About South Dublin
South Dublin is a city located in Ireland, in the Leinster region. According to the latest available data (2026), the population of South Dublin is approximately 278,749 residents, making it the #5 most populous city in Ireland.
Globally, South Dublin ranks #6,625 among the world's most populated cities.
South Dublin City Statistics
| City | South Dublin |
| Country |  Ireland |
| Population | 278,749 |
| Global Rank | #6,625 |
| Rank in Ireland | #5 of 18 cities |
| City Category | city |
| Region | Leinster |
| Latitude | 53.286 |
| Longitude | -6.3774 |
| Data Year | 2026 |
Where is South Dublin Located?
South Dublin is located in Ireland, in the Leinster region, at coordinates 53.286° latitude and -6.3774° longitude. Located in the mid-latitudes, South Dublin experiences distinct four-season weather patterns.
Nearby Cities
Other Cities in Ireland
Largest Cities in Ireland
| # | City | Population |
|---|---|---|
| 1 | Dublin | 592,713 |
| 12 | County Cork | 542,196 |
| 13 | Dublin City | 506,211 |
| 2 | Fingal | 296,214 |
| 3 | County Galway | 277,737 |
Frequently Asked Questions
What is the population of South Dublin?
The population of South Dublin is approximately 278,749 residents according to the latest available data (2026).
Where is South Dublin located?
South Dublin is located in Ireland at approximately 53.286° latitude and -6.3774° longitude.
Is South Dublin one of the largest cities in Ireland?
With a population of 278,749, South Dublin is one of the notable urban areas in Ireland. It ranks #5 out of 18 cities in the country.
