Trinity Gardens at a glance
Median house
$1,606,300
-2.6% year on year
Median unit
$316,800
Walk score
76
Very walkable
Population
1,264
Median age 40
The brief
What to know about Trinity Gardens.
The postcode for Trinity Gardens is 5068 (SA), part of Greater Adelaide.
The median house price in Trinity Gardens is $1,606,300.
Trinity Gardens (5068) sits in the Norwood Payneham and St Peters region of South Australia. The median house here is $1,606,300, well above the South Australia median of around $720K. Prices have moved -2.6% over the past year, well behind the South Australia average (5%).
Trinity Gardens has roughly 1,264 residents, with a typical family-age mix. Households are mostly owner-occupied. Day-to-day life here is very walkable, with most errands manageable on foot.
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Nearby suburbs
Day to day
What it’s like to live here.
Trinity Gardens scores 76/100 on walkability, which makes it very walkable with limited public transport. Coffee, groceries and a meal out are mostly walking-distance, which keeps a household viable on one car.
Summer days here average around 28°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 448mm. Data comes from the Bureau of Meteorology's Adelaide (Kent Town) station, 11.1km away.
Schooling within or near the suburb covers 7 government primary, 3 government secondary, 6 Catholic, 3 independent.
Who lives here
Demographics.
The 2021 Census put Trinity Gardens's population at 1,264, with a median age of 40. That sits as a typical family-age mix. Households are mostly owner-occupied (72% own, 26% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (73% family households, 24% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
1,264
Median age
40
Family households
73%
Lone person
24%
Demographics data as of May 2026· ABS 2021 Census
Houses change hands at $1,606,300 on a typical sale, well above the South Australia median. Units come in around $316,800, roughly 80% below the house median. The 12-month picture shows a softening market (-2.6%), giving buyers more room to negotiate.
For buyers
A 20% deposit on the median house works out to roughly $321,000. Prices sit well above the South Australia median, so plan for a stretched deposit and shop carefully on borrowing capacity.
For sellers
With 12-month growth at -2.6%, pricing should anchor to the most recent six months of comparables, not last year's peak.
Market
The price of a home here.
Median house price
$1,606,300
-2.6% over the past year. Median unit price $316,800.
Sales data as of July 2026· sales-sa
Rental and ownership
Weekly rent (house)
$777/wk
Weekly rent (unit)
$572/wk
Owner occupied
72%
Renter occupied
26%
At a deeper level
$1,606,300
-2.6% annual growth
$316,800
1,264
Median age: 40
Rental data as of March 2026· rental-sa
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For investors
Investment overview.
Gross rental yield on houses sits at 2.52% (median rent $777/wk against a $1,606,300 price tag). Units yield 9.39% gross, often the better cash-flow play for first-time investors. Renter share is modest (26%), so the rental pool is smaller and tenant demand can be patchier than in higher-density suburbs.
Gross Yield (House)
Source: data.sa.gov.au · July 20262.52%
Based on $1,606,300 median
Gross Yield (Unit)
Source: data.sa.gov.au · July 20269.39%
Based on $316,800 median
Annual Growth (House)
Source: data.sa.gov.au · July 2026-2.6%
Year-on-year capital growth
Annual Growth (Unit)
Source: data.sa.gov.au · July 2026–
Year-on-year capital growth
Owner Occupancy
Source: ABS Census 2021 · May 202672%
Higher = more owner-occupier demand
Days on Market
Source: data.sa.gov.au · July 2026–
Lower = higher buyer demand
Gross rental yield is annual rent divided by purchase price, before expenses. It does not account for vacancy rates, management fees, maintenance, or financing costs. Use this as a starting point for further research.
5-year trajectory
at -2.6%/yr
2021
$1.8M
5-year change
-12%
2026
$1.6M
Trajectory derived from the current median compounded at the suburb’s annual growth rate, not raw sale-by-sale history.
Safety
Crime and safety.
52
total offences in 2025-26
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of June 2026· State Police Open Data
Getting around
Walkability.
76
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in Trinity Gardens.
Local schools for Trinity Gardens
View the catchment for each school to find out more.
Government School Catchment
Trinity Gardens School
Marryatville Primary School
East Adelaide School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
448 mm
Hottest Month (avg max)
28.0°C
Coldest Month (avg min)
7.0°C
Monthly Rainfall (mm)
Weather data from BOM station Adelaide (Kent Town) (11 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Trinity Gardens.
- What is the median house price in Trinity Gardens?
- The median house price in Trinity Gardens, SA 5068 is $1,606,300. The median unit price is $316,800. Annual growth is -2.6%.
- What is the Trinity Gardens postcode?
- Trinity Gardens is in the 5068 postcode, in SA, in the Norwood Payneham and St Peters region.
- Where is Trinity Gardens?
- Trinity Gardens is a suburb of Adelaide, in SA 5068. It is part of the Greater Adelaide area, in the Norwood Payneham and St Peters region.
- What is the average rent in Trinity Gardens?
- The median weekly rent for houses is $777, for units it's $572.
- What schools are in Trinity Gardens?
- There are 20 schools serving Trinity Gardens on this page, including Trinity Gardens School, St Joseph's School, Pembroke School.
- How walkable is Trinity Gardens?
- Trinity Gardens has a Walk Score of 76 out of 100, very walkable. transit score 0, bike score 100.
- What suburbs are near Trinity Gardens?
- Trinity Gardens is close to Maylands, Payneham South, St Morris, Beulah Park, Firle.
- What is the population of Trinity Gardens?
- The population of Trinity Gardens is approximately 1,264 (2021 Census). The median age is 40.
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Surrounding Suburbs
Side by side
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
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