Grand Prairie is located in Dallas, Ellis, and Tarrant counties in the state of Texas and is a part of the Mid-Cities region in the Dallas–Fort Worth metroplex. Grand Prairie is a suburb of both Dallas and Fort Worth with a population of 175,396 according to the 2010 census making it the fifteenth most populous city in the state of Texas.
The median income for a household in the city was $46,816, and the median income for a family was $51,449. Males had a median income of $35,300 versus $28,184 for females. The per capita income for the city was $18,978. About 8.7% of families and 11.1% of the population were below the poverty line, including 15.2% of those under age 18 and 10.4% of those age 65 or over.