Windsor, IndianaWindsor is an unincorporated community and census-designated place in Randolph and Delaware counties, in the U.S. state of Indiana.HistoryWindsor was laid out on January 30, 1832. The community most likely was named after Windsor Castle. A post office was established at Windsor in 1831, and remained in operation until it was discontinued in 1898.DemographicsThe United States Census Bureau defined Windsor as a census designated place in the 2022 American Community Survey.