How Big Is Dublin?

Ireland

Area

115 km²

44 mi²

Population

0.6M

Density

5,130/km²

Founded

841

Those figures stop at the official city limits. Measured by continuous built-up land, Dublin's urban area covers 301 km² and has 1.12 million people (2025), the 474th largest in the world. Source: GHSL Urban Centre Database R2024A, European Commission JRC (CC BY 4.0).

Dublin Size Overview

Dublin covers an area of 115 km² (44 mi²) in Ireland. Capital and largest city of Ireland. The city is often called "The Fair City". To put this in perspective, Dublin is roughly the same size as San Francisco. In more relatable units, that's about 16,000 American football fields, 57 times the area of Monaco, or 34 times the area of Central Park.

Dublin is the capital and largest city of Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the province of Leinster, and is bordered on the south by the Dublin Mountains, part of the Wicklow Mountains range. Dublin is the largest city by population on the island of Ireland; at the 2022 census, the city council area had a population of 592,713, while the city, including suburbs, had a population of 1,263,219, and County Dublin had a population of 1,501,500.

With a population of 0.6 million, Dublin has a population density of 5,130 people per km².

Dublin has a history stretching back to 841. The city is renowned for Trinity College, Guinness Storehouse, Temple Bar, and Dublin Castle.

Did You Know?

  • Dublin sits on Dublin Bay at the mouth of the River Liffey, bordered to the south by the Dublin Mountains.
  • Dublin is Ireland's largest city, with 592,713 in the council area and 1.26 million including suburbs.

Cities Similar in Size to Dublin

Dublin covers 115 km². Cities with a similar urban footprint include Vancouver (115 km²), San Francisco (121 km²), Paris (105 km²), Barcelona (101 km²), or Doha (132 km²).

Frequently Asked Questions about Dublin

How big is Dublin in square miles?
Dublin covers 115 km², which is approximately 44 square miles.
What is the population of Dublin?
Dublin has a population of approximately 0.6 million people.
What is the population density of Dublin?
Dublin has a population density of 5,130 people per km² (13,287 per mi²).
Can I compare Dublin with other cities on a map?
Yes! City Map Compare lets you compare Dublin with any of 96 other cities side by side on synchronized maps. Both maps maintain the same zoom level so you can see the real difference in size.