Isaacs
Isaacs stands out for an older, affluent profile: its median age is 49, which is 9 years above the national figure, and its household income sits at the 94.5th percentile. The suburb has 2,379 residents across 3.09 square kilometres, giving a density of 770.4 people per square kilometre. Compared with nearby Mawson, Isaacs reads as more residential, with 83.9% separate houses and 56.8% of dwellings containing 4 or more bedrooms. That stock, combined with 60.9% university attainment, helps explain its established-wealth identity, while 81.5% of residents stayed at the same address, pointing to a settled community rather than a high-turnover market.
Local council: Unincorporated ACT
Population
2,379
Median Age
49.0
Household IncomeiMedian weekly household income (ABS Census)
$2,670/wk
DAs (12 months)iDevelopment Applications lodged in the past year
3
Isaacs suits buyers prioritising established detached housing over compact product. A current median house price is not available, so monthly mortgage and rent measures are more useful guides: the mortgage figure is $2,300 per month, while weekly rent is $520. Mortgage commitments equal 19.9% of household income, slightly higher than the 19.5% rent-to-income measure, and neither is flagged as stressed. Compared with a unit-led market, Isaacs has 83.9% separate houses and 16.1% semi-detached homes. The 56.8% proportion of 4-plus-bedroom dwellings is higher than the 37.9% three-bedroom share, supporting families or buyers wanting space, but also pointing to a larger maintenance burden.
For Buyers
Isaacs suits buyers prioritising established detached housing over compact product. A current median house price is not available, so monthly mortgage and rent measures are more useful guides: the mortgage figure is $2,300 per month, while weekly rent is $520. Mortgage commitments equal 19.9% of household income, slightly higher than the 19.5% rent-to-income measure, and neither is flagged as stressed. Compared with a unit-led market, Isaacs has 83.9% separate houses and 16.1% semi-detached homes. The 56.8% proportion of 4-plus-bedroom dwellings is higher than the 37.9% three-bedroom share, supporting families or buyers wanting space, but also pointing to a larger maintenance burden.
For Investors
Isaacs presents as an owner-heavy, low-development rental market rather than a high-volume growth play. Only 17.4% of occupied dwellings are rented, compared with 51.8% owned outright and 30.2% held with a mortgage, so the tenant pool is smaller and turnover may be less dependable. Weekly rent is $520 and vacancy is 6.3%, while rent growth is 18.7%, a combination that can support income but also signals changing affordability. Three development matters over 12 months indicate a small supply pipeline. Migration is Balanced and the annual trend is -0.29%, so investors should focus on property quality, holding periods and tenant appeal rather than assuming rapid capital growth.
Development Activity
Total DAs
20
Last 12 Months
3
YoY ChangeiYear-over-year change in DA lodgements
0.0%
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Demographics
Isaacs has an older and more highly educated population than Australia overall. Median age is 49, or 9 years above the national comparison, while university attainment is 60.9%, 30.8 percentage points higher than the national figure. Overseas-born residents account for 36.6%, 15.0 points above national, helping explain the presence of Mandarin, Canton, Malayalam, Greek and Hindi languages. English ancestry is the largest reported group at 696 people, followed by Other at 430, Irish at 243, Chinese at 232 and Scottish at 185. Couples without children make up 45.7% of families, above couples with children at 40.7%, consistent with an aging trajectory and an average household size of 2.5.
Age Distribution
Bedrooms
Dwelling Structure
83.9%
Houses
16.1%
Townhouse
0.0%
Apartment
Tenure
Isaacs' housing profile is anchored by ownership and generous detached stock. Outright owners represent 51.8% of households and mortgage holders 30.2%, compared with 17.4% renters, so ownership is substantially more common than renting. Separate houses account for 83.9%, while semi-detached homes make up 16.1%; 56.8% of dwellings have 4 or more bedrooms and 37.9% have 3 bedrooms. This is a more spacious profile than a compact apartment market because separate houses and larger dwellings dominate. Household income at the 94.5th percentile and an IRSAD decile of 10 place Isaacs above most Australian areas on socioeconomic advantage, helping explain why outright ownership is higher than mortgage tenure. Buyers should compare renovated and original homes carefully because no reliable current suburb median is available.
Mortgage / mo
$2,300
Rent / wkiABS Census 2021 median across all dwelling types. Current market rents are typically higher.
$520
Census 2021
HH Size
2.5
Personal Income / wk
$1,307
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
6.3%
Unoccupied
61
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
19.5%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
19.9%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
40.7%
Couples with children
45.7%
Couples, no children
12.0%
Single parent
717
Total families
Economy & Employment
Isaacs' economy is closely linked to Canberra's public-sector and professional base. Public administration employs 320 people, or 35.2% of workers, well above healthcare at 17.7% and professional and technical work at 12.7%. Education contributes 8.7% and construction 5.2%, creating some sector spread but leaving public administration as the dominant anchor. Professionals number 426 and managers 227, compared with 167 in clerical and administrative roles and 70 in trades, pointing to a higher-skilled occupational mix. Unemployment is 4.5% and participation is 57.5%, while 67.3% of workers are full time. IEO and IER are decile 9, while IRSD and IRSAD are decile 10. The gap is modest, and all four measures sit above the national midpoint because high incomes and professional employment reinforce socioeconomic advantage.
Unemployment
4.5%
Labour Force
1,168
Unemployed
52
Source: ABS Census 2021
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
67.3%
Part-time
28.8%
Participation
57.5%
Employed
1,116
Full-time and part-time are shares of the employed. Source: ABS Census 2021
Occupations
Top Industries
University
60.9%
Postgraduate
24.9%
Born Overseas
36.6%
Dwellings
913
Transport to Work
Isaacs has an established, car-oriented lifestyle suited to residents who value space and convenient driving access. Car drivers account for 76.3% of journeys, far higher than public transport at 3.0%, while 13.4% work from home and only 1.2% walk or cycle. That pattern reflects a suburb where daily access is more dependent on driving than on local active-transport links. Socioeconomic advantage is exceptionally high, with IRSAD in decile 10 and IRSD also in decile 10, above the national middle. Volunteering reaches 21.9%, which can support local connection, and 5.8% of residents need assistance. Families should check nearby school options and exact enrolment zones because choices may extend beyond Isaacs' boundaries.
Drive
76.3%
Public Transport
3.0%
Walk / Cycle
1.2%
Work from Home
13.4%
Growth Outlook
Isaacs is an established suburb with slow, aging growth rather than a major expansion cycle. The annual trend is -0.29%, while population change across the wider area is 1.1% over 10 years, so the local outlook is slower than a fast-growing corridor. Migration is described as Balanced, which fits a settled area where 81.5% of residents stayed at the same address and turnover was 18.5%. The trajectory is Aging: the senior share rose 6.3 percentage points, compared with only 0.6 points for the young share, while the working share fell 2.6 points. Gentrification readings are limited, with a score of 0 and stage Not gentrifying, while the shift profile records a score of 20 and stage Early signs. That combination favours accessible homes, maintenance upgrades and age-friendly services over large new-project speculation.
Population trend: Unincorporated ACT council area
Isaacs sits in the Unincorporated ACT council area. These are the council area's residents, not Isaacs's.
Residents 2025
484,630
Growth, 5 yr average
+1.7%/yr
2020 to 2025
Growth, last year
+1.3%
2024 to 2025
ABS Estimated Resident Population by LGA, 30 June each year; council area, not this suburb
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Isaacs compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Isaacs a good suburb to live in?
Isaacs can suit households wanting an established, quieter setting, with a median age of 49, 83.9% separate houses and IRSAD in decile 10. It is more car-dependent than transit-oriented, with 76.3% driving and 3.0% using public transport, so lifestyle fit depends on comfort with local travel.
What is the median house price in Isaacs?
A reliable current median house price is not quoted for Isaacs. As a guide to the housing profile, 83.9% of homes are separate houses, 51.8% of households own outright and weekly rent is $520. Compare like-for-like local sales, especially by renovation level and bedroom count, rather than applying a nearby suburb's median.
What schools are in Isaacs?
School options for Isaacs should be checked across nearby suburbs, including government, Catholic and independent sectors, because enrolment zones can cross suburb boundaries. With 76.3% driving compared with 3.0% public transport, school-run logistics may be more car-dependent, so confirm routes as well as eligibility.
Is Isaacs safe?
Isaacs sits in IRSAD decile 10 and IRSD decile 10, indicating high socioeconomic advantage rather than guaranteeing safety. For a current safety view, check ACT policing information and the exact street, especially around traffic, lighting and access routes, rather than relying on a suburb-wide assumption.
Is Isaacs good for property investment?
Isaacs may suit a long-term investor seeking an established, owner-heavy market, but the outlook is not a rapid-growth story. Rent is $520 per week, vacancy is 6.3%, development activity totals 3 matters over 12 months and the annual trend is -0.29%. The 17.4% renter share is lower than the ownership shares, so tenant depth and resale demand should be assessed carefully.
How is Isaacs's population changing?
Isaacs is changing slowly and ageing rather than expanding quickly. The annual trend is -0.29%, while population change across the wider area is 1.1% over 10 years. Its trajectory is Aging, with the senior share up 6.3 points and the working share down 2.6 points. Migration is Balanced, and 81.5% of residents stayed at the same address, supporting a settled population profile.
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 education open registers (school locations), state Crime Statistics agencies (offences), council DA portals (development applications).
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