Griffin
Griffin's profile is unusually young and renter heavy: the median age is 29, which is 11 years below the national benchmark, and 54.2% of households rent. Compared with nearby Mango Hill and Murrumba Downs, it reads as a newer family expansion area because 72.4% of dwellings are separate houses and 60.6% have 4 or more bedrooms. Household income sits at the 75.4 percentile, above many middle income suburbs, supporting demand even while ownership is still building.
Population
12,295
Median Age
29.0
Household IncomeiMedian weekly household income (ABS Census)
$2,013/wk
DAs (12 months)iDevelopment Applications lodged in the past year
19
Median House
$508K
Estimated from rent (2025)
Homebuyers should treat Griffin as a family space market rather than a compact unit market. The median house price is not quoted, but the dwelling mix is clear: 72.4% separate houses, 26.7% semi detached homes and only 0.9% apartments. Larger homes dominate, with 60.6% offering 4 or more bedrooms and 34.7% offering 3 bedrooms. Monthly mortgage payments of $1,941 take 22.3% of income, below rental share pressure, because household income is relatively high at $2,013 a week.
For Buyers
Homebuyers should treat Griffin as a family space market rather than a compact unit market. The median house price is not quoted, but the dwelling mix is clear: 72.4% separate houses, 26.7% semi detached homes and only 0.9% apartments. Larger homes dominate, with 60.6% offering 4 or more bedrooms and 34.7% offering 3 bedrooms. Monthly mortgage payments of $1,941 take 22.3% of income, below rental share pressure, because household income is relatively high at $2,013 a week.
For Investors
Griffin has a strong rental base, with 54.2% of households renting compared with 39.9% paying a mortgage and just 5.9% owning outright. Median rent is $385 a week and the vacancy rate is 3.9%, so leasing conditions look balanced rather than undersupplied. Demand is supported by forecast growth of 3.7% a year and 18 development applications in 12 months, because new housing supply is still responding to population inflow.
Development Activity
Total DAs
54
Last 12 Months
19
YoY ChangeiYear-over-year change in DA lodgements
-38.7%
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Schools in Griffin iICSEA: school advantage index. 1000 = national avg, higher = more advantaged
Griffin State School
Prep-6 · 1159 students
Demographics
Griffin is younger and more internationally connected than the national average. The median age is 29, sitting 11 years below the national benchmark, while 30.8% of residents were born overseas, 9.2 percentage points above national. University attainment is 29.9%, just 0.2 points below national, and household size is 2.9, which is 0.4 above national. English ancestry is the largest group at 4,194 people, alongside Indian ancestry at 842 and Punjabi speakers at 451.
Age Distribution
Bedrooms
Dwelling Structure
72.4%
Houses
26.7%
Townhouse
0.9%
Apartment
Tenure
Griffin's housing stock is shaped by new family estates and rental turnover. With no quoted median house price, the clearest signals are tenure and dwelling type: 54.2% rent, 39.9% have a mortgage and only 5.9% own outright. Separate houses account for 72.4%, well above the 0.9% apartment share, while 26.7% are semi detached. The bedroom profile reinforces the family bias, because 60.6% of homes have 4 or more bedrooms compared with 4.0% with 2 bedrooms.
Mortgage / mo
$1,941
Rent / wk
$385
HH Size
2.9
Personal Income / wk
$978
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
3.9%
Unoccupied
169
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
19.1%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
22.3%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
20.1%
Couples, no children
10,567
Total families
Economy & Employment
Griffin's workforce leans toward service and care industries, with Healthcare employing 1,072 people or 23.7%, well above the next largest sector, Construction at 441 workers or 9.7%. Education has 402 workers, Transport 371 and Retail 370. Professionals lead occupations at 1,176, followed by Community and Personal Service at 1,003. The 71.0% participation rate and 68.5% full time rate support household income at the 75.4 percentile. SEIFA is mixed: IEO decile 5, IER decile 7, IRSD decile 6 and IRSAD decile 6, showing resources rank higher than education and occupation status.
Unemployment
4.2%
Labour Force
16,435
Unemployed
684
Quarterly Trend
Source: SALM Dec-25
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
68.5%
Part-time
26.4%
Participation
71.0%
Employed
5,935
Occupations
Top Industries
University
29.9%
Postgraduate
6.3%
Born Overseas
30.8%
Dwellings
4,149
Transport to Work
Griffin suits car based family living more than transit commuting. Car driving accounts for 91.4% of journeys, far higher than public transport at 3.1% and walking or cycling at 0.4%, because the suburb's detached housing pattern spreads activity across estates. Local schooling is anchored by 1 government primary, Griffin State School, with ICSEA 1015 and enrolment of 1,159, so the in-suburb school range is 1015 to 1015. IRSAD decile 6 places local advantage slightly above the middle of the state distribution.
Drive
91.4%
Public Transport
3.1%
Walk / Cycle
0.4%
Work from Home
N/A
Population Forecast
+3.7%/yr
(+1,004 people/yr)
EstablishedGriffin is still expanding at a high rate for an established suburb. The forecast trend is 3.7% annual growth, equal to about 1,004 extra residents a year, lifting the medium scenario from 27,130 in 2025 to 33,470 by 2031, above the recent base. Migration is the main engine, led by internal migration at 323 net people a year plus 237 from overseas. The gentrification score is 0 and the stage is New development, so growth is more about new housing and household formation than price led reinvention.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Internal Migration
Net Overseas / yr
+237
Net Internal / yr
+323
Gentrification Signal
New development
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Griffin compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Griffin a good suburb to live in?
Griffin suits households wanting newer family housing and a younger resident base. The median age is 29, 72.4% of homes are separate houses and 60.6% have 4 or more bedrooms, which supports family living more than apartment style convenience.
What is the median house price in Griffin?
There is no quoted median house price for Griffin. The available cost signals are a median rent of $385 a week and median monthly mortgage repayments of $1,941, with mortgage costs taking 22.3% of income.
What schools are in Griffin?
Griffin's in-suburb school is Griffin State School, a government primary school with ICSEA 1015 and enrolment of 1,159 students. That gives the suburb 1 local listed school, focused on primary years.
Is Griffin safe?
A suburb crime rate is not quoted for Griffin, so safety is harder to benchmark directly. Daily movement is highly car based, with 91.4% of commuters driving, so buyers should compare individual streets and access routes during inspections.
Is Griffin good for property investment?
Griffin has investor appeal because 54.2% of households rent and the median rent is $385 a week. Vacancy is 3.9%, while forecast population growth is 3.7% a year, supporting demand if supply remains balanced.
How is Griffin's population changing?
Griffin is growing quickly. The medium forecast rises from 27,130 people in 2025 to 33,470 in 2031, with annual growth of 3.7%. Internal migration adds an average 323 people a year, above overseas migration at 237.
What languages are spoken in Griffin?
Griffin has a noticeable multilingual population, with 30.8% of residents born overseas. The largest listed non English language group is Punjabi with 451 speakers, followed by Hindi at 106, Nepali at 68 and Samoan at 66.
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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