| ZIP Codes: | 8 ZIP Codes (7 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 806 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:58 PM |
| Population: | 12,942 [See All] |
| FIPS: | 48279 |
| Land Area: | 1,324 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 34.0741, -102.3639 |
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12,942 residents live across 8 ZIPs covering 1,324 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 13,894 to 12,942 from 2014 to 2024 — a -6.9% change. 2 ZIPs gained residents, 5 lost (and 1 held flat).
The county's wealthiest ZIP 79082 (Springlake, $67,440 median) and poorest ZIP 79031 (Earth, $43,750) are 6.4 miles apart — a 1.5× income gap across local geography.
Median home values vary 2.1× across this county — from $49,100 in 79312 (Amherst) to $101,600 in 79371 (Sudan).
Density varies 6× across the county — from 3 people/sq mi in 79371 (Sudan) to 19 in 79339 (Littlefield).
Educational attainment ranges from 9.1% bachelor's+ in 79031 (Earth) to 26.4% in 79082 (Springlake) — the breadth of educational profiles across the area.
Within Texas, this is the #146 most populous of 254 counties and ranks #177 for median household income .
Weighted by population, the typical household earns about $59,854 across the county — reflecting what a typical resident sees, not a simple ZIP average.
14.4% of adults age 25+ hold a bachelor's degree or higher (1,183 of 8,218 reporting).
7 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Lamb County lost 6.9% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 79339 | Littlefield | Standard | 6,685 | $60,375 | 355.6 | -7.9% |
| 79064 | Olton | Standard | 2,099 | $59,698 | 157.4 | -7.2% |
| 79371 | Sudan | Standard | 1,396 | $64,917 | 480.0 | 2.0% |
| 79031 | Earth | Standard | 1,156 | $43,750 | 106.4 | -10.4% |
| 79312 | Amherst | Standard | 1,130 | $64,722 | 112.0 | -6.4% |
| 79082 | Springlake | Standard | 382 | $67,440 | 83.6 | 0.0% |
| 79326 | Fieldton | Standard | 51 | — | 28.8 | — |
| 79369 | Spade | PO Box | 43 | — | 0.0 | -65.9% |