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US ZIP Code Profile

ZIP Code 78662
Red Rock, Texas

ZIP code 78662 is in Red Rock, located in Bastrop County, Texas, within the Austin-Round Rock metro area. Its 2020 Census population was 2,890. The estimated median adjusted gross income per tax return is $47,177, and about 5% of filers report $200,000 or more.

2020 Population
2,890
Census ZCTA
County
Bastrop
FIPS 48021
Median income (est.)
$47,177
IRS SOI 2022
Land Area
79.826 mi²
+ 0.037 mi² water

01Location & Geography

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

Primary CityRed Rock, 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
Coordinates29.924133, -97.42471
Land / Water Area79.826 mi² land · 0.037 mi² water

02Income & Economics

Distribution of the 1,330 individual tax returns filed in 78662 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
29.3%
$25K–$50K
23.3%
$50K–$75K
15.0%
$75K–$100K
10.5%
$100K–$200K
16.5%
$200K+
5.3%
The $200,000+ bracket accounts for 23% of 78662's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($47,177) 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 78662's IRS income metrics, 2020–2022.

Median income (2021→2022)
$47,177
▲ 1.1%
Filers earning $200K+
5.3%
▲ 0.5 pt
Total filers
1,330
▲ 5.6%
GET /zipc/v2/zipcodes/78662/soi?year=… $43K 2020 $47K 2021 $47K 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 78662 ZCTA.

2000
2,078
 
2010
2,268
▲ +9.1%
2020
2,890
▲ +27.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number487505
City AliasesRed Rock

06Frequently Asked Questions

What county is ZIP code 78662 in?

ZIP code 78662 is in Bastrop County, Texas (county FIPS code 48021).

What city is ZIP code 78662?

The primary USPS city for 78662 is Red Rock, TX.

What metro area (MSA) is 78662 in?

78662 is part of the Austin-Round Rock, TX Metro Area (MSA code 12420).

What is the population of ZIP code 78662?

The 2020 Census population of 78662 was 2,890 residents.

What is the median income in ZIP code 78662?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78662 is about $47,177, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.