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US ZIP Code Profile

ZIP Code 79371
Sudan, Texas

ZIP code 79371 is in Sudan, located in Lamb County, Texas. Its 2020 Census population was 1,331. The estimated median adjusted gross income per tax return is $47,321, and about 5% of filers report $200,000 or more.

2020 Population
1,331
Census ZCTA
County
Lamb
FIPS 48279
Median income (est.)
$47,321
IRS SOI 2022
Land Area
281.142 mi²
+ 0.054 mi² water

01Location & Geography

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

Primary CitySudan, TX
CountyLamb County (FIPS 48279)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates33.95262, -102.96621
Land / Water Area281.142 mi² land · 0.054 mi² water

02Income & Economics

Distribution of the 570 individual tax returns filed in 79371 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.1%
$25K–$50K
24.6%
$50K–$75K
15.8%
$75K–$100K
10.5%
$100K–$200K
15.8%
$200K+
5.3%
The $200,000+ bracket accounts for 27% of 79371's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($47,321) 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 79371's IRS income metrics, 2020–2022.

Median income (2021→2022)
$47,321
▲ 8.2%
Filers earning $200K+
5.3%
▲ 1.8 pt
Total filers
570
▲ 0.0%
GET /zipc/v2/zipcodes/79371/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 79371 ZCTA.

2000
1,180
 
2010
1,317
▲ +11.6%
2020
1,331
▲ +1.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number488705
City AliasesGoodland, Sudan

06Frequently Asked Questions

What county is ZIP code 79371 in?

ZIP code 79371 is in Lamb County, Texas (county FIPS code 48279).

What city is ZIP code 79371?

The primary USPS city for 79371 is Sudan, TX.

What is the population of ZIP code 79371?

The 2020 Census population of 79371 was 1,331 residents.

What is the median income in ZIP code 79371?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 79371 is about $47,321, 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.