Colleyville is an affluent city in northeast Tarrant County, Texas. Located roughly 12 miles from Dallas/Fort Worth International Airport, the population was 22,807 at the 2010 census. Emerging from a number of small, rural settlements along the Cotton Belt Route, Colleyville was established in the early 20th century for Dr. Lilburn H. Colley, a prominent area physician and a veteran of the Union Army.
According to a 2007 estimate, the median income for a household was $148,789, and the median income for a family was $154,948. Males had a median income of $90,834 versus $42,455 for females. The per capita income for the city was $50,418. About 1.2% of families and 1.4% of the population were below the poverty line, including 1.5% of those under age 18 and 1.7% of those age 65 or over.