Median house price
$1.61M
-2.6% change
SA · Norwood Payneham and St Peters Council
Trinity Gardens, 5068
Est. population · Jun 2025
1,368
Growth (1 yr)
+1.6%
Growth (5 yr)
+7.0%
Median age
40
Median income
$2,006/wk
Employment rate
68.1%
Median house price · Q1 2026
$1,606,300
Languages at home
28.5%non-English
Most common: Italian, Mandarin, Greek
2021 Census · usual residence
Desirability score
- Excellent transport
- Education hub
- Heritage area
- Café precinct
- High desirability
Suburb profile
Trinity Gardens is a practical smaller community in Norwood Payneham and St Peters Council, well placed for families who want metro access without the inner-city squeeze. Neighbouring suburbs are within easy reach, so the wider metro area always feels accessible. Families and commuters make up much of the community, with a strong presence of young families throughout.
The suburb has a clear multicultural mix alongside longer-term local households. Daily life is practical and well connected, with the city and nearby suburbs easy to tap into. A car helps for most daily errands, though buses still link the suburb further afield.
Homes cost more here than in most comparable suburbs. Light infill development is updating a few streets while the wider area stays largely unchanged.
The overall desirability read is around average, pulled by softer parks and green space, plus local dining and lifestyle amenities compared with similar metro suburbs, though community and employment, plus schools and education remain brighter spots.
At a glance
Trinity Gardens snapshot
A quick read of housing, growth, livability, and risk
Median rent
$703/wk
Houses $778 · Units $573
Population (ERP)
1,368
+1.6% annual growth
Dwelling vacancy
6.0%
Census unoccupied dwellings
Livability profile
Desirability pillars vs the peer median (50th percentile)
How it compares
Relative standing using percentiles, ranks, and national deciles
Desirability
#103
among Metro Adelaide · Emerging
Safety
73rd
percentile in state (higher = safer)
Pop. growth
87th
percentile in SA
Advantage (IRSAD)
9/10
national SEIFA decile
School ICSEA
86th
percentile among schools with ICSEA
Population growth
Recent ERP change over 1 and 5 years
Housing mix
Dwelling types from the 2021 Census
Risks & flags
Quick scan — open a section below for full context
Living here
Desirability
Ranks & confidence
- Desirability score
- 42.9/100 — Average
- State standing
- Top 48% of South Australia's suburbs
- National rank
- 3281st in Australia
- State rank
- 339th in SA
- Peer rank
- #103 among Metro Adelaide · Emerging suburbs
- Cohort rank
- #248 among Metro Adelaide suburbs
- Data confidence
- 96%
Data sources & freshness
- Suburb Guide desirability index — Suburb Guide (derived) · current · Updated
Housing
- Flats / units (01/01/26 to 31/03/26)
- $572.5
- Houses (01/01/26 to 31/03/26)
- $777.5
- All types (01/01/26 to 31/03/26)
- $702.5
- Rental bonds lodged (01/01/26 to 31/03/26)
- 10
- Median house price (Q1 2026)
- $1,606,300
- Median price change
- -2.6%
Median weekly rent from SA Housing Authority rental bond data. Figures can be unreliable where few bonds were lodged in the quarter.
Median house sale prices cover metropolitan Adelaide and selected fringe councils (19 LGAs, including Adelaide Hills and Gawler), not all of regional South Australia.
Contributes to desirability score · Housing (15%) · Future Growth (7%)
Median price, rental yield and vacancy Recent price momentum
Data sources & freshness
- SA rent report & metro median house sales — Government of South Australia · 1 January - 31 March 2026; 1Q 2026 · Updated · Quarterly; metro-fringe sales only
Population
Estimated resident population
1,368(June 2025)
+1.6% annual · +7.0% over 5 years · 87th percentile in SA
Growth figures & methodology
- Annual growth
- +1.6%
- 5-year growth
- +7.0%
- Change in 1 year
- +22
- Change in 5 years
- +89
- Growth rank in SA
- 87th percentile
ABS Estimated Resident Population allocated to this suburb from SA2-level data. Not an official ABS suburb count.
Methodology
Figures are allocated from ABS Estimated Resident Population at Statistical Area Level 2 (SA2), using 2021 Census share within overlapping SA2 regions. Where Census data is unavailable, area overlap is used instead.
The dashed chart line is a simple growth-trend estimate to June 2030 (~1,450), extrapolated at +0.9% average annual growth since 2011. It is illustrative only — not an official ABS forecast.
2021 Census figures
2021 Census
- Population
- 1,264
- Median age
- 40
- Median household income / week
- $2,006
- Dwelling vacancy
- 6%
- Unoccupied private dwellings
- 31 of 516
- Median monthly mortgage
- $2,184
- Employment rate
- 68.1%
- Dwelling mix (houses / semi / flats)
- 373 / 62 / 49
Contributes to desirability score · Community (5%)
Employment, household income and age diversity (2021 Census)
Data sources & freshness
- 2021 Census — General Community Profile — Australian Bureau of Statistics · Updated
The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.
- Estimated Resident Population — Australian Bureau of Statistics · 2025 · Updated · SA2 ERP allocated to suburb boundaries
Community & culture
No 2021 Census cultural diversity data for this suburb yet.
Data sources & freshness
- 2021 Census — General Community Profile — Australian Bureau of Statistics · Updated
The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.
Crime & safety
Reported offences decreased compared with the previous period.
Offence counts & rates
- Total offences (2024–25)
- 85
- Against the person
- 3
- Against property
- 82
- Rate per 1,000 residents
- 62.1
- Person-crime prevalence
- About 1 in 421 residents
- State safety percentile
- 72.5th (lower crime is better)
- Family & domestic abuse offences
- 39
- Decrease (daily rate)
- -3.1%
Most common offence types
- Other Property Damage And Environmental7
- Other Theft36
- Sct - Residence8
- Theft From Motor Vehicle5
- Theft From Shop10
Contributes to desirability score · Safety (18%)
Crime rate and year-on-year trend
Data sources & freshness
- SAPOL reported crime statistics — South Australia Police — OpenData · 2023-24 → 2024-25; 2024-25 · Updated · Financial-year releases
Family & Lifestyle
Schools & preschools
- Schools within 2 km
- 2 (2 schools, 1 preschools)
- Median school ICSEA (11 schools)
- 1,108
- Median ICSEA percentile
- 86th
School list
- Trinity Gardens SchoolPrimary · Government · ICSEA 1103 · 85th percentile · LBOTE 35% · 695 students · Top SEA quarter 43% · 0.4 km awayView on My School →
- St Joseph's SchoolPrimary · Catholic · ICSEA 1092 · 82th percentile · LBOTE 22% · 494 students · Top SEA quarter 34% · 1.1 km awayView on My School →
- Pembroke SchoolCombined · Independent · ICSEA 1171 · 98th percentile · LBOTE 29% · 1,672 students · Top SEA quarter 70% · 1.2 km awayView on My School →
- Mary MacKillop CollegeSecondary · Catholic · ICSEA 1077 · 78th percentile · LBOTE 30% · 291 students · Top SEA quarter 29% · 1.3 km awayView on My School →
- St Joseph's Memorial SchoolPrimary · Catholic · ICSEA 1108 · 86th percentile · LBOTE 33% · 192 students · Top SEA quarter 43% · 1.4 km awayView on My School →
- Marryatville Primary SchoolPrimary · Government · ICSEA 1127 · 91th percentile · LBOTE 47% · 506 students · Top SEA quarter 52% · 1.5 km awayView on My School →
- East Adelaide SchoolPrimary · Government · ICSEA 1117 · 88th percentile · LBOTE 27% · 495 students · Top SEA quarter 46% · 1.7 km awayView on My School →
- Norwood Primary SchoolPrimary · Government · ICSEA 1148 · 95th percentile · LBOTE 42% · 361 students · Top SEA quarter 60% · 1.7 km awayView on My School →
- Loreto CollegeCombined · Catholic · ICSEA 1098 · 84th percentile · LBOTE 14% · 717 students · Top SEA quarter 44% · 1.8 km awayView on My School →
- Marryatville High SchoolSecondary · Government · ICSEA 1120 · 89th percentile · LBOTE 43% · 1,759 students · Top SEA quarter 48% · 2.0 km awayView on My School →
Contributes to desirability score · Education (15%)
School and preschool counts, median school ICSEA
Data sources & freshness
- Government education sites register — Government of South Australia · current · Updated
- School ICSEA (ACARA) — Australian Curriculum, Assessment and Reporting Authority · 2025 · Updated · Annual release
Public transport
5 public transport stops in this suburb
- Stop 10 Magill Rd - North side
- Stop 143 Portrush Rd - East side
- Stop 8A Portrush Rd - East side
- Stop 9 Magill Rd - North side
- Stop 9 Portrush Rd / Jones Ave - East side
Contributes to desirability score · Accessibility (15%)
Public transport stop coverage
Data sources & freshness
- Adelaide Metro GTFS stops — Department for Infrastructure and Transport (SA) · current · Updated
Amenities
54 nearby amenities within ~1.5 km
1 cafes · 1 pharmacies · 2 fast food · 1 places of worship · 1 playgrounds · 1 petrol stations
Local character & venue list
Local character
- Limited walkable amenities nearby
- Decent local green space — 1 parks in suburb, 1 playgrounds nearby
- Walkability proxy
- 29/100
- Cafés per 1,000 residents
- 0.79
- Food & drink per 1,000 residents
- 2.37
- Parks per 1,000 residents
- 0.79
Food & drink(3)
- Artisian Affair CafeCafe
- Fast food
- McDonald'sFast food
Magill Road
Shopping(2)
- OTRConvenience store
257 Magill Road, Trinity Gardens
Community(1)
- Trinity Gardens PrimarySchool
Health & services(1)
- Trinity Gardens PharmacyPharmacy
Sport & outdoors(3)
- Kosters ParkPark
- Playground
- Sports field
Transport(5)
5 bus stops
Other(15)
- Bbq
- Bicycle Parking (2)
- CastleCar
- Adelaide Exclusive MechanicalCar repair
- Drinking water
- SpotlightFabric
214-216 Portrush Road
- Parking (24)
- OTR Trinity GardensPetrol station
- Trinity Gardens Seventh Day Adventist ChurchPlace of worship
- Kennards HirePlant Hire
170 Portrush Road, Trinity Gardens
- Public Bookcase (2)
- Public toilets
- Shelter
- OfficeworksStationery
210-212 Portrush Road, Trinity Gardens
- Waste Basket
Names and addresses from OpenStreetMap. Unnamed venues show as their type (e.g. Cafe). Transport stops are summarised by type rather than listed individually.
Contributes to desirability score · Lifestyle (15%)
Food, shopping, recreation and sport (OpenStreetMap)
Data sources & freshness
- Local amenity insights — Suburb Guide (derived) · current · Updated
- OpenStreetMap amenities — OpenStreetMap contributors · current · Updated
Green cover
- Parks & woodland (OSM)
- 1
- Parks (OSM)
- 1
OpenStreetMap parks and natural woodland features mapped within the suburb boundary.
Contributes to desirability score · Environment (10%)
Parks and green cover (OpenStreetMap)
Data sources & freshness
- OpenStreetMap green cover — OpenStreetMap contributors · current · Updated
Places of worship
1 places of worship within ~1.5 km
- Trinity Gardens Seventh Day Adventist Church
From OpenStreetMap within ~1.5 km of the suburb centre.
Data sources & freshness
- OpenStreetMap amenities — OpenStreetMap contributors · current · Updated
Health access
- Nearest hospital
- Norwood Day Surgery (1.4 km)
- Nearest hospital type
- Private Day Only Hospital
- Nearest hospital emergency
- No emergency department listed
Contributes to desirability score · Accessibility (15%)
Hospitals and GP clinics
Data sources & freshness
- Hospitals & GP Plus clinics (SA) — SA Health · current · Updated
NDIS participation
- NDIS participants (31 March 2026)
- 31
- Participants per 1,000 residents
- 22.7
Active NDIS participants allocated from NDIA Statistical Area Level 2 (SA2, ASGS 2016) counts to this suburb boundary. Not an official suburb-level NDIS figure · as at 31 March 2026.
For NDIS spend and service-demand exploration by SA2 or postcode, see the Care Sector Demand Map.
Data sources & freshness
- NDIS participants by SA2 — National Disability Insurance Agency · 2026-Q1 · Updated · Quarterly SA2 counts allocated to suburb boundaries
Weather
Typical conditions by season for suburbs in the same ~44 km climate area. Rainfall totals are summed from monthly WorldClim layers; rainy-day counts are approximate.
Summer (Dec–Feb)
- Usual max / min
- 29° / 14°
- Rainfall
- 67 mm · ~8 rainy days
Autumn (Mar–May)
- Usual max / min
- 23° / 10°
- Rainfall
- 97 mm · ~12 rainy days
Winter (Jun–Aug)
- Usual max / min
- 16° / 6°
- Rainfall
- 148 mm · ~18 rainy days
Spring (Sep–Nov)
- Usual max / min
- 22° / 9°
- Rainfall
- 119 mm · ~15 rainy days
Contributes to desirability score · Lifestyle (15%)
Temperature and humidity comfort
Data sources & freshness
- Seasonal climate normals — WorldClim 2.1 · Updated
Future & Planning
Planning & development
Development applications from PlanSA register and EPA licensed activities.
2026· 16 proposals
July 2026
- Construction of three 2 storey detached dwellings in a terrace arrangement and associated fencing.323 MAGILL RD TRINITY GARDENS SA 5068Under Assessment
- Partial demolition of existing lean-to and new dwelling addition6 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
- Dwelling Addition3 AVONMORE AV TRINITY GARDENS SA 5068Under Assessment
June 2026
- front fence and sliding gate7 LECHFIELD CR TRINITY GARDENS SA 5068Under Assessment
May 2026
- Ancillary accommodation and alterations to existing dwelling5 HEREFORD AV TRINITY GARDENS SA 5068Under Assessment
- Carport61 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
- Construction of an LED billboard sign (above existing pylon sign) and partial change of use to include third-party advertising164 -168 PORTRUSH RD TRINITY GARDENS SA 5068Under Assessment
- Two Semi-detached Dwellings and associated fencing44 AVONMORE AV TRINITY GARDENS SA 5068Under Assessment
April 2026
- Partial demolition and expansion of existing garage Extension of existing verandah18 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
- Proposed Alteration & Addition152 ASHBROOK AV TRINITY GARDENS SA 5068Decision Made
March 2026
- The removal of a Significant Tree (Eucalyptus Sideroxylon) in Council Reserve24 -32 AVONMORE AV TRINITY GARDENS SA 5068Decision Made
- Concrete Swimming pool55 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
February 2026
- Ancillary accommodation and alterations to the existing garage18 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
- removal of two regulated trees6 AMHERST AV TRINITY GARDENS SA 5068Decision Made
- Outbuilding (shed)54 AVELAND AV TRINITY GARDENS SA 5068Decision Made
January 2026
- verandah18 AMHERST AV TRINITY GARDENS SA 5068Decision Made
2025· 18 proposals
December 2025
- In-ground swimming pool & associated safety features40 AVONMORE AV TRINITY GARDENS SA 5068Under Assessment
October 2025
- Removal of a significant tree5 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
- Two-storey dwelling addition, including partial demolition of existing dwelling, internal alterations and construction of a carport5 LECHFIELD CR TRINITY GARDENS SA 5068Under Assessment
August 2025
- Boundary realignment reflecting existing fence line4 AVELAND AV TRINITY GARDENS SA 5068;6 AVELAND AV TRINITY GARDENS SA 5068Decision Made
- masonry front fence10 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
July 2025
- Dwelling alterations, deck & verandah with attached screening, replacement front verandah, ancillary accommodation building and retrospective removal of a regulated SA Blue Gum tree (Eucalyptus leucoxylon)61 CANTERBURY AV TRINITY GARDENS SA 5068Under Assessment
June 2025
- Carport63 ANNESLEY AV TRINITY GARDENS SA 5068Decision Made
May 2025
- Construction of a single-storey detached dwelling and removal of a regulated tree101 ASHBROOK AV TRINITY GARDENS SA 5068Decision Made
- Construction of a single storey detached dwelling with a masonry front fence and swimming pool with associated pump room and safety fencing9 AVELAND AV TRINITY GARDENS SA 5068Decision Made
- Removal of one (1) regulated tree116B ASHBROOK AV TRINITY GARDENS SA 5068Decision Made
- Construction of a pair of two-storey semi-detached dwellings10 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
April 2025
- Building alteration (removal of entry structure) with new signage comprising seven (7) signs attached to a building, one (1) sign attached to internal fencing, one (1) freestanding directional sign and one (1) illuminated freestanding pylon sign1 ALBERMARLE AV TRINITY GARDENS SA 5068;190 PORTRUSH RD TRINITY GARDENS SA 5068;21 AMHERST AV TRINITY GARDENS SA 5068;27 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
- Concrete swimming pool61 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
March 2025
- Verandah50 ANNESLEY AV TRINITY GARDENS SA 5068Decision Made
- Variation to development authorisation 24014593 comprising a reduction in the front setback by 1 metre43 AVONMORE AV TRINITY GARDENS SA 5068Decision Made
February 2025
- In-ground swimming pool and associated safety features64 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
- Change of use of building approved as part of Development Application 24015848 to a 24/7 fitness centre with associated signage and the construction of a mezzanine level164 PORTRUSH RD TRINITY GARDENS SA 5068;166 PORTRUSH RD TRINITY GARDENS SA 5068;UNIT 1-4 168 PORTRUSH RD TRINITY GARDENS SA 5068Decision Made
January 2025
- Upgrade of building façade, internal building alterations, and construction of new canopies/verandahs1 ALBERMARLE AV TRINITY GARDENS SA 5068;190 PORTRUSH RD TRINITY GARDENS SA 5068;21 AMHERST AV TRINITY GARDENS SA 5068;27 AMHERST AV TRINITY GARDENS SA 5068Decision Made
2024· 6 proposals
December 2024
- Outbuilding35 AVELAND AV TRINITY GARDENS SA 5068Under Assessment
- Removal of one (1) regulated tree and one (1) significant tree55 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
- dwelling additions41A AMHERST AV TRINITY GARDENS SA 5068Decision Made
November 2024
- Two-storey detached dwelling28 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
October 2024
- Swimming pool and associated safety features47 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
- Variation to Development Authorisation 23021334 comprising changes to approved signs and the addition of a new sign45 -47 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
Contributes to desirability score · Future Growth (7%)
Development and planning activity
Data sources & freshness
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · 2026 · Updated
Heritage
6 heritage places
- Devitt Avenue School156-160 Portrush Road (corner Devitt Avenue) TRINITY GARDENSLocal heritage
- Dwelling21 Albermarle Avenue TRINITY GARDENSLocal heritage
- Dwelling23 Albermarle Avenue TRINITY GARDENSLocal heritage
- Dwelling19 Albermarle Avenue TRINITY GARDENSLocal heritage
- Dwelling39 Avonmore Avenue TRINITY GARDENSLocal heritage
- Koster Park (formerly Kosters Pottery)Ashbrook Avenue TRINITY GARDENSLocal heritage
Data sources & freshness
- SA Heritage Places database — Department for Environment and Water (SA) · current · Updated
Hazards
- Bushfire planning zone
- No overlay at centroid
Bushfire overlay checked at suburb centroid against all current SA Planning risk layers (high, medium, general, urban interface, regional, outback). Safer places from CFS designated locations.
Contributes to desirability score · Safety (18%)
Bushfire hazard overlays
Data sources & freshness
- Bushfire & hazard overlays (SA) — Government of South Australia · current · Updated
Politics & representation
- Federal electorate
- Sturt
- Member of Parliament
- Claire CLUTTERHAM (Australian Labor Party)
- Results from
- 2025 federal election
- Electorate enrolment (2025)
- 130,300
- Turnout (2025)
- 93.0%
- Swing since 2022 (2025)
- +7.1 pp toward Labor
Two-party preferred (2025)
Coalition 43.4%Labor 56.6%
Estimated suburb voting profile
Estimated from 8 nearby ordinary polling places (up to 1.9 km away).
Coalition 36.4%Labor 63.6%
7.0 percentage points more Labor-leaning than the electorate
Estimated swing since 2022: +9.2 pp toward Labor
Nearest polling places
- Trinity GardensLabor 65.8% · Coalition 34.2% TPP (2025)0.5 km away
- MaylandsLabor 65.7% · Coalition 34.3% TPP (2025)0.8 km away
- Kensington ParkLabor 56.8% · Coalition 43.2% TPP (2025)1.2 km away
- NorwoodLabor 59.5% · Coalition 40.5% TPP (2025)1.4 km away
- Norwood WestLabor 61.9% · Coalition 38.1% TPP (2025)1.5 km away
Federal electorate from AEC federal division boundaries (2025 redistribution). Division-level results are official AEC figures from the latest general election, with by-election updates where applicable. The estimated suburb profile blends up to eight nearest ordinary polling booths in the same electorate using inverse-distance weighting from the suburb centroid — an approximation, not official AEC data. Nearest polling places are shown for reference.
Data sources & freshness
- Federal election results — Australian Electoral Commission · Updated · 2025 election with by-election overlays
Socio-economic
- IRSAD decile (2021)
- 9/10
- IRSD decile (2021)
- 8/10
ABS Socio-Economic Indexes for Areas (SEIFA), 2021 release — the latest available, derived from the 2021 Census. Deciles rank suburbs nationally from 1 (lowest) to 10 (highest).
What do IRSAD and IRSD measure?
IRSAD — Index of Relative Socio-economic Advantage and Disadvantage. Combines indicators of advantage (e.g. high income, skilled occupations) and disadvantage. Higher decile = more advantaged relative to other Australian areas.
IRSD — Index of Relative Socio-economic Disadvantage. Focuses on disadvantage only (e.g. low income, unemployment, limited education). Higher decile = less disadvantage nationally.
A new SEIFA edition typically follows each census; the ABS has not announced a release date beyond 2021.
Contributes to desirability score · Community (5%)
Socio-economic advantage (IRSAD decile)
Data sources & freshness
- SEIFA 2021 (IRSAD / IRSD) — Australian Bureau of Statistics · Updated
Compare with
Similar suburbs to weigh up side by side — scores, safety, schools, and lifestyle.
More in Norwood Payneham and St Peters Council
Other suburbs in the same local government area.
Comparable suburbs
Similar population and socio-economic profile in other parts of South Australia.