County Roscommon is a county in Ireland. It is located in the province of Connacht, and also the West Region. It is named after the town of Roscommon. Roscommon comes from the Irish Ros meaning a wooded, gentle height and Comán, the name of the founder, first abbot and bishop of Roscommon. Roscommon County Council is the local authority for the county. The population of the county is 64,065 according to the 2011 census.