In 2016, Louth reached an all-time high population of 128,884 people, becoming one of only five counties in the State to surpass its pre-famine (1841 Census) peak. As of the 2016 census, 7.4 per cent of the county's population was reported as younger than 5 years old, 27.8 per cent were between 5 and 25, 52.4 per cent were between 25 and 65, and 12.4 per cent of the population was older than 65. Of this latter group, 3,560 people (2.8 per cent) were over the age of 80. The population was evenly split between females (50.63 per cent) and males (49.37 per cent).
