QLD 4556 Census 2021 + Live DA Data

Sippy Downs

A 33-year median age and 11,544 residents give Sippy Downs a younger profile than the national age benchmark, while 26.4% of residents were born overseas, 4.8 percentage points above the national share. Density is 795.5 people per square kilometre, and 48.2% of dwellings have four or more bedrooms. For buyers comparing Sippy Downs with nearby Buderim or Mooloolaba, the practical distinction is a family-sized, car-oriented suburb with strong education, healthcare and construction links rather than a beachside lifestyle address.

Sippy Downs urban fabric map

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

19

14.51 km²· 795.5 people/km²· Family income $1,822/wk

Homebuyers need to budget around a $1,889 monthly mortgage indicator and $460 weekly rent, since a current suburb median sale price is not stated. The housing mix is more separate-house oriented than apartment oriented: 64.3% separate houses, 23.3% semi-detached homes and 12.4% apartments. Larger stock is consistent with 48.2% of homes having four or more bedrooms and 41.4% of families including children. Mortgage costs absorb 29.4% of household income versus 31.0% for rent, so renters face slightly higher stress.

For Buyers

Homebuyers need to budget around a $1,889 monthly mortgage indicator and $460 weekly rent, since a current suburb median sale price is not stated. The housing mix is more separate-house oriented than apartment oriented: 64.3% separate houses, 23.3% semi-detached homes and 12.4% apartments. Larger stock is consistent with 48.2% of homes having four or more bedrooms and 41.4% of families including children. Mortgage costs absorb 29.4% of household income versus 31.0% for rent, so renters face slightly higher stress.

For Investors

Investors get a rental profile with 33.8% of households renting, $460 weekly rent and a 4.2% vacancy rate, which is below 5% and can indicate a reasonably active letting market. Rents have grown 15.0%, while overseas migration is the primary forecast driver, supporting a tenant pool beyond local household churn. Eighteen development matters were recorded over 12 months, fewer than 20, so construction activity is present but not overwhelming. Check yields against purchase prices, insurance and vacancy risk rather than relying on rent alone.

Development Activity

Total DAs

38

Last 12 Months

19

YoY ChangeiYear-over-year change in DA lodgements

+111.1%

Avg DA CostiAverage estimated cost per DA in the past year

N/A

Monthly DA Lodgements

DA Categories

Other
6
Swimming Pool / Spa
6
Change of Use
4
Renovation / Extension
3
Landscaping / Retaining Wall
2
Deck / Pergola / Patio
2
Multi-Dwelling / Townhouse
1
New Dwelling
1

Schools in Sippy Downs

Open-register school locations for education access. This is not a school-quality ranking.

Siena Catholic College (Sippy Downs)

Non-State School Catholic

Siena Catholic Primary School (Sippy Downs)

Non-State School Catholic

Chancellor State College

State School Government

Demographics

Sippy Downs has a median age of 33, which is 7.0 years below the national figure, and 28.5% of residents hold a university qualification, 1.6 percentage points below the national level. Overseas-born residents account for 26.4%, 4.8 points above nationally. English, Scottish and Irish are the largest reported ancestries at 4,801, 1,282 and 1,201 people, while no religion is recorded for 5,298 residents compared with 4,778 identifying with Christianity. A 2.6-person average household and 34.5% turnover rate point to a mix of young households and mobile workers. When comparing Sippy Downs with nearby Buderim or Mooloolaba, use household age and tenure as practical differentiators.

Age Distribution

0-14
17.9%
15-24
20.7%
25-44
25.7%
45-64
18.3%
65+
17.5%

Bedrooms

Studio/1br
1.3%
2 bed
17.3%
3 bed
33.1%
4+ bed
48.2%

Dwelling Structure

64.3%

Houses

23.3%

Townhouse

12.4%

Apartment

Tenure

Own 19.3% Mortgage 33.3% Rent 33.8% Other 13.6%

Housing tenure is split across 19.3% outright owners, 33.3% mortgagors, 33.8% renters and 13.6% other arrangements, so no single tenure group dominates. The 64.3% separate-house share is higher than the 12.4% apartment share, while 23.3% semi-detached dwellings add a middle-density option. Bedroom supply leans large: 48.2% have four or more bedrooms, compared with 33.1% with three. Mortgage repayments equal 29.4% of household income, below the 31.0% rent burden, which helps explain why renting may feel tighter than owning for established borrowers. Buyers comparing Sippy Downs with nearby Buderim should test each street's dwelling age, layout and body-corporate costs.

Mortgage / mo

$1,889

Rent / wkiMedian weekly rent for new bonds (Jun 2026 quarter), QLD RTA bond data. Census 2021 median: $460.

$810

Bond data Jun 2026 quarter · houses $810 · units $620

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

Mandarin
74
Nepali
48
Punjabi
43
Korean
42
Malayalam
27
French
21

Ancestry

English
4,801
Scottish
1,282
Irish
1,201
Other
1,107
Ancestry NS
853
German
646

Household Composition

41.4%

Couples with children

38.6%

Couples, no children

18.4%

Single parent

2,780

Total families

Economy & Employment

Healthcare is the standout local industry at 23.2% of jobs, higher than education at 12.1%; construction contributes 11.1%, retail 9.4% and hospitality 8.1%. That service mix supports employment in care, teaching, building and customer-facing work, while occupations are led by community and personal roles at 993 and professionals at 971, followed by trades at 760 and sales at 735. Labour-force participation is 62.0%, unemployment is 5.7% and full-time employment is 48.5%. SEIFA sits near the middle, with IEO, IRSD and IRSAD all at decile 5 and IER at decile 6. The IER result is one decile higher than the other measures, but the area remains below a top-decile profile.

Unemployment

5.7%

Labour Force

5,873

Unemployed

332

Source: ABS Census 2021

Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)

Overall advantage
5
Disadvantage
5
Economic resources
6
Education & occupation
5

Full-time

48.5%

Part-time

39.5%

Participation

62.0%

Employed

5,541

Full-time and part-time are shares of the employed. Source: ABS Census 2021

Occupations

Community/Personal 993
Professionals 971
Trades 760
Sales 735
Clerical/Admin 592
Labourers 588
Managers 537
Machinery/Drivers 265

Top Industries

Healthcare 23.2%
Education 12.1%
Construction 11.1%
Retail 9.4%
Hospitality 8.1%

University

28.5%

Postgraduate

6.1%

Born Overseas

26.4%

Dwellings

3,856

Transport to Work

Daily life is strongly car dependent: 78.4% travel as car drivers, compared with 2.2% using public transport and 3.0% walking or cycling. That pattern makes parking, school runs and access to major roads more important than transit convenience. Three local schools span two Catholic non-state schools and one government state school, giving families both sector types; exact enrolment zones should be checked against the address. Work-from-home sits at 11.3%, while 14.5% volunteer, adding some local participation. IRSAD is in decile 5 and IER in decile 6, so socioeconomic conditions sit around the middle rather than the top decile. Compare streets for shade, footpaths, traffic and evening activity before choosing.

Drive

78.4%

Public Transport

2.2%

Walk / Cycle

3.0%

Work from Home

11.3%

Population Forecast

+2.31%/yr

(+293 people/yr)

Established

Sippy Downs has a 2.31% annual growth trend, above zero growth, with overseas migration named as the primary driver. Across the wider area, population change is forecast at 27.0% over 10 years, while the shift trajectory is labelled Declining young and the young share has fallen 3.8 percentage points. The signals are mixed rather than uniform: one gentrification measure is at Early signs with a score of 37, while the shift measure is Active at 53. Rent growth of 15.0% and real income growth of 25.6% point to a changing market, but the affordability index moved from 92.4 in 2011 to 68.8 in 2021. Compared with a flat established suburb, the pace is higher, although affordability pressure needs close monitoring.

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

37

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

Population
Top 4%
Household Income
Bottom 46%
Rent Level
Top 8%
Apartments
Top 7%
Renters
Top 16%
Uni Educated
Top 38%
Public Transport
Bottom 45%
Born Overseas
Top 18%
Density
Top 17%

Frequently Asked Questions

Is Sippy Downs a good suburb to live in?

Sippy Downs suits households wanting family-oriented housing, local schools and a young age profile. The median age is 33, the population is 11,544, and 78.4% drive to work, so car access matters more than transit convenience.

What is the median house price in Sippy Downs?

A suburb-wide median house price is not currently stated for Sippy Downs. Buyers can frame affordability using the $1,889 monthly mortgage indicator, $460 weekly rent and 29.4% mortgage-to-income ratio compared with 31.0% for rent.

What schools are in Sippy Downs?

Sippy Downs has 3 local schools: Siena Catholic College, Siena Catholic Primary School and Chancellor State College. The mix is 2 Catholic non-state schools and 1 government state school, with enrolment zones requiring an exact-address check.

Is Sippy Downs safe?

Safety should be checked at street level rather than assumed from the suburb name. Sippy Downs has 795.5 residents per square kilometre and 78.4% car-driver commuting, so inspect traffic, lighting, parking and school-zone conditions around the exact address.

Is Sippy Downs good for property investment?

Sippy Downs may suit investors seeking rental demand, with 33.8% of households renting, $460 weekly rent, 4.2% vacancy and 15.0% rent growth. There were 18 development matters over 12 months, so compare purchase costs, insurance and vacancy risk carefully.

How is Sippy Downs's population changing?

Growth is running at an annual trend of 2.31%, with overseas migration the primary driver. Population change across the wider area is forecast at 27.0% over 10 years, although the trajectory is labelled Declining young and the young share has fallen 3.8 percentage points.

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). Population forecasts use a Hamilton-Perry cohort model calibrated to ABS ERP.

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