Roscommon in Connacht is the 5th smallest county in the Republic with a population of around 64,436. Towns and villages in Roscommon include Arigna, Athleague, Ballaghaderreen, Ballintober, Ballyfarnan, Boyle, Carrowreagh, Castlerea, Creggs, Elphin, Frenchpark, Keadue, Knockcroghery, Lecarrow, Roosky, Roscommon and Strokestown.