The City of Wylie was incorporated in 1887 along the rights-of-way of the Gulf, Colorado and Santa Fe Railway. It was named for Colonel W.D. Wylie, a Santa Fe Railroad official and Civil War veteran. Wylie is a city in Collin, Dallas, and Rockwall Counties in the U.S. state of Texas, and a suburb of Dallas. At the 2000 Census, the population was 15,132; 2004 estimates pegged it at 25,850. Once solely located in Collin County, Wylie now extends into neighboring Dallas and Rockwall counties. Both Lake Lavon and Lake Ray Hubbard are within easy reach of the city. Since the 2000 census the population has grown 109.3%, making Wylie number 8 on the list of fastest growing cities in the nation. Current population is now listed at 32,696.