That's according to the latest Census figures.
The latest Census figures show that there were over 5.1 million people in the State on Census night, which took place in April last year.
That is an 8% (387,274 people) increase on April 2016 figures.
County Kildare's population increased by 11%, while the county continued to be one of the counties with the youngest age on average, at 36.9.
Nationally, the population includes more females than males.
There are 2.6 million females living in the country compared to 2.5 million males.
Kfm Obituary Notices
Ballitore Preparing For 200th Anniversary Of Death Of Local Poet
Community House In Prosperous Going From "Strength To Strength" Two Years After Opening
More Than One Third Of Kildare Residents Commute Outside Of County For Work, Study Finds
Kildare Town School Awarded For Sustainability Project
Concerns Raised Over Future Of 736 Bus Travelling Through Castledermot
Diversions Expected As Works To Take Place On Road Near Caragh This Friday
