What is is the population of the county that contains the Edwin H. Armstrong House?
Edwin H. Armstrong House The Edwin H. Armstrong House, in Yonkers in Westchester County, New York, is unusual for having achieved listing on the National Register of Historic Places and even designation as a National Historic Landmark, only to be demolished. Its subsequent removal from National Historic Landmark status is the only such occurrence for a New York State site.
Natrona County, Wyoming Natrona County is a county in the U.S. state of Wyoming. As of the 2010 census, the population was 75,450, making it the second-most populous county in Wyoming. Its county seat is Casper.