Katy is about 30 minutes west of downtown. Manylive between Katy and Houstonthose areas have "Katy" addresses and are referred to as the "Katy Area", while the city proper is known as "Old Katy". Because of this, the "Greater Katy" area has a population of over 250,000. Several developments are located in this area, including Cinco Ranch, Kelliwood, and various other communities. Much of the Katy area borders the western portion of George Bush Park, and it is home to Katy Mills Mall. The Katy area also stretches into northern Fort Bend County as well as southeast Waller County.