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US ZIP Code Profile

ZIP Code 76531
Hamilton, Texas

ZIP code 76531 is in Hamilton, located in Hamilton County, Texas. Its 2020 Census population was 4,695. The estimated median adjusted gross income per tax return is $45,370, and about 5% of filers report $200,000 or more.

2020 Population
4,695
Census ZCTA
County
Hamilton
FIPS 48193
Median income (est.)
$45,370
IRS SOI 2022
Land Area
381.441 mi²
+ 0.246 mi² water

01Location & Geography

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

Primary CityHamilton, TX
CountyHamilton County (FIPS 48193)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates31.686811, -98.18703
Land / Water Area381.441 mi² land · 0.246 mi² water

02Income & Economics

Distribution of the 2,160 individual tax returns filed in 76531 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
29.6%
$25K–$50K
25.0%
$50K–$75K
15.7%
$75K–$100K
9.7%
$100K–$200K
14.8%
$200K+
5.1%
The $200,000+ bracket accounts for 53% of 76531's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($45,370) 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 76531's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,370
▲ 7.2%
Filers earning $200K+
5.1%
▼ 0.5 pt
Total filers
2,160
▲ 0.0%
GET /zipc/v2/zipcodes/76531/soi?year=… $37K 2020 $42K 2021 $45K 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 76531 ZCTA.

2000
4,838
 
2010
4,978
▲ +2.9%
2020
4,695
▼ -5.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number483850
City AliasesHamilton, Indian Gap, Shive

06Frequently Asked Questions

What county is ZIP code 76531 in?

ZIP code 76531 is in Hamilton County, Texas (county FIPS code 48193).

What city is ZIP code 76531?

The primary USPS city for 76531 is Hamilton, TX.

What is the population of ZIP code 76531?

The 2020 Census population of 76531 was 4,695 residents.

What is the median income in ZIP code 76531?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 76531 is about $45,370, 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.