Ralls is a city in Crosby County, Texas, United States. It was named after John Robinson Ralls, who, with the help of W.E. McLaughlin, laid out the townsite in July 1911. As of the 2020 census, it had a population of 1,665, down from 1,944 at the 2010 census. Ralls is surrounded by productive farmlands that primarily produce cotton and grains, with lesser amounts of soybean, sunflower seed, and vegetables.