Dallam County

Dallam County, Texas

Dallam County, Texas

Dallam County Courthouse in Dalhart, Texas. Photograph by Aualliso.
Dallam County, Texas

Dallam County, Texas

Mapo of Dallam County, Texas. Map Credit: Robert Plocheck.

Dallam County is located in the far northwestern corner of the Texas Panhandle; its western border abuts New Mexico, and its northern boundary borders Oklahoma. The county seat, Dalhart, is located on the Dallam-Hartley county line in the south central part of the county. Texline, the county's only other incorporated town, is at the intersection of U.S. Highway 87 and the New Mexico border. The county's center lies at approximately 36°15' north latitude and 102°35' west longitude. Dallam County comprises approximately 1,505 square miles of the rolling grasslands of the Panhandle. The terrain is marked by numerous dry arroyos and by the intermittent Rita Blanca, Carrizo, and Coldwater creeks, all of which drain into the Canadian River. The county's sandy, sandy loam, loam, and salty clay loam soils support a variety of natural grasses and trees, as well as numerous crops, including wheat, corn, milo, sorghum, and other grain products. Ranching, the county's dominant industry, utilizes the abundant grasses to produce large numbers of beef cattle, along with some hogs and horses. The annual rainfall averages 17.38 inches, and the temperatures range from an average low of 19° F in January to an average high of 92° in July. The growing season averages 178 days annually.

Until White settlement reached it in the 1870s the Dallam County region existed as just a small portion of the huge, vacant High Plains that stretch from Texas to Canada. The earliest Plains Apache inhabitants were followed by the nomadic Comanches and Kiowas in their quest for buffalo and booty. Due to its proximity to both the Canadian River and New Mexico, this region undoubtedly witnessed the comings and going of Comancheros, ciboleros, and pastores as they ventured eastward from New Mexico into Comanchería.

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Donald R. Abbe, H. Allen Anderson | © TSHA

Handbook of Texas Logo

Adapted from the official Handbook of Texas, a state encyclopedia developed by Texas State Historical Association (TSHA). It is an authoritative source of trusted historical records.

Currently Exists

Yes

Place type

Dallam County is classified as a County

Altitude Range

3655 ft – 4780 ft

Size

Land area does not include water surface area, whereas total area does

  • Land Area: 1,503.3 mi²
  • Total Area: 1,505.3 mi²

Temperature

January mean minimum: 18.3°F
July mean maximum: 91.1°F

Rainfall, 2019

17.6 inches

Population Count, 2019

7,287

Civilian Labor Count, 2019

3,524

Unemployment, 2019

3.1%

Property Values, 2019

$1,628,531,651 USD

Per-Capita Income, 2019

$52,148 USD

Retail Sales, 2019

$135,032,542 USD

Wages, 2019

$56,270,495 USD

Dallam County

Highlighted:
  • Dallam County
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Place Type Population (Year/Source) Currently Exists
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Town 14 (2009) Yes
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Town 8,347 (2021) Yes
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Town 35 (2009) Yes
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Town 460 (2021) Yes
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