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Oldham County, Texas

Updated November 1, 2026 · Data: U.S. Census Bureau

Oldham County, Texas has its county seat in Vega and FIPS code 48359. About 2,097 people live here, the 232nd most populated of the 254 Texas counties.

County seat	Vega
FIPS code	48359 (Texas 48 + county 359) · all Texas FIPS codes
Population	2,097 (232nd of 254)
Land area	1,500.5 sq mi (21st largest; + 0.9 sq mi water)
People per sq mi	1.4
Time zone	Central time (America/Chicago)
Median home value	$144,800
Median property tax paid	$1,878 a year (about 1.3% of the median home value: our calculation, not an official rate)
Official website	www.co.oldham.tx.us

What counties border Oldham County?

Oldham County shares a border with 5 counties:

What ZIP codes are in Oldham County?

6 ZIP code areas with residents touch Oldham County; the ones marked * cross into another county.

Check an exact address with the address lookup, look up a ZIP code, or see how to confirm your county with official records.

Sources: Census TIGER/Line 2024 (boundary, area, neighbors); ACS 2019-2023 5-year (population, home value, taxes paid); Wikidata, CC0 (seat, website); timezone-boundary-builder (time zone). Data as of November 1, 2026. Not affiliated with any government agency.

FAQ

Frequently asked questions

What is the county seat of Oldham County, Texas?

Vega.

What is the FIPS code for Oldham County?

48359. The first two digits (48) are Texas; the last three (359) are the county.

What counties border Oldham County?

Quay County, NM, Deaf Smith County, Hartley County, Moore County, Potter County.

How many people live in Oldham County?

About 2,097 (ACS 2019-2023 5-year estimate), the 232nd most of the 254 Texas counties.

What time zone is Oldham County in?

Central time (America/Chicago).

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