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US ZIP Code Profile

ZIP Code 78602
Bastrop, Texas

ZIP code 78602 is in Bastrop, located in Bastrop County, Texas, within the Austin-Round Rock metro area. Its 2020 Census population was 33,759. The estimated median adjusted gross income per tax return is $52,576, and about 6% of filers report $200,000 or more.

2020 Population
33,759
Census ZCTA
County
Bastrop
FIPS 48021
Median income (est.)
$52,576
IRS SOI 2022
Land Area
193.625 mi²
+ 3.689 mi² water

01Location & Geography

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

Primary CityBastrop, TX
CountyBastrop County (FIPS 48021)
StateTexas (FIPS 48)
Metro Area (MSA)Austin-Round Rock, TX Metro Area (12420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.12382, -97.32771
Land / Water Area193.625 mi² land · 3.689 mi² water

02Income & Economics

Distribution of the 16,820 individual tax returns filed in 78602 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.0%
$25K–$50K
23.4%
$50K–$75K
15.6%
$75K–$100K
10.7%
$100K–$200K
19.2%
$200K+
6.1%
The $200,000+ bracket accounts for 36% of 78602's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($52,576) 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 78602's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,576
▲ 8.7%
Filers earning $200K+
6.1%
▲ 0.9 pt
Total filers
16,820
▲ 6.3%
GET /zipc/v2/zipcodes/78602/soi?year=… $44K 2020 $48K 2021 $53K 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 78602 ZCTA.

2000
18,229
 
2010
25,160
▲ +38.0%
2020
33,759
▲ +34.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number480575
City AliasesBastrop, Calvin, Clearview, Hill

06Frequently Asked Questions

What county is ZIP code 78602 in?

ZIP code 78602 is in Bastrop County, Texas (county FIPS code 48021).

What city is ZIP code 78602?

The primary USPS city for 78602 is Bastrop, TX.

What metro area (MSA) is 78602 in?

78602 is part of the Austin-Round Rock, TX Metro Area (MSA code 12420).

What is the population of ZIP code 78602?

The 2020 Census population of 78602 was 33,759 residents.

What is the median income in ZIP code 78602?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78602 is about $52,576, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.