[4] It is named for Robert M. Coleman, a signer of the Texas Declaration of Independence and soldier at the Battle of San Jacinto.

[5] In 1632, Father Salas led an expedition to the upper Colorado River.

[5] In 1650, Captains Hernán Martín and Diego del Castillo explored the western portion of the county to the Concho River, and returned with pearls.

[5] From 1683 to 1684, Juan Domínguez de Mendoza established a short-lived Quicuchabe mission.

[6] In 1855, the county's oldest community, Trickham, was founded as a trading post for the ranching activities of John Chisum.

The county is named for Robert M. Coleman, a signer of the Texas Declaration of Independence.

Coleman's distinctive[15] brick-and-stucco Santa Fe depot was completed in 1915.

These school districts serve Coleman County: At the presidential level, Coleman County voted predominantly for the Democratic candidate from 1912 through 1948, with that tendency changing when native son Dwight D. Eisenhower ran successfully in 1952.

Thenceforth, GOP candidates have carried the county in most campaigns, with increasingly wide margins in the 21st century.