   200px|right|thumb|ector county courthouse administration annex building ector county is a county located in the u.s. state of texas. as of the 2010 census, its population was 137,130. its county seat is odessa. the county was founded in 1893 and is named for mathew ector, a confederate general in the american civil war. ector county comprises the odessa, tx metropolitan statistical area, which is included in the midland&ndash;odessa combined statistical area. ==geography== according to the u.s. census bureau, the county has a total area of , of which  is land and  (0.07%) is water. ector county has an average rainfall of about 14 inches per year and a warm, sunny, semiarid climate. most of the county is relatively flat with small areas slightly rolling. the area is known for its stark flat landscape. there are few naturally occurring trees with most of them being mesquite trees which more resemble large bushes. ===major highways=== *  *  *  *  *  *  *  *  *  *  *  *  *  *  * {{jct|state=tx
1893_establishments_in_Texas Ector_County,_Texas Populated_places_established_in_1893 Texas_counties