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US ZIP Code Profile

ZIP Code 78702
Austin, Texas

ZIP code 78702 is in Austin, located in Travis County, Texas, within the Austin-Round Rock metro area. Its 2020 Census population was 25,910. The estimated median adjusted gross income per tax return is $70,435, and about 14% of filers report $200,000 or more.

2020 Population
25,910
Census ZCTA
County
Travis
FIPS 48453
Median income (est.)
$70,435
IRS SOI 2022
Land Area
4.998 mi²
+ 0.19 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
Coordinates30.263378, -97.714485
Land / Water Area4.998 mi² land · 0.19 mi² water

02Income & Economics

Distribution of the 14,800 individual tax returns filed in 78702 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
18.2%
$25K–$50K
19.1%
$50K–$75K
15.5%
$75K–$100K
11.3%
$100K–$200K
22.4%
$200K+
13.5%
The $200,000+ bracket accounts for 51% of 78702's total adjusted gross income, from 14% of returns — a concentration that drives the gap between the median ($70,435) 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 78702's IRS income metrics, 2020–2022.

Median income (2021→2022)
$70,435
▲ 10.7%
Filers earning $200K+
13.5%
▲ 1.2 pt
Total filers
14,800
▲ 1.9%
GET /zipc/v2/zipcodes/78702/soi?year=… $54K 2020 $64K 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 78702 ZCTA.

2000
22,534
 
2010
21,334
▼ -5.3%
2020
25,910
▲ +21.4%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 78702. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 78702

Austin and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 78702 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 78702 in?

ZIP code 78702 is in Travis County, Texas (county FIPS code 48453).

What city is ZIP code 78702?

The primary USPS city for 78702 is Austin, TX.

What metro area (MSA) is 78702 in?

78702 is part of the Austin-Round Rock, TX Metro Area (MSA code 12420).

What is the population of ZIP code 78702?

The 2020 Census population of 78702 was 25,910 residents.

What is the median income in ZIP code 78702?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78702 is about $70,435, with around 14% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.