Fort Crailo is located in a city with a population of what? 
Fort Crailo: Crailo State Historic Site is a historic, fortified brick manor house in Rensselaer, New York which was originally part of a large patroonship held by Kiliaen van Rensselaer, c. 1585–1643. Rensselaer, New York:  As of the 2010 census, the city population was 9,392.
9,392