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US ZIP Code Profile

ZIP Code 79079
Shamrock, Texas

ZIP code 79079 is in Shamrock, located in Wheeler County, Texas. Its 2020 Census population was 2,461. The estimated median adjusted gross income per tax return is $39,583, and about 3% of filers report $200,000 or more.

2020 Population
2,461
Census ZCTA
County
Wheeler
FIPS 48483
Median income (est.)
$39,583
IRS SOI 2022
Land Area
535.886 mi²
+ 0.169 mi² water

01Location & Geography

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

Primary CityShamrock, TX
CountyWheeler County (FIPS 48483)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates35.20898, -100.24292
Land / Water Area535.886 mi² land · 0.169 mi² water

02Income & Economics

Distribution of the 960 individual tax returns filed in 79079 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
35.4%
$25K–$50K
25.0%
$50K–$75K
13.5%
$75K–$100K
10.4%
$100K–$200K
12.5%
$200K+
3.1%
The $200,000+ bracket accounts for 24% of 79079's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($39,583) 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 79079's IRS income metrics, 2020–2022.

Median income (2021→2022)
$39,583
▲ 5.6%
Filers earning $200K+
3.1%
▲ 0.0 pt
Total filers
960
▲ 0.0%
GET /zipc/v2/zipcodes/79079/soi?year=… $35K 2020 $38K 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 79079 ZCTA.

2000
2,796
 
2010
2,646
▼ -5.4%
2020
2,461
▼ -7.0%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number488275
City AliasesShamrock, Twitty

06Frequently Asked Questions

What county is ZIP code 79079 in?

ZIP code 79079 is in Wheeler County, Texas (county FIPS code 48483).

What city is ZIP code 79079?

The primary USPS city for 79079 is Shamrock, TX.

What is the population of ZIP code 79079?

The 2020 Census population of 79079 was 2,461 residents.

What is the median income in ZIP code 79079?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 79079 is about $39,583, 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.