BLUFFTON, a city of Indiana, U.S.A., on the Wabash river and the Nickel Plate railway, 85m. N.E. o'f Indianapolis; the county seat of Wells county. It has sawmills and planing-mills; manufactures pianos, beds, ironing-boards, windmills, iron pumps, and wooden novelties; and has limestone quarries in its vicinity. The population in 1930 was