what county is leonard nd in
Sponsored Topics. Leonard is a city in Cass County, North Dakota in the United States. The population was 223 at the 2010 census. Leonard was founded in 1882. Leonard is located at 46Â°39â²4â³N 97Â°14â²44â³W / 46.65111Â°N 97.24556Â°W / 46.65111; -97.24556 (46.651034, -97.245694).