Dallam County

Dallam County, Texas

Dallam County, Texas

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

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.

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

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County Map of Texas

Dallam County

Highlighted:
  • Dallam County

Currently Exists

Yes

Place type

Dallam County is classified as a County

Altitude Range

3655 ft – 4780 ft

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Dallam County by the Numbers

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Population Counts

Dallam County
Pop. Year Source
7,287 2019 United States Census Bureau

Civilian Labor Counts

Dallam County
People Year Source
3,524 2019 Texas Workforce Commission

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Per Capita Income (USD) Year Source
$52,148 2019 U.S. Bureau of Economic Analysis

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Property Values

Dallam County
USD ($) Year Source
1,628,531,651 2019 State Property Tax Board

Retail Sales

Dallam County
USD ($) Year Source
135,032,542 2019 State Comptroller of Public Accounts

Wages

Dallam County
USD ($) Year Source
56,270,495 2019 Texas Workforce Commission

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Unemployment Percentage Year Source
3.1 2019 Texas Workforce Commission

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Rainfall (inches) Year Source
17.6 2019 National Oceanic and Atmospheric Administration

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Min. (January Average, °F) Max. (July Average, °F) Year Source
18.3 91.1 2019 National Oceanic and Atmospheric Administration

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Land Area

Dallam County
Area (square miles) Year Source
1,503.3 2019 United States Census Bureau

Total Area

Dallam County
Area (square miles) Year Source
1,505.3 2019 United States Census Bureau