Dallam County on the map of Texas 2024. Cities, roads, borders and directions in Dallam County of Texas.

Dallam County is located on the northern border of Texas. This well known county is named after James Wilmer Dallam, a lawyer and newspaper publisher who had a close association with the Supreme Court of Texas. The county seat of Dallam County is Dalhart. The county's area is estimated at 1505 square miles. Established in 1876, today Dallam County is home to 7 thousand residents. This map shows the borders of Dallam County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Dallam County.