Fountain County lies in the western part of the U.S. state of Indiana on the east side of the Wabash River. The county was officially established in 1826 and was the 53rd in Indiana. The county seat is Covington. According to the 2020 United States Census, its population was 16,479. The county has two incorporated cities and six incorporated towns, as well as many small unincorporated communities. It is divided into eleven townships which provide local services. An interstate highway, two U.S. Routes and five Indiana state roads cross the county, as does a major railroad line.