ZIP Codes of Oldham County, TX

Population & People
Population & People
Total Population
2,721
Household Income
Household Income
Median Income
$78,814
Housing
Housing
Total Housing Units
1,027
Business & Economy
Business & Economy
Total Businesses
53
Employment
Employment
Employment Rate
50.89%
Education
Education
Bachelor's Degree+
21.70%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:806
Timezone:Central (GMT -06:00)
Local Time:2:14:00 PM
Population:2,721 [See All]
FIPS:48359
CBSA:Amarillo, TX
Land Area:1,650 sq mi
Water Area:1 sq mi
Coordinates:35.3293, -102.4241
Quick Link:
https://www.zip-codes.com/county/tx-oldham.asp
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Texas's #225 most populous county
2,721 residents across 4 ZIPs — #225 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Vega · 1,361 people
50.0% of county total
Highest Income
Adrian · $83,125 median
1.1× county average
Largest Land Area
Adrian · 772.3 sq mi
Spans the most ground
Fastest Growth
— growth not calculable
Most Educated
— no education data

Things worth knowing about Oldham County


2,721 residents live across 4 ZIPs covering 1,650 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 2,357 to 2,721 from 2014 to 2024 — a +15.4% change. 2 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 79001 (Adrian, $83,125 median) and poorest ZIP 79098 (Wildorado, $70,250) are 35.9 miles apart — a 1.2× income gap across local geography.

Median home values vary 1.4× across this county — from $122,500 in 79001 (Adrian) to $176,700 in 79092 (Vega).

Density varies 69× across the county — from 0 people/sq mi in 79001 (Adrian) to 15 in 79010 (Boys Ranch).

Educational attainment ranges from 14.7% bachelor's+ in 79098 (Wildorado) to 75.0% in 79010 (Boys Ranch) — the breadth of educational profiles across the area.

Within Texas, this is the #225 most populous of 254 counties and ranks #62 for median household income with the #39 fastest decade growth .

Weighted by population, the typical household earns about $79,565 across the county — reflecting what a typical resident sees, not a simple ZIP average.

21.7% of adults age 25+ hold a bachelor's degree or higher (359 of 1,654 reporting).

3 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Oldham 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
1,650
square miles
Avg density
1.6
people per sq mi
Population
2,721
across 4 ZIPs
Adrian
772.3 sq mi
168 residents
Vega
677.4 sq mi
1,361 residents
Wildorado
159.1 sq mi
576 residents

All ZIP Codes in Oldham County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
79092VegaStandard1,361$83,068677.447.5%
79010Boys RanchPO Box61641.0-11.5%
79098WildoradoStandard576$70,250159.137.5%
79001AdrianStandard168$83,125772.3-47.3%

Adjacent & Nearby Counties