Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/TX/COUNTY/LAMB

Lamb County, TX ZIP codes

There are 7 ZIP codes in Lamb County, TX, in 7 towns, from 79031 to 79369. The largest are 79339 (Littlefield), 79064 (Olton) and 79031 (Earth). 2 more cross into it from neighbouring counties: 79313 and 79371.

The county seat is Littlefield.

ZIP codes
7
Partly in it
2 more
Towns
7
County seat
Littlefield
County FIPS
48279
State
Texas
Population
12,828
Median household income
$60,760
Land area
1,016 sq mi

Lamb County ZIP codes by town

Littlefield (county seat)
79339

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.

ZIP codes partly in Lamb County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Lamb County.

Map of Lamb County ZIP codes

The ZIP codes of Lamb 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.

Lamb County in numbers

About 12,828 people live in Lamb County, in 4,677 households, the 147th most populous of Texas's 254 counties. The median household income is $60,760 a year, 23% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $82,400 (71% below the Texas median), and median gross rent is $968 a month. The median age is 37.1; 14.3% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 16 minutes.

Population12,828Lamb12,828
Households4,677Lamb4,677
Median age37.1Lamb37.1Texas35.6US 38.9
Median household income$60,760Lamb$60,760Texas$78,476US $80,734
Median home value$82,400Lamb$82,400Texas$283,800US $332,700
Median gross rent$968Lamb$968Texas$1,403US $1,413
Bachelor's degree or higher14.3%Lamb14.3%Texas33.8%US 35.7%
Mean commute16.4 minLamb16.4 minTexas26.7 minUS 26.4 min
Population density13 / sq miLamb13 / 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 Lamb County

Largest towns in Lamb County
TownZIP codesPopulation
Littlefield 1 5,822
Olton 1 1,552
Earth 1 925
Amherst 1 902
Springlake 1 98
Fieldton 1 51
Spade 1 33

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 Lamb County.

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

Every ZIP code in Lamb County, with figures

ZIP codes in Lamb County
ZIP City Type Population Median income Median home
79031 Earth , TX Standard 1,156 $43,750 $96,600
79064 Olton , TX Standard 2,099 $59,698 $89,500
79082 Springlake , TX Standard 382 $67,440 —
79312 Amherst , TX Standard 1,130 $64,722 $49,100
79326 Fieldton , TX Standard 51 — —
79339 Littlefield , TX Standard 6,685 $60,375 $79,000
79369 Spade , TX Standard 43 — $86,700

Cite this page

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

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