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Sell my land in
Dallam County.

Dallam County has 1,503.4 square miles of land in Texas. 2 mapped landscape regions meet across Dallam County: Canadian/Cimarron High Plains, Rolling Sand Plains.

A local understanding of the land. A straightforward conversation about what comes next.

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Larry G · “The Land Buyer”40+ years in real estate
The Dallam County Courthouse. I took photo on July 14, 2008.Billy Hathorn (talk) 02:31, 18 September 2008 (UTC) — Texas
A VIEW OF THE AREA

The Dallam County Courthouse. I took photo on July 14, 2008.Billy Hathorn (talk) 02:31, 18 September 2008 (UTC) — Texas

Photo & credit
Dallam County, TX, Courthouse IMG 0555.JPG

The original uploader was Billy Hathorn at English Wikipedia. · Transferred from en.wikipedia to Commons.

CC BY-SA 3.0About our local imagery →
THE SETTINGCanadian/Cimarron High Plains
COMMUNITIES IN THE ATLAS2 listed localities
YOUR STARTING POINTOpen Dallam County on the map

THE DALLAM COUNTY LAND BRIEF

Land in the
Canadian/Cimarron High Plains setting.

Dallam County has 1,503.4 square miles of land in Texas. 2 mapped landscape regions meet across Dallam County: Canadian/Cimarron High Plains, Rolling Sand Plains.

Broad, comparatively smooth plains distinguish the High Plains from neighboring broken terrain. The natural grassland setting is drier and higher than the Central Great Plains to the east.

Regional context: High Plains ↗ · Regional mapping across the county footprint

Where the landscape changes

Dallam County intersects 2 mapped regional units. The largest mapped shares are:

  1. Canadian/Cimarron High Plains63%
  2. Rolling Sand Plains37%
Percent of the county footprint covered by the regional layer, which covers approximately 100% of its cartographic area. Regional units do not define individual parcels.

Finding your parcel within Dallam County

The atlas lists 2 cities, towns, townships, and Census communities associated with Dallam County, including Dalhart, Texline. The list includes overlapping geography types and does not divide the county into exclusive service areas.

Dallam County

Dallam County by land and water

The Census records 1.78 square miles of water within Dallam County, or 0.1% of its total area. That share is close to Dallam County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.

For scale, Dallam County has 314.3 times the land area of nearby Dalhart city (4.78 square miles). These areas describe boundaries, not comparable property prices.

The Census boundary meets Hartley County, Moore County, Sherman County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

FROM LOCAL CONTEXT TO YOUR PARCEL

Three questions for
Dallam County land.

These starting questions follow this location’s jurisdiction, regional setting, and nearby geography. The answers come from the property itself.

01

Locate the parcel within Dallam County

Use a tax bill, deed, or assessor’s parcel number to pin down the land in Dallam County. The county includes 2 listed community geographies; a nearby community name does not prove the parcel is inside its limits.

02

Read the Canadian/Cimarron High Plains setting

Canadian/Cimarron High Plains belongs to High Plains. What do parcel records show about road frontage, water arrangements and any existing agricultural improvements on the open plains?

03

Check the route, beyond Dalhart

Dalhart is 16.5 miles south of the Dallam County reference point. That geographic proximity does not establish a drivable route or legal access. Which road reaches your land, and is the right to use it recorded?

OPEN THE RIGHT MAP. FIND THE RIGHT RECORD.

Dallam County resources,
ready to explore.

The topographic link opens at this location’s reference point. Government links identify the actual named jurisdiction in the Census directory.

MAP CENTERED ON DALLAM COUNTY

USGS National Map

Begin at 36.2864° N, 102.5940° W. Locate your parcel and inspect the available terrain and geographic layers.

Explore Dallam County ↗CENSUS-LISTED GOVERNMENT WEBSITE

County Of Dallam

Use this county government’s site to identify the relevant office and its current instructions. Confirm that it administers the record or land-use question for your parcel.

Open County Of Dallam ↗THIS GEOGRAPHY’S CENSUS PROFILE

Dallam County data

View Census information selected by this county’s geographic identifier. Available statistics depend on the geography and survey.

View the geography profile ↗THE REGIONAL MAP SOURCE

Canadian/Cimarron High Plains

Explore the agency mapping behind the High Plains context in this guide. Use the detailed map to identify the unit at your actual property.

View regional mapping ↗
Additional Texas landowner resources

TWDB data, apps, and maps

Official Texas groundwater, water-supply, and flood-related mapping resources.

TWDB groundwater viewer

State groundwater records and mapped aquifer, well, and management-area context.

FEMA flood mapsUSDA Web Soil SurveyWetlands mapper

PLACES, DISTANCES & CONNECTIONS

The communities of Dallam County.

Dalhart lies about 16.5 miles south of Dallam County by reference-point distance. The diagram locates nearby community reference points within the county geography.

WITHIN THE COUNTY GEOGRAPHY

Dallam County in context

NSEWDalhart · 16.5 miles1Texline · 24.5 miles2OUTER RING: 24.5 MILES
  1. 1
    Dalhart16.5 mi · city
  2. 2
    Texline24.5 mi · town
Positions are calculated from Census reference points. Crowded labels use a leader line to their exact dot. Straight-line distances within Texas; no roads, travel times, or service boundaries are implied.
Dalhartcity
Texlinetown
Browse all 2 communities
Explore TexasSearch another location

QUESTIONS GROUNDED IN THIS PLACE

Your Dallam County
land questions.

Have a tax bill, an inherited deed, or simply a map pin? Start with what you have.

What should I send for land in Dallam County?+

Send the parcel number or legal description, approximate acreage, and a map pin showing the property in Dallam County. Dallam County’s 1,503.4 square miles of land include many different property situations; the exact parcel is what we review.

Does Canadian/Cimarron High Plains describe all of Dallam County?+

The county’s mapped footprint intersects 2 regional units; Canadian/Cimarron High Plains is the largest mapped share. County-scale information cannot establish the soil, slope, drainage, or development potential of one tract.

Can I use Dalhart as a reference for my land?+

It can help explain the location: its Census point is about 16.5 miles south of Dallam County’s. That distance is not a driving route, utility connection, or comparable-sale adjustment. Share the actual access road and parcel records so we can review your property on its own facts.

Can I request an offer without being near Dallam County?+

Yes. Begin online with the property location and ownership details. Tell Larry G and the team what you know about the land, access, and any co-owners. We review the parcel before deciding whether to propose a purchase; if a sale moves forward, the closing company can explain remote signing arrangements.

Sources for this guide. 2025 U.S. Census geography supplies local names, area measurements, reference points, and map boundaries. Regional context uses EPA Level IV ecoregions mapping. Government links come from the Census 2026 Government Units Listing and are not individually certified by USA Land Offers. Read the mapping methods, coverage, and source details →

This guide describes a service area, not a local office. Maps and regional facts do not establish an individual parcel’s boundaries, permitted use, risk, or value.

GREAT LAND. GOOD PEOPLE.

Your land in Dallam County.
Your next chapter.

Tell Larry G and the team what you own and what you have in mind. Start with a free property review and a straightforward conversation.

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Request my cash offer(855) 956-2650