Coalmont is an unincorporated community and census-designated place in Lewis Township, Clay County, Indiana, United States. It is part of the Terre Haute Metropolitan Statistical Area. As of the 2020 census, Coalmont had a population of 354.
A post office was established at Coalmont in 1901. Deposits of coal in the area caused the name to be selected.
Coalmont is located in southwestern Clay County at . Its western border is the Sullivan County line. Indiana State Road 159 runs northâÂÂsouth through the center of the community, and IN 48 forms the southern edge of the CDP. Shakamak State Park is directly to the south. Jasonville is to the southeast on routes 159 and 48, and Hymera is to the west on IN 48.
Everett Sanders, the future personal secretary to President Coolidge, was born near Coalmont in 1882.