Dublin at a glance
The basics about Dublin and Ireland, with official sources for weather and rents.
- Ireland had 5,149,139 residents on census day, 3 April 2022.
Source: Census of Population 2022, Summary Results — CSO ↗ - In Census 2022, 20% of Ireland's usual residents (1,017,437 people) were born outside Ireland, and 12% (631,785) were non-Irish citizens. The largest groups were Polish, UK, Indian and Romanian citizens.
Source: Census 2022 Summary Results: Migration and Diversity — CSO ↗ - Dublin is Ireland's most densely populated area: Dublin City and suburbs had 3,659 people per square kilometre in Census 2022.
Source: Census 2022 Profile 1: Population Distribution — CSO ↗ - Rents are high. The RTB Rent Index (published 3 September 2026) put the average rent for new tenancies in County Dublin at €2,335 a month in Q1 2026, against €1,839 nationally.
Source: The RTB Rent Index, Q1 2026 — RTB and ESRI ↗ - New-tenancy rents nationally rose 9.1% in the year to Q1 2026.
Source: The RTB Rent Index, Q1 2026 — ESRI ↗ - The ESRI reports a large jump in new-tenancy rents in March 2026, when the new rental rules came in, and says it is too early to tell how lasting it is.
Source: RTB Rent Index Q1 2026 briefing presentation — ESRI ↗ - Met Éireann is Ireland's national weather service. Check it for forecasts and weather warnings, including wind and rain warnings.
Source: Weather warnings — Met Éireann ↗