ZIP Codes of Donley County, TX

Population & People
Population & People
Total Population
3,388
Household Income
Household Income
Median Income
$58,860
Housing
Housing
Total Housing Units
2,001
Business & Economy
Business & Economy
Total Businesses
67
Employment
Employment
Employment Rate
51.76%
Education
Education
Bachelor's Degree+
17.01%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:806
Timezone:Central (GMT -06:00)
Local Time:2:13:53 PM
Population:3,388 [See All]
FIPS:48129
Land Area:1,188 sq mi
Water Area:7 sq mi
Coordinates:34.8770, -100.7941
Quick Link:
https://www.zip-codes.com/county/tx-donley.asp
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Texas's #211 most populous county
3,388 residents across 3 ZIPs — #211 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Clarendon · 2,855 people
84.3% of county total
Highest Income
Hedley · $59,688 median
1.0× county average
Largest Land Area
Clarendon · 943.3 sq mi
Spans the most ground
Fastest Growth
Clarendon · -7.0% (10-yr)
3,070 → 2,855 residents
Most Educated
Clarendon · 17.3% bachelor's+
312 of 1,799 adults 25+

Things worth knowing about Donley County


3,388 residents live across 3 ZIPs covering 1,188 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 3,557 to 3,388 from 2014 to 2024 — a -4.8% change. 2 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 79237 (Hedley, $59,688 median) and poorest ZIP 79226 (Clarendon, $58,031) are 22.2 miles apart — a 1.0× income gap across local geography.

Median home values vary 1.6× across this county — from $62,500 in 79237 (Hedley) to $102,700 in 79226 (Clarendon).

Density varies across the county — from 2 people/sq mi in 79237 (Hedley) to 3 in 79226 (Clarendon).

Educational attainment ranges from 15.4% bachelor's+ in 79237 (Hedley) to 17.3% in 79226 (Clarendon) — the breadth of educational profiles across the area.

Within Texas, this is the #211 most populous of 254 counties and ranks #186 for median household income .

Weighted by population, the typical household earns about $58,279 across the county — reflecting what a typical resident sees, not a simple ZIP average.

17.0% of adults age 25+ hold a bachelor's degree or higher (379 of 2,228 reporting).

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

Stories about Donley 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
1,188
square miles
Avg density
2.9
people per sq mi
Population
3,388
across 3 ZIPs
Clarendon
943.3 sq mi
2,855 residents
Hedley
237.8 sq mi
503 residents
Lelia Lake
6.5 sq mi
30 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.

Clarendon

All ZIP Codes in Donley County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
79226ClarendonStandard2,855$58,031943.3-7.0%
79237HedleyStandard503$59,688237.87.2%
79240Lelia LakeStandard306.566.7%

Adjacent & Nearby Counties