County Carlow (Irish: Contae Cheatharlach) is a county in Ireland located towards the south east of Ireland, in the province of Leinster. It has an overall population of 50,349, as of April 2006. The town of Carlow, built on the River Barrow, has a population of 20,724 (2006 Census).
1 A CDP with defined boundaries. 2 A CDP with undefined boundaries and a population above 1,000. 3 A CDP with undefined boundaries and a population below 1,000.