Houston is the most populous city in the U.S. state of Texas, fourth most populous city in the United States, most populous city in the Southern United States, as well as the sixth most populous in North America, with an estimated 2018 population of 2,325,502. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the seat of Harris County and the principal city of the Greater Houston metropolitan area, which is the fifth most populous metropolitan statistical area in the United States and the second most populous in Texas after the Dallas-Fort Worth metroplex, with a population of 6,997,384 in 2018.
Katy is a city in the U.S. state of Texas, within the Houston–The Woodlands–Sugar Land metropolitan area. The city is approximately centered at the tripoint of Harris, Fort Bend, and Waller counties. Katy had a population of 14,102 at the 2010 census, up from 11,775 in 2000. Its population was estimated at 19,216 in 2018
Sugar Land is a city in Fort Bend County, Texas, United States, located in the southwestern part of the Houston–The Woodlands–Sugar Land metropolitan area. Located about 19 miles (31 km) southwest of downtown Houston, Sugar Land is a populous suburban municipality centered around the junction of Texas State Highway 6 and U.S. Route 59.