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US ZIP Code Profile

ZIP Code 76645
Hillsboro, Texas

ZIP code 76645 is in Hillsboro, located in Hill County, Texas. Its 2020 Census population was 11,274. The estimated median adjusted gross income per tax return is $39,860, and about 3% of filers report $200,000 or more.

2020 Population
11,274
Census ZCTA
County
Hill
FIPS 48217
Median income (est.)
$39,860
IRS SOI 2022
Land Area
167.461 mi²
+ 3.891 mi² water

01Location & Geography

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

Primary CityHillsboro, TX
CountyHill County (FIPS 48217)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates32.022465, -97.13336
Land / Water Area167.461 mi² land · 3.891 mi² water

02Income & Economics

Distribution of the 5,140 individual tax returns filed in 76645 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.5%
$25K–$50K
27.8%
$50K–$75K
16.3%
$75K–$100K
8.8%
$100K–$200K
10.7%
$200K+
2.9%
The $200,000+ bracket accounts for 22% of 76645's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($39,860) 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 76645's IRS income metrics, 2020–2022.

Median income (2021→2022)
$39,860
▲ 7.5%
Filers earning $200K+
2.9%
▲ 0.1 pt
Total filers
5,140
▲ 2.8%
GET /zipc/v2/zipcodes/76645/soi?year=… $34K 2020 $37K 2021 $40K 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 76645 ZCTA.

2000
10,920
 
2010
11,039
▲ +1.1%
2020
11,274
▲ +2.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number484075
City AliasesChat, Hillsboro, Lovelace, Peoria, Vaughan, Winslow, Woodbury

06Frequently Asked Questions

What county is ZIP code 76645 in?

ZIP code 76645 is in Hill County, Texas (county FIPS code 48217).

What city is ZIP code 76645?

The primary USPS city for 76645 is Hillsboro, TX.

What is the population of ZIP code 76645?

The 2020 Census population of 76645 was 11,274 residents.

What is the median income in ZIP code 76645?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 76645 is about $39,860, 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.