Daleville is a city in Dale County, Alabama, United States. As of the 2020 census, Daleville had a population of 4,866. It is part of the Ozark Micropolitan Statistical Area. The city's nickname is "Gateway to Fort Rucker", as this U.S. Army post is located just north of town. Cairns Army Airfield is located to the south of Daleville on the road to nearby Clayhatchee.