Leander is a city in Williamson County, Texas, United States. The population was 7,596 at the 2000 census. The city was established in 1882 on the railroad to Austin and was named in honor of Leander 'Catfish' Brown, a railroad official. Leander apartments for rent comparison page shows most up to date rent information on Leander apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.