What is the population of ZIP code 78726?

The 2020 Census population of 78726 was 15,618 residents.

What is the median income in ZIP code 78726?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78726 is about $63,273, 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.