Castlebar Population 2026
The population of Castlebar, Ireland is 11 922 for 2026. Castlebar ranks 29 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 Castlebar
11 922 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.
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FAQ
⚡ When was the population counted?
A population count in Castlebar was carried out in 2026.
⚡ What place does Castlebar have in terms of population in Ireland?
Castlebar is ranked 29 in the city population ranking in Ireland.
⚡ What place does Castlebar have in terms of population in the world?
Castlebar is ranked 9989 in the city population ranking in the world.