Sippy Downs
A median age of 33 gives Sippy Downs a younger profile, sitting 7.0 years below the national benchmark while overseas-born residents are 26.4%, or 4.8 percentage points above national. The suburb has 11,544 residents across 14.51 sq km, with density of 795.5 people per sq km. Compared with nearby Buderim and Mountain Creek, its identity leans more toward younger households, renters and education-linked families because 39.2% rent and 48.2% of homes have 4 plus bedrooms.
Population
11,544
Median Age
33.0
Household IncomeiMedian weekly household income (ABS Census)
$1,484/wk
DAs (12 months)iDevelopment Applications lodged in the past year
7
Median House
$558K
Estimated from rent (2025)
For buyers, Sippy Downs is strongest on household scale rather than prestige pricing. Separate houses make up 64.3% of dwellings, and 48.2% of homes have 4 plus bedrooms compared with 17.3% with 2 bedrooms, so family-sized stock is common. The median monthly mortgage is $1,889 and mortgage payments absorb 29.4% of income, below the rent stress ratio of 31.0%. That matters because buyers moving from renting may gain space while keeping repayments near the local income line.
For Buyers
For buyers, Sippy Downs is strongest on household scale rather than prestige pricing. Separate houses make up 64.3% of dwellings, and 48.2% of homes have 4 plus bedrooms compared with 17.3% with 2 bedrooms, so family-sized stock is common. The median monthly mortgage is $1,889 and mortgage payments absorb 29.4% of income, below the rent stress ratio of 31.0%. That matters because buyers moving from renting may gain space while keeping repayments near the local income line.
For Investors
Investor demand is helped by a large tenant base: 39.2% of households rent, higher than the 22.3% owned outright share, with median rent at $460 per week. Vacancy is 4.2%, so leasing conditions are not as tight as lower-vacancy markets, but demand is supported by annual overseas migration of 203 people and 2.31% projected population growth. Only 7 development applications in 12 months suggests new supply pressure is moderate rather than aggressive.
Development Activity
Total DAs
23
Last 12 Months
7
YoY ChangeiYear-over-year change in DA lodgements
-22.2%
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Schools in Sippy Downs iICSEA: school advantage index. 1000 = national avg, higher = more advantaged
Siena Catholic Primary School
Prep-6 · 616 students
Siena Catholic College
7-12 · 889 students
Chancellor State College
Prep-12 · 2609 students
Demographics
Sippy Downs has a young, mixed household profile. The median age is 33, which is 7.0 years below national, while 28.5% hold a university qualification, 1.6 percentage points below national. Overseas-born residents are 26.4%, 4.8 points above national, so migration adds depth without making the suburb migrant-majority. English ancestry is the largest group at 4,801 people, followed by Scottish at 1,282 and Irish at 1,201, with Mandarin the top non-English language at 74 speakers.
Age Distribution
Bedrooms
Dwelling Structure
64.3%
Houses
23.3%
Townhouse
12.4%
Apartment
Tenure
Sippy Downs has no current median house price figure to cite, so the housing story is best read through tenure, dwelling type and payment stress. Renting is 39.2%, higher than outright ownership at 22.3%, while 38.5% are paying a mortgage. Separate houses are 64.3% of stock compared with apartments at 12.4%, and 4 plus bedroom homes make up 48.2%. Rent-to-income is 31.0%, above the 29.4% mortgage-to-income figure, which points to more pressure for tenants than mortgaged owners.
Mortgage / mo
$1,889
Rent / wk
$460
HH Size
2.6
Personal Income / wk
$669
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
4.2%
Unoccupied
167
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
31.0% stressed
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
29.4%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
26.9%
Couples, no children
8,097
Total families
Economy & Employment
The local workforce is service-heavy, led by healthcare at 23.2% or 827 workers, education at 12.1% or 431, construction at 11.1% or 395, retail at 9.4% and hospitality at 8.1%. Community and personal service roles count 993 workers, slightly above professionals at 971, because the employment base is tied to care, schools and consumer services. Unemployment is 6.4% with participation at 54.9%. SEIFA sits near average: IRSAD decile 5, IRSD decile 5, IEO decile 5 and IER decile 6.
Unemployment
3.5%
Labour Force
7,005
Unemployed
248
Quarterly Trend
Source: SALM Dec-25
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
55.1%
Part-time
38.5%
Participation
54.9%
Employed
4,874
Occupations
Top Industries
University
28.5%
Postgraduate
6.1%
Born Overseas
26.4%
Dwellings
3,856
Transport to Work
Livability is anchored by schools and car access rather than public transport. There are 3 local schools, with ICSEA ranging from 1042 to 1081; Siena Catholic Primary School at 1081 and Siena Catholic College at 1073 sit at the higher end, while Chancellor State College adds a large Government option with 2,609 enrolments. Travel patterns are car-led because 88.4% drive to work compared with 2.5% using public transport and 3.4% walking or cycling. IRSAD decile 5 points to average socio-economic advantage.
Drive
88.4%
Public Transport
2.5%
Walk / Cycle
3.4%
Work from Home
N/A
Population Forecast
+2.31%/yr
(+293 people/yr)
EstablishedGrowth is projected to stay above a flat replacement pattern, with the trend running at 2.31% per year, or 293 people annually. The medium path lifts population from 13,266 in 2026 to 14,729 in 2031, compared with 12,683 in 2025. Migration is the key reason: overseas migration averages 203 people per year versus 30 from internal migration. Gentrification is at 37 and labelled early signs, while the shift indicators show a declining young trajectory with young share down 3.8 points.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Overseas Migration
Net Overseas / yr
+203
Net Internal / yr
+30
Gentrification Signal
Early signs
Population +35% since 2011, Strong overseas inflow +203/yr, Accelerating: 13% → 19%
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Sippy Downs compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Sippy Downs a good suburb to live in?
Yes for households wanting schools, larger homes and a younger resident base. The median age is 33, 48.2% of homes have 4 plus bedrooms, and there are 3 local schools, so the suburb suits families more than people needing strong public transport.
What is the median house price in Sippy Downs?
Sippy Downs has no current median house price figure to cite. Affordability is better read through the $1,889 median monthly mortgage, $460 median weekly rent, and 29.4% mortgage-to-income ratio.
What schools are in Sippy Downs?
Sippy Downs has 3 local schools: Siena Catholic Primary School with ICSEA 1081 and 616 enrolments, Siena Catholic College with ICSEA 1073 and 889 enrolments, and Chancellor State College with ICSEA 1042 and 2,609 enrolments.
Is Sippy Downs safe?
There is no suburb-level crime rate per 1,000 residents to cite for Sippy Downs. Safety should be checked street by street, but the suburb has 11,544 residents and school-centred residential pockets that can differ by location.
Is Sippy Downs good for property investment?
It has investor appeal because 39.2% of households rent and median rent is $460 per week. Vacancy is 4.2%, so it is not a severely undersupplied rental market, but 2.31% annual population growth supports demand.
How is Sippy Downs's population changing?
Sippy Downs is growing at a projected 2.31% per year, equal to about 293 people annually. The medium forecast rises from 13,266 residents in 2026 to 14,729 in 2031, with overseas migration adding 203 people per year.
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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