ZIP Codes of Dawson County, TX

Population & People
Population & People
Total Population
11,941
Household Income
Household Income
Median Income
$49,000
Housing
Housing
Total Housing Units
4,805
Business & Economy
Business & Economy
Total Businesses
261
Employment
Employment
Employment Rate
48.08%
Education
Education
Bachelor's Degree+
12.44%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:806
Timezone:Central (GMT -06:00)
Local Time:2:13:53 PM
Population:11,941 [See All]
FIPS:48115
Land Area:976 sq mi
Water Area:1 sq mi
Coordinates:32.8146, -102.1513
Quick Link:
https://www.zip-codes.com/county/tx-dawson.asp
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Notable population decline
Lost 11.0% of residents since 2014.

Standout ZIPs in this County


Most Populous
Lamesa · 11,711 people
98.1% of county total
Highest Income
Lamesa · $54,000 median
1.1× county average
Largest Land Area
Lamesa · 929.9 sq mi
Spans the most ground
Fastest Growth
Lamesa · -11.1% (10-yr)
13,169 → 11,711 residents
Most Educated
Lamesa · 12.3% bachelor's+
924 of 7,526 adults 25+

Things worth knowing about Dawson County


11,941 residents live across 2 ZIPs covering 976 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 13,418 to 11,941 from 2014 to 2024 — a -11.0% change. 0 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 79331 (Lamesa, $54,000 median) and poorest ZIP 79377 (Welch, $44,000) are 30.1 miles apart — a 1.2× income gap across local geography.

Median home values vary 1.4× across this county — from $101,800 in 79331 (Lamesa) to $144,100 in 79377 (Welch).

Density varies across the county — from 5 people/sq mi in 79377 (Welch) to 13 in 79331 (Lamesa).

Educational attainment ranges from 12.3% bachelor's+ in 79331 (Lamesa) to 20.4% in 79377 (Welch) — the breadth of educational profiles across the area.

Within Texas, this is the #153 most populous of 254 counties and ranks #235 for median household income .

Weighted by population, the typical household earns about $53,807 across the county — reflecting what a typical resident sees, not a simple ZIP average.

12.4% of adults age 25+ hold a bachelor's degree or higher (955 of 7,678 reporting).

2 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Dawson County


Big & sparse

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.

Total area
976
square miles
Avg density
12.2
people per sq mi
Population
11,941
across 2 ZIPs
Lamesa
929.9 sq mi
11,711 residents
Welch
46.1 sq mi
230 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Lamesa

Population decline

Dawson County lost 11.0% of residents between 2014 and 2024. ZIPs that shed the largest share:

Lamesa
-11.1%
13,169 → 11,711 residents

All ZIP Codes in Dawson County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
79331LamesaStandard11,711$54,000929.9-11.1%
79377WelchStandard230$44,00046.1-7.6%

Adjacent & Nearby Counties