Ector County, Texas Genealogy & History


Ector County is in West Texas on the lower shelf of the Great Plains and on the northern border of the Edwards Plateau, bounded on the north by Andrews County, on the west by Winkler County, on the east by Midland County, and on the south by Crane and Ward counties. The county's midpoint is 30°53' north latitude and 102°33' west longitude, about thirty miles southwest of Midland. It covers 907 square miles of level to rolling land with elevations that vary from 2,500 to 3,300 feet above sea level. 


Ector County was formed in 1891 from Tom Green County, from land that was formerly Bexar District, a part of Bexar County. 

Texas 1856 showing the Bexar District (Bexar County) from the David Rumsey Map Collection.

Texas 1873 Railroad Map

Ector County 1890 Texas Land Office Map from The Portal to Texas History.

Ector County Texas Land Office Map (date unknown) from the Portal to Texas History.

Texas 1900 Railroad Map

Ector County 1901 from Historic Map Works

Ector County Highway Map 1940

Ector County Highway Map 1961

Ector County Map