Clifford is a town in Flat Rock Township, Bartholomew County, Indiana, United States. The population was 233 at the 2010 census. It is part of the Columbus, Indiana metropolitan statistical area.
Clifford was founded in 1853. The first post office at Clifford was also established in 1853.
Clifford is located at 39°16′54″N 85°52′12″W (39.281574, -85.869863).
According to the 2010 census, Clifford has a total area of 0.11 square miles (0.28 km2), all land.
As of the census of 2010, there were 233 people, 94 households, and 62 families living in the town. The population density was 2,118.2 inhabitants per square mile (817.8/km2). There were 114 housing units at an average density of 1,036.4 per square mile (400.2/km2). The racial makeup of the town was 99.1% White, 0.4% Native American, and 0.4% from other races. Hispanic or Latino of any race were 1.7% of the population.
There were 94 households, of which 41.5% had children under the age of 18 living with them, 44.7% were married couples living together, 14.9% had a female householder with no husband present, 6.4% had a male householder with no wife present, and 34.0% were non-families.