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Dublin
County Dublin · Leinster

About Newcastle

Newcastle, An Caisleán Nua in Irish, is a village in County Dublin, 17 km west of Dublin. It stands on the R120 and R405. The map gives it 3,742 buildings and 85 named streets, with 209 places named on them in 63 kinds, and 291 things to see in and around it. By the number of buildings on the map it is the 32th largest of the 50 settlements this site covers in County Dublin.

Population
4,526, as the map records it
Where
17 km west of Dublin
Position
53.3000° N, 6.5014° W
Roads
R120 and R405
Governed
Dublin County Council, in the province of Leinster
On the model
3,742 buildings, 85 streets, 209 named places in 63 kinds
Castles of Leinster: Newcastle, Co. Dublin
Castles of Leinster: Newcastle, Co. Dublin·Mike Searle, CC BY-SA 2.0 via Wikimedia Commons
St Finian's Church of Ireland, Newcastle, County Dublin
St Finian's Church of Ireland, Newcastle, County Dublin·Original uploader was Sarah777 at en.wikipedia, public domain via Wikimedia Commons

County Dublin since 1841

Every census of the county, which is the only way to see what happened to rural Ireland: the fall from the Famine runs for a century, and the recovery is recent.

1,458,154372,77318412022

Source: Central Statistics Office, table F1001 'Population at Each Census', read through the PxStat API, read 2026-09-20.

What to see

Closest to the centre first, with how far each one is.

All 291 things to see

Getting around

By road

The map records the R120 and R405 running through Newcastle.

By bus or train

3 lines call at 23 stops here. Plan a journey for the day and time you are going.

Schools and services

1 school or college on the map: Saint Finian's National School.

Questions people ask

Where is Newcastle?
In County Dublin, in the province of Leinster, 17 km west of Dublin and 17 km from Dublin, on the R120 and R405.
How big is Newcastle?
No census figure is on record for it here. On the map it is 3,742 buildings, 85 named streets and 209 named places, which by building count makes it the 32th largest of the 50 settlements this site covers in County Dublin.
What is there to see in Newcastle?
291 things the map records in and around it, the closest being Newcastle Glebe, Cocoon and Taobh Chnoic Park.
How do you get to Newcastle?
3 bus and train lines call at 23 stops here in the published timetable, run by Bus Átha Cliath – Dublin Bus, Go-Ahead Ireland and Nitelink, Dublin Bus.
Has County Dublin grown or shrunk?
The census counted 372,773 people in the county in 1841 and 1,458,154 in 2022.
3,742
buildings on the model
85
named streets
209
named places
63
kinds of place

Buildings, streets, places, roads and position are OpenStreetMap, counted by this site rather than quoted from anywhere. Population, elevation, area and twinning are structured claims on Wikidata (item Q377590). County population is the Central Statistics Office. Journeys are the National Transport Authority’s published timetable. Every sentence on this page is written from those numbers; none of it is copied from a description of the place.

Back to Newcastle·Getting to Newcastle·County Dublin