Dayton is a city in Liberty County, Texas, United States. The population was 5,709 at the 2000 census.
According to the United States Census Bureau, the city has a total area of 11.0 square miles (28.6 km²), all of it land.
As of the census of 2000, there were 5,709 people, 2,129 households, and 1,517 families residing in the city. The population density was 517.1 people per square mile (199.7/km²). There were 2,371 housing units at an average density of 214.8 per square mile (82.9/km²). The racial makeup of the city was 71.08% White, 19.69% African American, 0.44% Native American, 0.68% Asian, 0.04% Pacific Islander, 6.67% from other races, and 1.40% from two or more races. Hispanic or Latino of any race were 10.53% of the population.