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Dawson County, Texas

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

Dawson County, Texas has its county seat in Lamesa and FIPS code 48115. About 12,311 people live here, the 152nd most populated of the 254 Texas counties.

County seat	Lamesa
FIPS code	48115 (Texas 48 + county 115) · all Texas FIPS codes
Population	12,311 (152nd of 254)
Land area	900.3 sq mi (144th largest; + 1.8 sq mi water)
People per sq mi	13.7
Time zone	Central time (America/Chicago)
Median home value	$90,800
Median property tax paid	$1,567 a year (about 1.73% of the median home value: our calculation, not an official rate)
Official website	www.co.dawson.tx.us

What counties border Dawson County?

Dawson County shares a border with 5 counties:

What cities and towns are in Dawson County?

1 places with 1,000+ people have residents here; together they hold about 69% of the county's population. The rest live in smaller communities and rural areas.

Place	Population	Residents in this county
Lamesa	8,527	100.0%

CDP = census-designated place: a named community with no city government.

What ZIP codes are in Dawson County?

4 ZIP code areas with residents touch Dawson 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 Dawson County, Texas?

Lamesa.

What is the FIPS code for Dawson County?

48115. The first two digits (48) are Texas; the last three (115) are the county.

What counties border Dawson County?

Borden County, Gaines County, Lynn County, Martin County, Terry County.

How many people live in Dawson County?

About 12,311 (ACS 2019-2023 5-year estimate), the 152nd most of the 254 Texas counties.

What time zone is Dawson County in?

Central time (America/Chicago).

What is the largest city in Dawson County?

Lamesa, with about 8,527 people (counting all of it, including any part in another county).

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