Blair Athol
At 3,025 residents per square kilometre packed into under 1 km2, Blair Athol delivers something unusual for Greater Sydney: family-scale detached housing at density. The suburb is almost entirely separate houses (98.2%), yet 76.6% of those have 4 or more bedrooms, pointing to large households averaging 3.4 people, which is 0.9 above the national average. Overseas-born residents make up 47.7% of the population, fully 26.1 percentage points above the national figure, and the household income sits at the 90.5th percentile nationally despite a mortgage-belt ownership profile where 54.4% of dwellings carry a loan.
Population
2,725
Median Age
37.0
Household IncomeiMedian weekly household income (ABS Census)
$2,389/wk
DAs (12 months)iDevelopment Applications lodged in the past year
6
Median House
$1.0M
2024-2025 (PSI derived)
The median house price reached $1,010,000 in the 2024-25 period, up from $1,002,500 in 2024 to $1,040,000 in 2025, a 3.7% annual growth rate over that window. The dominant stock is large family homes: 76.6% have 4 or more bedrooms and 98.2% are separate houses, so buyers face little choice variance but strong consistency of product. Monthly mortgage repayments average $2,167, producing a mortgage-to-income ratio of 20.9%, comfortably below the 30% stress threshold even at current house prices. With 54.4% of households on a mortgage and 25.7% owning outright, the suburb is firmly in mortgage-belt territory, where most occupants are owner-occupiers steadily paying down debt rather than renters or investors.
For Buyers
The median house price reached $1,010,000 in the 2024-25 period, up from $1,002,500 in 2024 to $1,040,000 in 2025, a 3.7% annual growth rate over that window. The dominant stock is large family homes: 76.6% have 4 or more bedrooms and 98.2% are separate houses, so buyers face little choice variance but strong consistency of product. Monthly mortgage repayments average $2,167, producing a mortgage-to-income ratio of 20.9%, comfortably below the 30% stress threshold even at current house prices. With 54.4% of households on a mortgage and 25.7% owning outright, the suburb is firmly in mortgage-belt territory, where most occupants are owner-occupiers steadily paying down debt rather than renters or investors.
For Investors
The investment fundamentals are tighter than the high median suggests. Weekly rent of $470 against a $1,010,000 median implies a gross yield near 2.4%, which is low for a suburban market. The vacancy rate of 1.8% is lean and indicates genuine tenant demand rather than oversupply. However, the renter share is only 19.9%, limiting the pool of potential tenants compared to higher-density suburbs. Development activity is subdued at just 6 applications in the past 12 months, with one secondary dwelling and alteration works among the recent lodgements. The 3.7% annual price growth recorded from 2024 to 2025 exceeds typical savings rates, supporting capital growth as the primary investment thesis rather than yield.
Development Activity
Total DAs
23
Last 12 Months
6
YoY ChangeiYear-over-year change in DA lodgements
+200.0%
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Demographics
Blair Athol's median age of 37 sits 3 years below the national median, reflecting a population weighted toward working-age families. Overseas-born residents reach 47.7%, which is 26.1 percentage points above the national figure, one of the more internationally diverse profiles for a low-density suburban setting. The top ancestries include Filipino (348 residents) and Indian (278 residents) alongside English (409), and Arabic is the most spoken non-English language at 92 speakers, followed by Hindi (63) and Malayalam (46). University qualifications run at 43.6%, which is 13.5 percentage points above the national average, suggesting the overseas-born cohort is predominantly skilled migration. Average household size of 3.4 persons compares to a national average of about 2.5, consistent with multigenerational and large family living.
Age Distribution
Bedrooms
Dwelling Structure
98.2%
Houses
1.4%
Townhouse
0.4%
Apartment
Tenure
The housing stock is remarkably uniform: 98.2% separate houses, with apartments at just 0.4% and semi-detached at 1.4%. Within that detached-dominant supply, 76.6% have 4 or more bedrooms and only 21.6% have 3 bedrooms, making this an outlier versus most Sydney suburbs where 3-bedroom stock dominates. Tenure tilts heavily toward ownership: 54.4% hold a mortgage and 25.7% own outright, leaving renters at 19.9%. The median house price moved from $1,002,500 in 2024 to $1,040,000 in 2025, a 3.7% rise over one year. Rent-to-income stands at 19.7% and mortgage-to-income at 20.9%, both below the stress threshold of 30%, meaning households across both ownership modes carry manageable housing costs relative to income.
Median House Price Trend
Source: State Valuer-General
Mortgage / mo
$2,167
Rent / wk
$470
HH Size
3.4
Personal Income / wk
$809
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
1.8%
Unoccupied
14
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
19.7%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
20.9%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
16.3%
Couples, no children
2,443
Total families
Economy & Employment
Healthcare dominates the local employment base at 24.4% of workers (214 people), well above typical suburban levels, followed by Education at 9.9% (87) and Manufacturing at 9.2% (81). Professionals are the largest occupation group at 312 workers, ahead of Clerical/Admin (218) and Machinery/Drivers (140). Full-time employment runs at 68.5% of employed residents, a strong result, though the overall unemployment rate of 7.6% is elevated compared to national levels, and the labour force participation rate is 55.5%, indicating a large share of residents outside the workforce. Household income at $2,389 per week places the suburb at the 90.5th percentile nationally, which appears high relative to the participation rate, suggesting high incomes among those employed offset the lower overall participation.
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
68.5%
Part-time
23.9%
Participation
55.5%
Employed
1,151
Occupations
Top Industries
University
43.6%
Postgraduate
7.8%
Born Overseas
47.7%
Dwellings
785
Transport to Work
Car dependence is high: 83.1% of residents drive to work, while only 6.4% use public transport and 1.1% walk or cycle. For a suburb within the Campbelltown area, this is a typical pattern but worth noting for households reliant on one car or seeking transit access. Housing stress indicators are favourable on both sides: mortgage-to-income at 20.9% and rent-to-income at 19.7% both sit well below the 30% stress threshold, meaning the suburb is relatively affordable relative to the incomes of its residents. No schools are recorded within the suburb boundary in this dataset, so families are dependent on nearby Campbelltown schools. At 6.1%, the share of residents needing daily assistance is modest. The volunteering rate of 9.6% is below national averages, consistent with a time-pressed working family population.
Drive
83.1%
Public Transport
6.4%
Walk / Cycle
1.1%
Work from Home
N/A
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Blair Athol compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Blair Athol a good suburb to live in?
Blair Athol suits large families well. The suburb is 98.2% detached houses, 76.6% with 4 or more bedrooms, and average household size is 3.4 persons, higher than the national average. Household income sits at the 90.5th percentile nationally, and housing stress is low, with mortgage-to-income at 20.9% and rent-to-income at 19.7%, both well below the 30% threshold.
What is the median house price in Blair Athol?
The median house price is approximately $1,010,000 based on 2024-25 PSI data. Prices moved from $1,002,500 in 2024 to $1,040,000 in 2025, a 3.7% annual growth rate. Monthly mortgage repayments average $2,167 and weekly rent is $470.
What schools are in Blair Athol?
No schools are recorded within the Blair Athol suburb boundary in this dataset. Families rely on schools in surrounding Campbelltown area suburbs. The local population has a high education level, with 43.6% holding university qualifications, which is 13.5 percentage points above the national figure.
Is Blair Athol safe?
Detailed crime statistics are not available for Blair Athol in this dataset. As indirect indicators, the suburb's housing stress is low (mortgage-to-income 20.9%, rent-to-income 19.7%), household income is in the 90.5th percentile nationally, and residential stability is high with 85.5% of residents staying at the same address over five years.
Is Blair Athol good for property investment?
The 1.8% vacancy rate and 3.7% annual price growth from 2024 to 2025 are positive signals. However, weekly rent of $470 against a $1,010,000 median produces a gross yield near 2.4%, which is low. Only 19.9% of dwellings are rented, limiting the tenant pool, so the investment case depends more on capital growth than rental income.
How is Blair Athol's population changing?
Blair Athol has a population of 2,725 across an area of 0.9 km2. Residential stability is high: 85.5% of residents have stayed at the same address over the five-year reference period, giving a turnover rate of just 14.5%. The suburb's 47.7% overseas-born share, 26.1 percentage points above national, suggests continued migration-driven household formation.
What languages are spoken in Blair Athol?
With 47.7% of residents born overseas, 26.1 percentage points above the national figure, Blair Athol is linguistically diverse. Arabic is the most spoken non-English language at 92 speakers, followed by Hindi (63), Malayalam (46), Punjabi (34) and Bengali (29), reflecting a South Asian and Middle Eastern migrant community.
How to read these comparisons
Phrases like "above the national average" reference the unweighted median across Australian suburbs with more than 1,000 residents, not population-weighted national figures. Suburb-level medians are more useful for ranking suburbs against each other; ABS census headlines are population-weighted (so dominated by Sydney and Melbourne) and can read very differently.
Current baseline (refreshed 2026-05-10): median age 40, university-educated 30.1%, born overseas 21.6%, average household size 2.5 people.
Data sources: ABS 2021 Census (demographics, income, tenure), state Valuer-General (house prices), Department of Jobs SALM (unemployment), ACARA (school ICSEA), state Crime Statistics agencies (offences), council DA portals (development applications). Population forecasts use a Hamilton-Perry cohort model calibrated to ABS ERP.
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