Big Flat is a town in Baxter and Searcy counties in the U.S. state of Arkansas.

The Baxter County portion of Big Flat is served by the Mountain View School District.

Marshall consolidated into the Searcy County district on July 1, 2004.

44.9% of all households were made up of individuals, and 28.6% had someone living alone who was 65 years of age or older.

There were no families and 11.3% of the population living below the poverty line, including no under eighteens and 34.8% of those over 64.