League City is a city in Galveston County and Harris County in the U.S. state of Texas, within the Houston–Sugar Land–Baytown metropolitan area. As of the 2000 U.S. Census, the city population was 45,444; in the 2006 census estimate, the population was listed as 67,200. The city has a small portion north of Clear Creek within Harris County, Texas zoned for residential and commercial uses. League City is home to several water-side resorts used by people from nearby Houston. League City surpassed Galveston as Galveston County's largest city between 2000 and 2005.