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US ZIP Code Profile

ZIP Code 75789
Troup, Texas

ZIP code 75789 is in Troup, located in Smith County, Texas, within the Tyler metro area. Its 2020 Census population was 8,045. The estimated median adjusted gross income per tax return is $47,139, and about 5% of filers report $200,000 or more.

2020 Population
8,045
Census ZCTA
County
Smith
FIPS 48423
Median income (est.)
$47,139
IRS SOI 2022
Land Area
188.915 mi²
+ 1.677 mi² water

01Location & Geography

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

Primary CityTroup, TX
CountySmith County (FIPS 48423)
StateTexas (FIPS 48)
Metro Area (MSA)Tyler, TX Metro Area (46340)
Census Region / DivisionSouth Region · West South Central Division
Coordinates32.109512, -95.09419
Land / Water Area188.915 mi² land · 1.677 mi² water

02Income & Economics

Distribution of the 3,630 individual tax returns filed in 75789 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
29.8%
$25K–$50K
22.9%
$50K–$75K
13.8%
$75K–$100K
10.5%
$100K–$200K
18.2%
$200K+
5.0%
The $200,000+ bracket accounts for 29% of 75789's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($47,139) 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 75789's IRS income metrics, 2020–2022.

Median income (2021→2022)
$47,139
▲ 6.1%
Filers earning $200K+
5.0%
▲ 0.7 pt
Total filers
3,630
▲ 2.3%
GET /zipc/v2/zipcodes/75789/soi?year=… $42K 2020 $44K 2021 $47K 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 75789 ZCTA.

2000
6,271
 
2010
7,593
▲ +21.1%
2020
8,045
▲ +6.0%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number489110
City AliasesGriffin, Henrys Chapel, Mixon, Sinclair City, Troup, Walnut Grove

06Frequently Asked Questions

What county is ZIP code 75789 in?

ZIP code 75789 is in Smith County, Texas (county FIPS code 48423).

What city is ZIP code 75789?

The primary USPS city for 75789 is Troup, TX.

What metro area (MSA) is 75789 in?

75789 is part of the Tyler, TX Metro Area (MSA code 46340).

What is the population of ZIP code 75789?

The 2020 Census population of 75789 was 8,045 residents.

What is the median income in ZIP code 75789?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 75789 is about $47,139, 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.