what county is corsica, sd in
Corsica, SD Profile: Facts, Map & Data. Corsica, South Dakota - Basic Facts. The City of Corsica had a population of 626 as of July 1, 2016. Corsica ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below. The primary coordinate point for Corsica is located at latitude 43.4222 and longitude -98.4074 in Douglas County.