Dunleer is a town and townland in County Louth, Ireland. Dunleer is situated midway between Dundalk and Drogheda and is located on t…Dunleer is a town and townland in County Louth, Ireland. Dunleer is situated midway between Dundalk and Drogheda and is located on the junction of the R132, R169 and R170 regional roads that intersect the town. As of the 2022 census, the town had a population of 2,143.