LaMoure County, ND borders Dickey near LaMoure metropolitan centre giving a 2020 estimated census population standing at 4,243 making it the 8th most populous county situated in North Dakota overall. Its county seat is LaMoure with other towns include Jud & Carlisle-LaMoure itself equates out to LaMoure's largestcity aside from noted country seat. This area had been established from Dickey and Logan Counties back in 1883 when local residents petitioned for new administrative boundaries - posthumously named after Pierre G LaMoure French explorer observing region during period Chester A Arthur .