Cockrell Hill is a city in Dallas County, Texas, United States. The population was 4,193 at the 2010 census. It is completely surrounded by the city of Dallas. Cockrell Hill was established by the pioneer Brentwood Allen Cockrell and his son, Woodrow. They established the town as a way of making a living, and ran it like a business. The Cockrell place was known to travelers on the stage line that ran from Dallas to Fort Belknap and on to El Paso and the west. The settlement developed as an agricultural crossroads and by the late 1800s had a few scattered homes, a small store, and a school. Water became the overriding issue for the town’s continued growth.
Frank Jester, a local developer, laid out the plan for the modern community of Cockrell Hill in 1911. A first attempt at incorporation in 1925 proved unsuccessful, and the following year a vote to disincorporate was approved. The second incorporation passed on July 21, 1937, when the population was 459. The town grew to a population of 1,246 in 1941. Many of the new residents worked in war-related industries located in the surrounding areas. In 1952 the population was 2,194, in 1990 it was 3,916, and in 2000 it was 4,445.In May 2006, Councilman Luis D. Carrera defeated C. P. Slayton and John Mendiola defeated Richard Hall and joined Silvia Ulloa, Richard Perez and Sammy Rodriquez to become the first all-Hispanic City Council in North Texas.
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