Greencastle Map
The City of Greencastle is located in Sullivan County in the State of Missouri. Find directions to Greencastle, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2019 US Census the Greencastle population is estimated at 243 people. The Greencastle time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby cities include Owasco, Midland, Boynton, Penn, Green City.