Get API Key →
US ZIP Code Profile

ZIP Code 75645
Gilmer, Texas

ZIP code 75645 is in Gilmer, located in Upshur County, Texas, within the Longview metro area. Its 2020 Census population was 10,724. The estimated median adjusted gross income per tax return is $45,421, and about 4% of filers report $200,000 or more.

2020 Population
10,724
Census ZCTA
County
Upshur
FIPS 48459
Median income (est.)
$45,421
IRS SOI 2022
Land Area
145.05 mi²
+ 1.832 mi² water

01Location & Geography

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

Primary CityGilmer, TX
CountyUpshur County (FIPS 48459)
StateTexas (FIPS 48)
Metro Area (MSA)Longview, TX Metro Area (30980)
Census Region / DivisionSouth Region · West South Central Division
Coordinates32.68869, -94.87184
Land / Water Area145.05 mi² land · 1.832 mi² water

02Income & Economics

Distribution of the 4,450 individual tax returns filed in 75645 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.5%
$25K–$50K
22.7%
$50K–$75K
15.3%
$75K–$100K
9.9%
$100K–$200K
17.1%
$200K+
3.6%
The $200,000+ bracket accounts for 22% of 75645's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($45,421) 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 75645's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,421
▲ 7.4%
Filers earning $200K+
3.6%
▲ 0.6 pt
Total filers
4,450
▲ 2.1%
GET /zipc/v2/zipcodes/75645/soi?year=… $40K 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 75645 ZCTA.

2010
9,778
 
2020
10,724
▲ +9.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number483515
City AliasesGilmer

06Frequently Asked Questions

What county is ZIP code 75645 in?

ZIP code 75645 is in Upshur County, Texas (county FIPS code 48459).

What city is ZIP code 75645?

The primary USPS city for 75645 is Gilmer, TX.

What metro area (MSA) is 75645 in?

75645 is part of the Longview, TX Metro Area (MSA code 30980).

What is the population of ZIP code 75645?

The 2020 Census population of 75645 was 10,724 residents.

What is the median income in ZIP code 75645?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 75645 is about $45,421, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.