Letterkenny Population 2026
The population of Letterkenny, Ireland is 17 676 for 2026. Letterkenny ranks 19 in terms of population in Ireland from 85 cities. Chislennost.com uses information from reliable sources. Find out the population of a country, city, district at Chislennost.com.
Population of Letterkenny
17 676 people
Flag of Ireland
Data for 2026
The site chislennost.com uses information from official sources and is updated every month. Some data may differ due to the lack of the latest census.
Useful links:
FAQ
⚡ When was the population counted?
A population count in Letterkenny was carried out in 2026.
⚡ What place does Letterkenny have in terms of population in Ireland?
Letterkenny is ranked 19 in the city population ranking in Ireland.
⚡ What place does Letterkenny have in terms of population in the world?
Letterkenny is ranked 8729 in the city population ranking in the world.