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zipcodes.pro — STATE/TX/COUNTY/DALLAM

Dallam County, TX ZIP codes

Dallam County, TX has 3 ZIP codes, in 3 towns: 79022, 79087 and 79051.

The county seat is Dalhart.

ZIP codes
3
Towns
3
County seat
Dalhart
County FIPS
48111
State
Texas
Population
7,298
Median household income
$71,500
Land area
1,503 sq mi

Dallam County ZIP codes by town

Dalhart (county seat)
79022

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Dallam County ZIP codes

790227905179087

The ZIP codes of Dallam County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Dallam County in numbers

About 7,298 people live in Dallam County, in 2,586 households, the 183rd most populous of Texas's 254 counties. The median household income is $71,500 a year, 9% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $151,400 (47% below the Texas median), and median gross rent is $1,081 a month. The median age is 29.9; 11.9% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 15 minutes.

Population7,298Dallam7,298
Households2,586Dallam2,586
Median age29.9Dallam29.9Texas35.6US 38.9
Median household income$71,500Dallam$71,500Texas$78,476US $80,734
Median home value$151,400Dallam$151,400Texas$283,800US $332,700
Median gross rent$1,081Dallam$1,081Texas$1,403US $1,413
Bachelor's degree or higher11.9%Dallam11.9%Texas33.8%US 35.7%
Mean commute15.1 minDallam15.1 minTexas26.7 minUS 26.4 min
Population density5 / sq miDallam5 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Dallam County

Largest towns in Dallam County
TownZIP codesPopulation
Dalhart 1 7,902
Texline 1 569
Kerrick 1 9

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Dallam County.

Not sure you are in Dallam County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Dallam County, with figures

ZIP codes in Dallam County
ZIP City Type Population Median income Median home
79022 Dalhart , TX Standard 10,826 $72,286 $172,000
79051 Kerrick , TX Standard 9 — —
79087 Texline , TX Standard 813 $69,135 $102,600

Cite this page

zipcodes.pro. “Dallam County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/dallam

Underlying data is public domain or openly licensed — sources, vintages and licences.