Grand Prairie is a city in Dallas County, with a significant overlap into Tarrant County, and a minor overlap into Ellis County. As of the 2000 census, the city had a total population of 127,427 and is listed as one of the fastest growing cities in the United States. Grand Prairie apartments for rent comparison page shows most up to date rent information on Grand Prairie apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.