Horatio is a city in Sevier County, Arkansas, United States.

For several years until at least 1905, Horatio was a sundown town, where African Americans were not allowed to live.

[3] According to the United States Census Bureau, the city has a total area of 1.8 square miles (4.7 km2), all land.

As of the 2020 United States census, there were 920 people, 375 households, and 252 families residing in the city.

26.3% of all households were made up of individuals, and 15.4% had someone living alone who was 65 years of age or older.