Clontarf (NSW)

Clontarf is positioned among the lower quartile of areas assessed nationally for population growth based on AreaSearch's assessment of recent, and medium term trends

Based on analysis of ABS population updates for the broader area, as of November 2025, Clontarf's estimated population is around 1,768. This reflects an increase of 22 people since the 2021 Census, which reported a population of 1,746. The change was inferred from AreaSearch's estimation of the resident population at 1,733 following examination of the latest ERP data release by the ABS in June 2024, and an additional 1 validated new address since the Census date. This level of population equates to a density ratio of 2,055 persons per square kilometer, above the average seen across national locations assessed by AreaSearch. Over the past decade, Clontarf has demonstrated resilient growth patterns with a compound annual growth rate of 0.5%, outpacing the SA3 area. Population growth for the area was primarily driven by overseas migration contributing approximately 78.0% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with a base year of 2022. For areas not covered by this data, AreaSearch utilises NSW State Government's SA2 level projections released in 2022 with a base year of 2021. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. Moving forward with demographic trends, lower quartile growth of statistical areas across the nation is anticipated. The Clontarf (NSW) SA2 is expected to grow by 35 persons to 2041 based on aggregated SA2-level projections, reflecting an increase of approximately 3.7% in total over the 17 years.

Residential development activity is lower than average in Clontarf according to AreaSearch's national comparison of local real estate markets

AreaSearch analysis of ABS building approval numbers shows Clontarf had approximately one dwelling receiving development approval per year. Around nine homes were approved between financial years FY-21 to FY-25, with none yet in FY-26. This results in an average of 3.2 people moving to the area per dwelling built over these five years.

Demand significantly outpaces supply, typically putting upward pressure on prices and increasing competition among buyers. Commercial development approvals totalled $103,000 this financial year, indicating a predominantly residential focus. Compared to Greater Sydney, Clontarf records lower building activity, 56.0% below the regional average per person. This constrained new construction usually reinforces demand and pricing for existing properties, though recent construction activity has intensified. Nationally, it is also below average, reflecting the area's maturity and possible planning constraints.

All new construction has been detached houses, maintaining Clontarf's traditional suburban character with a focus on family homes. The location has approximately 398 people per dwelling approval, indicating an established area. By 2041, Clontarf is expected to grow by 66 residents (latest AreaSearch quarterly estimate). If current development rates continue, housing supply may not keep pace with population growth, potentially increasing competition among buyers and supporting stronger price growth.

Clontarf has strong levels of nearby infrastructure activity, ranking in the top 30% nationally

Changes to local infrastructure significantly impact an area's performance. One major project identified by AreaSearch is expected to affect the region: Totem Road Precinct - Balgowlah Heights. Other notable projects include Balgowlah RSL Club Renovations (Stage 1 of Master Plan), Beaches Link Tunnel, and Military Road Mega Lot Apartment Development. The following list details those projects likely to have the most relevance.

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Clontarf has seen below average employment performance when compared to national benchmarks

Clontarf has a highly educated workforce with strong representation in professional services. Its unemployment rate is 4.2%, as per AreaSearch's statistical area data aggregation.

As of September 2025914 residents are employed, aligning with Greater Sydney's 4.2% unemployment rate and a workforce participation rate of 62.1%. The dominant employment sectors among Clontarf residents include professional & technical, finance & insurance, and health care & social assistance. Notably, the area specializes in professional & technical services, with an employment share twice that of the regional level. Conversely, public administration & safety is under-represented at 1.4%, compared to Greater Sydney's 5.7%.

Limited local employment opportunities are indicated by the census working population count versus resident population. Between September 2024 and September 2025, Clontarf's labour force decreased by 0.2% while employment dropped by 2.1%, leading to a 1.9 percentage point rise in unemployment rate. Meanwhile, Greater Sydney saw employment growth of 2.1% and labour force growth of 2.4%, with a slight increase in unemployment rate. State-level data from NSW as of 25-Nov-25 shows employment contracted by 0.03%, losing 2,260 jobs, with an unemployment rate of 3.9%. Nationally, the unemployment rate is 4.3%. Jobs and Skills Australia's national employment forecasts from May-25 suggest total employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Clontarf's employment mix indicates potential local employment increases of 7.6% over five years and 14.9% over ten years, though these are simple extrapolations for illustrative purposes only.

The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis

AreaSearch's latest postcode level ATO data for financial year ending June 2023 indicates that Clontarf suburb has top percentile national incomes. The median assessed income is $78,471 and the average income stands at $162,223. This contrasts with Greater Sydney's figures of a median income of $60,817 and an average income of $83,003. Based on Wage Price Index growth of 8.86% since financial year ending June 2023, current estimates would be approximately $85,424 (median) and $176,596 (average) as of September 2025. From the 2021 Census data, household, family, and personal incomes in Clontarf rank highly nationally, between the 96th and 99th percentiles. The predominant income cohort spans 53.5% of locals (945 people) earning $4000+ per week, differing from metropolitan patterns where $1,500 - 2,999 dominates with 30.9%. Economic strength is evident through 65.2% of households achieving high weekly earnings exceeding $3,000, supporting elevated consumer spending. After housing costs, residents retain 88.0% of income, reflecting strong purchasing power. The area's SEIFA income ranking places it in the 10th decile nationally.

Clontarf is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Clontarf's dwelling structure, as per the latest Census, consisted of 94.9% houses and 5.0% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Sydney metro had 36.7% houses and 63.3% other dwellings. Home ownership in Clontarf was 55.1%, with the rest being mortgaged (36.3%) or rented (8.6%). The median monthly mortgage repayment was $5,317, higher than Sydney metro's average of $3,800. Median weekly rent in Clontarf was $1,250, compared to Sydney metro's $720. Nationally, Clontarf's mortgage repayments were significantly higher at $1,863 and rents substantially above the national figure of $375.

Clontarf features high concentrations of family households, with a higher-than-average median household size

Family households account for 84.7% of all households, consisting of 47.7% couples with children, 30.5% couples without children, and 6.2% single parent families. Non-family households make up the remaining 15.3%, with lone person households at 13.3% and group households comprising 2.4%. The median household size is 3.0 people, larger than the Greater Sydney average of 2.5.

Educational achievement in Clontarf places it within the top 10% nationally, reflecting strong academic performance and high qualification levels across the community

Educational attainment in Clontarf is notably higher than broader benchmarks. Among residents aged 15 years and over, 55.7% hold university qualifications compared to 30.4% nationally and 32.2% in NSW. Bachelor degrees are the most common at 37.5%, followed by postgraduate qualifications (15.1%) and graduate diplomas (3.1%). Vocational pathways account for 17.1%, with advanced diplomas at 9.4% and certificates at 7.7%.

Educational participation is high, with 32.6% of residents currently enrolled in formal education. This includes 11.2% in secondary education, 9.6% in primary education, and 7.7% pursuing tertiary education.

Transport servicing is high compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Public transport analysis shows 8 active transport stops operating within Clontarf. These are a mix of bus stops serviced by 18 individual routes collectively providing 3,338 weekly passenger trips. Transport accessibility is rated excellent with residents typically located 183 meters from the nearest stop.

Service frequency averages 476 trips per day across all routes equating to approximately 417 weekly trips per individual stop.

Clontarf's residents boast exceedingly positive health performance metrics with very low prevalence of common health conditions across all age groups

Health outcomes data shows exceptional results across Clontarf, with very low prevalence of common health conditions across all age groups. The rate of private health cover is exceptionally high at approximately 91% of the total population (1,603 people), compared to 83.6% across Greater Sydney and a national average of 55.7%. The most common medical conditions in the area are arthritis and asthma, impacting 6.9% and 6.2% of residents respectively.

Seventy-six point six percent of residents declared themselves completely clear of medical ailments, compared to 77.4% across Greater Sydney. Eighteen point five percent of residents are aged 65 and over (327 people), which is higher than the 16.5% in Greater Sydney. Health outcomes among seniors are particularly strong, broadly in line with the general population's health profile.

The level of cultural diversity witnessed in Clontarf was found to be above average when compared nationally for a number of language and cultural background related metrics

Clontarf, surveyed in 2016, had a higher cultural diversity than most local markets. 14.6% of its population spoke languages other than English at home, while 34.7% were born overseas. Christianity was the dominant religion, comprising 54.4%.

Judaism was overrepresented at 0.5%, compared to Greater Sydney's 0.4%. In terms of ancestry, the top groups were English (29.9%), Australian (20.1%), and Irish (9.4%). Some ethnic groups showed notable differences: South African (1.3% vs regional 1.1%), Welsh (0.8% vs 0.9%), and French (0.8% vs 1.4%) were overrepresented in Clontarf compared to the region.

Clontarf hosts an older demographic, ranking in the top quartile nationwide

Clontarf's median age is 47 years, which is considerably higher than Greater Sydney's average of 37 years and exceeds the national average of 38 years by a substantial margin. The 55-64 age group makes up 17.6% of Clontarf's population, compared to Greater Sydney's percentage, while the 25-34 cohort constitutes only 4.9%. This concentration in the 55-64 age group is well above the national average of 11.2%. According to post-2021 Census data, the 15-24 age group has grown from 15.6% to 17.1% of Clontarf's population. Conversely, the 35-44 cohort has declined from 8.2% to 6.8%, and the 45-54 group has dropped from 17.5% to 16.2%. Demographic modeling indicates that Clontarf's age profile will evolve significantly by 2041, with the 85+ cohort projected to grow by 87%, adding 49 residents to reach a total of 106. Senior residents aged 65 and above will drive 95% of population growth, emphasizing demographic aging trends. Meanwhile, population declines are projected for both the 25-34 and 45-54 cohorts.