The Jasper County Courthouse in Rensselaer, Indiana is a building from 1898. It was listed on the National Register of Historic Places in 1983 and is located in the Rensselaer Courthouse Square Historic District. The Jasper County Courthouse was erected in 1898 at a total cost of $141,731.94. It is located in the center of the Courthouse Square bounded by Washington, Cull en, Harrison and Van Rensselaer Streets. The Courthouse Square, itself, is defined by a retaining wall of concrete, about 18" high and a foot wide. There are steps leading from the street to the walks leading to all four entrances to the building.