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US ZIP Code Profile

ZIP Code 77426
Chappell Hill, Texas

ZIP code 77426 is in Chappell Hill, located in Washington County, Texas, within the Brenham metro area. Its 2020 Census population was 2,053. The estimated median adjusted gross income per tax return is $48,958, and about 13% of filers report $200,000 or more.

2020 Population
2,053
Census ZCTA
County
Washington
FIPS 48477
Median income (est.)
$48,958
IRS SOI 2022
Land Area
88.766 mi²
+ 1.913 mi² water

01Location & Geography

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

Primary CityChappell Hill, TX
CountyWashington County (FIPS 48477)
StateTexas (FIPS 48)
Metro Area (MSA)Brenham, TX Micro Area (14780)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.1223, -96.258446
Land / Water Area88.766 mi² land · 1.913 mi² water

02Income & Economics

Distribution of the 1,180 individual tax returns filed in 77426 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.5%
$25K–$50K
20.3%
$50K–$75K
11.0%
$75K–$100K
7.6%
$100K–$200K
17.8%
$200K+
12.7%
The $200,000+ bracket accounts for 58% of 77426's total adjusted gross income, from 13% of returns — a concentration that drives the gap between the median ($48,958) 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 77426's IRS income metrics, 2020–2022.

Median income (2021→2022)
$48,958
▲ 9.5%
Filers earning $200K+
12.7%
▼ 0.3 pt
Total filers
1,180
▲ 2.6%
GET /zipc/v2/zipcodes/77426/soi?year=… $42K 2020 $45K 2021 $49K 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 77426 ZCTA.

2000
1,319
 
2010
2,100
▲ +59.2%
2020
2,053
▼ -2.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number481637
City AliasesChappell Hill

06Frequently Asked Questions

What county is ZIP code 77426 in?

ZIP code 77426 is in Washington County, Texas (county FIPS code 48477).

What city is ZIP code 77426?

The primary USPS city for 77426 is Chappell Hill, TX.

What metro area (MSA) is 77426 in?

77426 is part of the Brenham, TX Micro Area (MSA code 14780).

What is the population of ZIP code 77426?

The 2020 Census population of 77426 was 2,053 residents.

What is the median income in ZIP code 77426?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77426 is about $48,958, with around 13% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.