Red Oak is a city in Ellis County, Texas, United States. It is part of the Dallas–Fort Worth metroplex. The population was 10,769 at the 2010 census, up from 4,301 at the 2000 census. The population was 10,769 at the 2010 census, up from 4,301 at the 2000 census. The North Central Texas Council of Governments projects that number to grow to 63,329 by the year 2030, as it is on the verge of explosive suburban growth.
As of the census of 2000, there were 4,301 people, 1,570 households, and 1,238 families residing in the city. The population density was 550.0 people per square mile (212.4/km2). There were 1,625 housing units at an average density of 207.8 per square mile (80.2/km2). The racial makeup of the city was 85.98% White, 5.42% African American, 0.53% Native American, 0.88% Asian, 4.65% from other races, and 2.53% from two or more races. Hispanic or Latino of any race were 11.69% of the population.