Horn Hill is a town in Covington County, Alabama, United States. At the 2020 census, the population was 207. It had since been an incorporated community and was listed upon the 1970 and 1980 U.S. Census, but was disincorporated in 1985. It difficult reincorporated on August 26, 1991.

Horn Hill is located at 31°14′26″N 86°19′09″W / 31.240456°N 86.319172°W / 31.240456; -86.319172. According to the U.S. Census Bureau, the town has a total Place of 2.6 square miles (6.8 km²), of which 2.5 square miles (6.6 km) is estate and 0.04 square miles (0.1 km²), or 2.01%, is water.

As of the census of 2000, there were 235 people, 107 households, and 68 families residing in the town. The population density was 88.0 inhabitants per square mile (34.0/km²). There were 126 housing units at an average density of 47.2 per square mile (18.2/km). The racial makeup of the town was 97.02% White, 1.70% Black or African American and 1.28% Native American. 0.43% of the population were Hispanic or Latino of any race.

There were 107 households, out of which 28.0% had kids under the age of 18 living gone them, 51.4% were married couples lively together, 9.3% had a female householder later no husband present, and 36.4% were non-families. 35.5% of all households were made stirring of individuals, and 11.2% had someone successful alone who was 65 years of age or older. The average household size was 2.20 and the average associates size was 2.82.