|Ector County, Texas|
Ector County Courthouse in Odessa
Location within the U.S. state of Texas
Texas's location within the U.S.
|Named for||Mathew Ector|
|• Total||902 sq mi (2,336 km2)|
|• Land||898 sq mi (2,326 km2)|
|• Water||4.1 sq mi (11 km2), 0.5%|
|• ( 2015)||159,436|
|• Density||153/sq mi (59/km2)|
|Time zone||Central: UTC−6/ −5|
Ector County is a county located in the U.S. state of Texas. As of 2015, its population was 159,436.  Its county seat is Odessa.  The county was founded in 1887 and organized in 1891.  It is named for Mathew Ector,  a Confederate general in the American Civil War.
According to the U.S. Census Bureau, the county has a total area of 902 square miles (2,340 km2), of which 898 square miles (2,330 km2) are land and 4.1 square miles (11 km2) (0.5%) are covered by water.  Ector County has an average rainfall of about 14 in per year and a warm, sunny, semiarid climate. Most of the county is relatively flat, with small areas of slightly rolling terrain. The area is known for its stark landscape. The few naturally occurring trees are mostly mesquite trees, which more resemble large bushes.
- Andrews County (north)
- Midland County (east)
- Upton County (southeast)
- Crane County (south)
- Ward County (southwest)
- Winkler County (west)
|U.S. Decennial Census
1850–2010  2010–2014 
As of the census  of 2000, 121,123 people, 43,846 households, and 31,700 families resided in the county. The population density was 134 people per square mile (52/km²). The 49,500 housing units averaged 55 per square mile (21/km²). The racial makeup of the county was 73.69% White, 4.61% African American, 0.83% Native American, 0.64% Asian, 0.04% Pacific Islander, 17.38% from other races, and 2.81% from two or more races. About 42.36% of the population was Hispanic or Latino of any race.
Of the 43,846 households, 38.90% had children under the age of 18 living with them, 54.10% were married couples living together, 13.70% had a female householder with no husband present, and 27.70% were not families. About 24.00% of all households was made up of individuals and 8.90% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.25.
In the county, the population was distributed as 30.40% under the age of 18, 10.50% from 18 to 24, 27.90% from 25 to 44, 20.20% from 45 to 64, and 10.90% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 94.70 males. For every 100 females age 18 and over, there were 90.90 males.
The median income for a household in the county was $31,152, and for a family was $36,369. Males had a median income of $30,632 versus $21,317 for females. The per capita income for the county was $15,031. About 16.10% of families and 18.70% of the population were below the poverty line, including 23.90% of those under age 18 and 14.30% of those age 65 or over.
- North Cowden
- Prairie Home
- Scharbauer City
- Smith Chapel
- Turnbaugh Corner
- Tryon D. Lewis
- Brooks Landgraf
- List of museums in West Texas
- National Register of Historic Places listings in Ector County, Texas
- Recorded Texas Historic Landmarks in Ector County
- Odessa College
- Presidential Museum and Leadership Library
- Stonehenge replica (Odessa, Texas)
- University of Texas of the Permian Basin
- Gary Watkins
- George E. "Buddy" West
- White-Pool House
- Odessa Meteor Crater
- "Ector County Profile". Retrieved January 21, 2017.
- "Find a County". National Association of Counties. Archived from the original on 2012-07-12. Retrieved 2011-06-07.
- "Texas: Individual County Chronologies". Texas Atlas of Historical County Boundaries. The Newberry Library. 2008. Retrieved May 23, 2015.
- Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 114.
- "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved April 26, 2015.
- "Population and Housing Unit Estimates". Retrieved June 9, 2017.
- "U.S. Decennial Census". United States Census Bureau. Archived from the original on May 12, 2015. Retrieved April 26, 2015.
- "Texas Almanac: Population History of Counties from 1850–2010" (PDF). Texas Almanac. Retrieved April 26, 2015.
- "American FactFinder". United States Census Bureau. Archived from the original on 2013-09-11. Retrieved 2011-05-14.
- Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved 2018-07-22.
- Ector County government’s website
- Ector County in Handbook of Texas Online at the University of Texas
- Inventory of county records, Ector County courthouse[ permanent dead link], hosted by the Portal to Texas History
- Ector County Profile from the Texas Association of Counties