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US ZIP Code Profile

ZIP Code 77531
Clute, Texas

ZIP code 77531 is in Clute, located in Brazoria County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 15,666. The estimated median adjusted gross income per tax return is $41,516, and about 3% of filers report $200,000 or more.

2020 Population
15,666
Census ZCTA
County
Brazoria
FIPS 48039
Median income (est.)
$41,516
IRS SOI 2022
Land Area
19.748 mi²
+ 0.917 mi² water

01Location & Geography

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

Primary CityClute, TX
CountyBrazoria County (FIPS 48039)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.046572, -95.39109
Land / Water Area19.748 mi² land · 0.917 mi² water

02Income & Economics

Distribution of the 7,150 individual tax returns filed in 77531 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.2%
$25K–$50K
27.0%
$50K–$75K
14.5%
$75K–$100K
8.7%
$100K–$200K
14.4%
$200K+
3.2%
The $200,000+ bracket accounts for 16% of 77531's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($41,516) 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 77531's IRS income metrics, 2020–2022.

Median income (2021→2022)
$41,516
▲ 9.5%
Filers earning $200K+
3.2%
▲ 0.6 pt
Total filers
7,150
▼ 1.2%
GET /zipc/v2/zipcodes/77531/soi?year=… $38K 2020 $38K 2021 $42K 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 77531 ZCTA.

2000
14,570
 
2010
15,639
▲ +7.3%
2020
15,666
▲ +0.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number481855
City AliasesClute, Richwood

06Frequently Asked Questions

What county is ZIP code 77531 in?

ZIP code 77531 is in Brazoria County, Texas (county FIPS code 48039).

What city is ZIP code 77531?

The primary USPS city for 77531 is Clute, TX.

What metro area (MSA) is 77531 in?

77531 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77531?

The 2020 Census population of 77531 was 15,666 residents.

What is the median income in ZIP code 77531?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77531 is about $41,516, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.