[4] It is named in honor of Davy Crockett, the legendary frontiersman who died at the Battle of the Alamo.

The earliest known Native American tribes were the Tonkawa, Lipan Apache, and Comanche.

[5] In 1590, Spanish explorer Gaspar Castaño de Sosa led a mining expedition of 170 who passed through the western section of Crockett County to reach the Pecos River.

[6] On May 22, 1684, Juan Domínguez de Mendoza and his expedition crossed the Pecos River and camped at San Pantaleón.

[7] John Coffee Hays's 1849 expedition charted waterholes for transporting people and freight.,[8] and three years later, U.S. Army Colonel Joseph K. Mansfield recommended establishing a new post on Live Oak Creek to protect travelers.

[5] Stagecoach services began running in 1900, and contemporary county reports listed seven manufacturing firms.

[5] The Crockett County Courthouse was built in 1902 by architect Oscar Ruffini.

The building does multiple duty for courtroom and county offices, as well as a community center and dance hall.

[15] According to the U.S. Census Bureau, the county has a total area of 2,807 square miles (7,270 km2), virtually all of which is land.