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US ZIP Code Profile

ZIP Code 79109
Amarillo, Texas

ZIP code 79109 is in Amarillo, located in Randall County, Texas, within the Amarillo metro area. Its 2020 Census population was 42,509. The estimated median adjusted gross income per tax return is $48,166, and about 5% of filers report $200,000 or more.

2020 Population
42,509
Census ZCTA
County
Randall
FIPS 48381
Median income (est.)
$48,166
IRS SOI 2022
Land Area
10.43 mi²
+ 0.078 mi² water

01Location & Geography

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

Primary CityAmarillo, TX
CountyRandall County (FIPS 48381)
StateTexas (FIPS 48)
Metro Area (MSA)Amarillo, TX Metro Area (11100)
Census Region / DivisionSouth Region · West South Central Division
Coordinates35.166416, -101.88642
Land / Water Area10.43 mi² land · 0.078 mi² water

02Income & Economics

Distribution of the 19,420 individual tax returns filed in 79109 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
27.2%
$25K–$50K
24.6%
$50K–$75K
15.5%
$75K–$100K
10.6%
$100K–$200K
17.3%
$200K+
4.8%
The $200,000+ bracket accounts for 38% of 79109's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($48,166) 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 79109's IRS income metrics, 2020–2022.

Median income (2021→2022)
$48,166
▲ 6.7%
Filers earning $200K+
4.8%
▲ 0.4 pt
Total filers
19,420
▼ 1.0%
GET /zipc/v2/zipcodes/79109/soi?year=… $43K 2020 $45K 2021 $48K 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 79109 ZCTA.

2000
46,005
 
2010
43,516
▼ -5.4%
2020
42,509
▼ -2.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 79109. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 79109

Amarillo and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 79109 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number480225
City AliasesAmarillo

07Frequently Asked Questions

What county is ZIP code 79109 in?

ZIP code 79109 is in Randall County, Texas (county FIPS code 48381).

What city is ZIP code 79109?

The primary USPS city for 79109 is Amarillo, TX.

What metro area (MSA) is 79109 in?

79109 is part of the Amarillo, TX Metro Area (MSA code 11100).

What is the population of ZIP code 79109?

The 2020 Census population of 79109 was 42,509 residents.

What is the median income in ZIP code 79109?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 79109 is about $48,166, 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.