Newcastle, or An Caisleán Nua, is a charming village in south-west South Dublin with a deeply historic feel, nestled at the junction of the R120 and R405 roads near the Grand Canal and close to Casement Aerodrome. It's known for its rural character amid growing suburbs, with ancient sites like St Finian's monastery remnants, Norman castles, and scenic walking trails that whisper of its past as a strategic medieval hub. Families, commuters, and retirees call it home, drawn to its peaceful vibe just a short hop from Dublin city.
Overview
CSO Census 2022 · Small Area Population Statistics
Population
7,904
Census 2022
Owner occupied
64.2%
National: 65.9%
Crime rate per 1,000
120.3
National avg: 54.1
With a population of 7,904, Newcastle is a growing yet manageable village where home ownership at 64.2% is close to the national average, suggesting a stable community of families putting down roots. The notably higher crime rate of 120.3 per 1,000 compared to the national 54.1 might reflect rural reporting differences, but it's still a welcoming spot overall.
Age Profile
CSO Census 2022 · Table 1 population by age
Age distribution
Newcastle vs national average (%)
Newcastle
National
A higher-than-average 22.4% under 14 and 14.3% over 65 paint a picture of a family-friendly community buzzing with kids and supported by active retirees.
Under 14
22.4%
National: 19.7%
65 and over
14.3%
National: 15.1%
Male / Female
47.9% / 52.1%
National: 49.4% / 50.6%
Economic Status
CSO Census 2022 · Table 8 principal economic status (aged 15+)
Economic status
Newcastle vs National (%)
Newcastle
National
vs national average
At work
Retired
Student
Looking after home/family
Over half the population is at work matching national levels, with slightly lower work-from-home at 9.6%, indicating a practical, engaged workforce heading out daily.
Third Level Education
CSO Census 2022 · Table 10 highest level of education completed
vs national average
Third level education
Third-level education at 38.7% aligns closely with the national 39.2%, pointing to a well-educated residents who value learning and likely bring professional skills to the area.
Crime & Safety
CSO Recorded Crime Statistics · Garda subdistrict level · 2024
Crime rate per 1,000
120.3
National avg: 54.1
vs national average
122% above national average
2024 recorded crime
3-year avg rate
101.8
Per 1,000 · 2022–2024
Higher than average crime: The Rathcoole Garda subdistrict records a crime rate of 120.3 per 1,000 — 123% above the national average of 54.06. This is typical of busy urban or commercial areas where higher footfall drives more recorded incidents.
Crime rate is based on recorded incidents in the Rathcoole Garda subdistrict (population 16,740), which covers Newcastle and surrounding areas. Data: CSO Recorded Crime Statistics.
Commuting
CSO Census 2022 · Table 11 departure times & travel mode
Departure time for work / school
Newcastle vs National (%)
Newcastle
National
How people travel to work
Newcastle vs National (%)
Newcastle
National
vs national average
Work from home
Public transport
Car / van
Most folks drive to work at 62.9%, with low public transport use at 7.7% and 11.3% without a car, making this a car-dependent village though buses like the 68 and W6 connect to Dublin centre, Hazelhatch trains, and nearby Tallaght.
Nationality & Ethnicity
CSO Census 2022 · Table 2 nationality and ethnicity
Citizenship / nationality
Newcastle vs National (%)
Newcastle
National
Ethnicity
Newcastle vs National (%)
Newcastle
National
vs national average
Irish citizen
White Irish ethnicity
Religion
CSO Census 2022 · Table 4 religion
Religion
Newcastle vs National (%)
Newcastle
National
vs national average
Catholic
No religion
Irish Language
CSO Census 2022 · Table 3 Irish speakers aged 3 and over
Can speak Irish
34.9%
National: 39.83%
Speak Irish daily outside school
1.1%
National: 4.11%
vs national average
Can speak Irish
Daily outside school
'An Caisleán Nua' directly translates to 'The New Castle' in Irish, named after the Norman invaders' 12th-century fortress built on this strategic spot near Lyons Hill, a ancient royal inauguration site. It reflects Newcastle's layered history from prehistoric graves and St Finian's 6th-century monastery to its medieval manor, embedding a sense of enduring heritage in the rural landscape.
Housing & Tenure
CSO Census 2022 · Table 6 type of occupancy and accommodation
Owner occupied
64.2%
National: 65.9%
Private renting
15.2%
National: 18.0%
Social housing
14.4%
National: 10.0%
Ownership breakdown
Owned with mortgage
Owned outright
Dwelling type
House/Bungalow
Flat/Apartment
Cars per household
No car
Two or more cars
Owner-occupiers dominate at 64.2% over renters at 15.2%, with mostly houses and just 11.6% flats, fostering a settled, suburban feel with family homes in developments like Graydon.
Health
CSO Census 2022 · Table 12 self-reported general health
Good or very good health
81.6%
National: 82.9%
Fair health
8.7%
National: 8.6%
Bad or very bad health
1.6%
National: 1.7%
Smokers
13.6%
National: 17.03%
Self-reported health
Newcastle vs National (%)
Newcastle
National
Good or very good health at 81.6% is solid and near national norms, suggesting a healthy, active lifestyle boosted by rural walks, fresh air, and community spirit.