Fulshear is a city in northwestern Fort Bend County, Texas, United States, and is located on the western edge of the Houston–The Woodlands–…Fulshear is a city in northwestern Fort Bend County, Texas, United States, and is located on the western edge of the Houston–The Woodlands–Sugar Land metropolitan area. The population was 16,856 as of the 2020 census, and according to 2023 census estimates, the city is estimated to have a population of 43,317.