From the 1980 Census to the 1990 Census, Hispanics began to move into South Houston by an amount between 1,000 and 3,500 per square mile. Most Hispanics in South Houston were of Mexican descent. Elephants belonging to former South Houston mayor George Christy, a circus owner, assisted the construction of the Spencer Highway. South Houston's initial industrial activity consisted of shipping produce along the Galveston, Houston and Henderson Railroad. The hurricane of 1915 destroyed many of the local industries. The establishment of the Houston Ship Channel resulted in the establishment of manufacturing industries inland, including in South Houston. South Houston is a city in Harris County, Texas within the HoustonSugar LandBaytown metropolitan area. The population was 15,833 at the 2000 census. It is bordered by the city of Houston and the city of Pasadena.