What is is the population of the county that contains the Edwin H. Armstrong House?
Westchester County, New York Westchester County is a county in the U.S. state of New York. It is the second-most populous county on the mainland of New York, after the Bronx. According to the 2010 Census, the county had a population of 949,113, estimated to have increased by 2.7% to 974,542 by 2016. Situated in the Hudson Valley, Westchester covers an area of 450 sqmi , consisting of 6 cities, 19 towns, and 23 villages. Established in 1683, Westchester was named after the city of Chester, England. The county seat is the city of White Plains, while the most populous municipality in the county is the city of Yonkers, with an estimated 200,807 residents in 2016.
Jackson County, Mississippi Jackson County is a county located in the U.S. state of Mississippi. As of the 2010 census, the population was 139,668, making it the fifth-most populous county in Mississippi. Its county seat is Pascagoula. The county was named for Andrew Jackson, general in the United States Army and afterward President of the United States.