Population of Sligo, Ireland as of March 2026. How many people live in Sligo today?

Ireland / Sligo

The exact population of Sligo as of March 2026 is estimated at 19,402 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Sligo.

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Check out more data on population in Ireland:

Midleton
Wicklow
Mallow
Ballina
Cobh
Arklow
Castlebar

This population of Sligo is provided by the local bureau of statistics.
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