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US ZIP Code Profile

ZIP Code 75640
Diana, Texas

ZIP code 75640 is in Diana, located in Upshur County, Texas, within the Longview metro area. Its 2020 Census population was 5,438. The estimated median adjusted gross income per tax return is $50,758, and about 5% of filers report $200,000 or more.

2020 Population
5,438
Census ZCTA
County
Upshur
FIPS 48459
Median income (est.)
$50,758
IRS SOI 2022
Land Area
84.636 mi²
+ 1.909 mi² water

01Location & Geography

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

Primary CityDiana, TX
CountyUpshur County (FIPS 48459)
StateTexas (FIPS 48)
Metro Area (MSA)Longview, TX Metro Area (30980)
Census Region / DivisionSouth Region · West South Central Division
Coordinates32.708416, -94.68318
Land / Water Area84.636 mi² land · 1.909 mi² water

02Income & Economics

Distribution of the 2,420 individual tax returns filed in 75640 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.9%
$25K–$50K
20.7%
$50K–$75K
13.6%
$75K–$100K
11.2%
$100K–$200K
21.1%
$200K+
4.5%
The $200,000+ bracket accounts for 20% of 75640's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($50,758) 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 75640's IRS income metrics, 2020–2022.

Median income (2021→2022)
$50,758
▲ 7.9%
Filers earning $200K+
4.5%
▲ 1.2 pt
Total filers
2,420
▲ 1.3%
GET /zipc/v2/zipcodes/75640/soi?year=… $45K 2020 $47K 2021 $51K 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 75640 ZCTA.

2000
4,047
 
2010
4,652
▲ +14.9%
2020
5,438
▲ +16.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number482472
City AliasesAshland, Diana, New Diana

06Frequently Asked Questions

What county is ZIP code 75640 in?

ZIP code 75640 is in Upshur County, Texas (county FIPS code 48459).

What city is ZIP code 75640?

The primary USPS city for 75640 is Diana, TX.

What metro area (MSA) is 75640 in?

75640 is part of the Longview, TX Metro Area (MSA code 30980).

What is the population of ZIP code 75640?

The 2020 Census population of 75640 was 5,438 residents.

What is the median income in ZIP code 75640?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 75640 is about $50,758, 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.