Martin County, NC joins Washington near Williamston metropolitan centre giving an estimated 2019 census population standing at 24,006 making it the 105th most populous county situated hereabouts. Its county seat is Williamston although other cities include Oak City & Robersonville- Williamston itself equates out to Martin’s biggestcity aside from recognized country seat. This area had been established from Tyrrell and Halifax Counties back in 1774 when local residents petitioned for new administrative boundaries - posthumously named after Alexander Martin American politician who served as Governor Of North Carolina during period George Washington .