The Old State Bank, also known as the Second State Bank, Vincennes Branch, is a historic bank building located at Vincennes, Knox County, Indiana. It was built in 1838, and is a 2+1⁄2-story, Greek Revival style brick building. The building measures 36 feet wide and 48 feet deep. The projecting temple form front facade features four two-story, Doric order columns. The building is topped by a dome with cupola and windows that provide light to the main banking room. The building was restored in 1965.[2]: 2