Trinity Gardens SA 5068
Trinity Gardens sits 6 km from Adelaide CBD in South Australia, around 12 minutes by car. Census data records 1,264 residents with a median age of 40 and a median household income of $104,312 per year. On socioeconomic measures it sits in the top 20% nationally. Population grew 2.4% from 2016 to 2021. The 2021 Census recorded a median rent of $375 per week and a median monthly mortgage of $2,184. The area shows high flood risk and high crime risk. 1 school sits within the suburb boundary, and walkability is high.
Is Trinity Gardens a good suburb?
Trinity Gardens scores a B (65/100) on SuburbScan's Liveability grade — strong on transit and community, weaker on safety.
Mixed results
1 school
Walkable and central
Walkability 78/100 · 5.5 km · 12 min drive to Adelaide
Around the state median
Median $1.76M · Pricier than 81% of SA
High crime risk
Fire 0/100 · Crime 71/100 · Flood 79/100
Very advantaged
SEIFA decile 9/10 · median age 40 · 1,264 residents
Liveability Rating
65 / 100 · Ranked #114 in SAEach bar is Trinity Gardens's rank among SA suburbs, from 0 to 100 (higher is better). Scored on 4 of 5 factors: no school data, so the other factors carry its weight.
How do you rate the liveability in Trinity Gardens?
Local knowledge beats any dataset. Rate it and see what other residents think.
Our score
65 / 100
From schools, safety and socio-economic data — not opinion.
Residents say
…
Median House Price
Public listings dataTrinity Gardens's house market is moving higher: the median sale price reached $1.76 million, about 9% above where it sat a year earlier.
Houses
$1,756,000
16% above its 8 neighbours (median $1,510,000)
Based on 20 recorded sales in the last 24 months.
Typically sold in 16 days — median across 6 sales that recorded a listing period
By bedrooms
- 3 bed 10 sales $1.76M
Units
$698,500
Based on only 8 sales — small sample, take as indicative.
By bedrooms
- 2 bed 7 sales $687K
Rental Market
Advertised rents · last 6 monthsHouses in Trinity Gardens rent for around $700 a week on average, based on 5 houses listed for rent in the past six months.
$700/wk
5 houses advertised for rent in the last 6 months.
6 rentals advertised against an estimated 129 rented homes (4.7%) in the last 6 months.
Rental affordability
June quarter 2025102 Moderately unaffordable · the average rental household in this region would pay about 29% of its income on the median rent in postcode 5068.
SGS Rental Affordability Index: a score of 100 means rent takes 30% of income, the usual housing-stress line; lower scores are less affordable. "Region" is the capital city or the rest of the state.
Is Trinity Gardens safe? Crime statistics
2026Crime in Trinity Gardens sits in the high band, with 70 incidents recorded in 2026 — down roughly 17% on the prior year.
70 offences
16.7% since 2025Crime Trend
Serious Road Crashes
2021–2025No crash in Trinity Gardens killed anyone or put anyone in hospital in 2021–2025.
Crashes are counted where they happened, so a main road through the suburb carries people passing through; this is not a measure of risk to residents. This state’s crash data does not name the road.
Schools
One school serve Trinity Gardens, and performance is broadly on par with peer-suburb schools.
- • 695 students in one school (avg 695)
Primary
Universities nearby
- 2.8 kmAdelaide University, Magill CampusAdelaide University · 112 courses
- 4.4 kmAdelaide University, Adelaide City CampusAdelaide University · 472 courses
- 4.4 kmFlinders City CampusFlinders University · 156 courses
4.3% of residents here are full-time university students aged 15–24.
Distance is measured to the suburb centre. A campus nearby does not by itself mean a student rental market — most suburbs within a few kilometres of one have a student share close to the national norm, and the figure above is what tells them apart.
Walkability
Trinity Gardens is very walkable on foot — at 78/100, most daily errands can be done on foot.
Public transport
Weekday and weekend service frequency across every stop inside Trinity Gardens.
- Peak (7-9am + 5-7pm)
- 35.8 arrivals/hr
- Off-peak weekday
- 20.1 arrivals/hr
- Saturday
- 10.6 arrivals/hr
- Median peak wait
- 1 min
- Span of service
- 18.6 hours
Scheduled service only, based on the 21 October 2026 timetable. Reliability (delays, cancellations) not measured.
NBN connectivity
The internet access technology available across NBN premises in Trinity Gardens.
- Full-fibre (FTTP) share
- 1%
- Premises covered
- 582
NBN Co fixed-line and fixed-wireless premises, as at 30 December 2025. Higher-quality technologies (full fibre) score above copper, wireless, and satellite. Actual speeds depend on your plan.
Amenities
Norwood Payneham and St Peters: council population
The three add up to the change above. These are council-wide figures from the ABS, not figures for this suburb alone — this suburb's own population is in the census section above.
Socio-economic profile
Trinity Gardens is home to about 1,300 residents, with a median age of 40, broadly in line with the national figure. Median household income runs at $104,000 a year, with unemployment at 3.3%.
2021 Census · change since 2016
Population
1,264
Median Age
40
Median Household Income
$104,312/yr
Census Median Rent
$375/wk
Census Median Mortgage
$2,184/mo
Avg Household Size
2.6
Median Personal Income
$47,996/yr
Unemployment Rate
3.3%
Unoccupied Dwellings
6.4%
Total Dwellings
482
Owner-Occupier Rate
73.2%
Houses
77.4%
Rental Stress
18.7%
Mortgage Stress
25.1%
Work From Home
12.6%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 71.2%
- English Spoken at Home
- 70.8%
- Employment Rate
- 68.1%
- Completed Year 12
- 55.5%
Occupations
Religion
Country of Birth (overseas)
Largest overseas birthplaces, as a share of all residents.
When They Arrived
Share of all residents by the year they arrived in Australia. Periods cover different numbers of years, so compare the shape rather than the bar widths.
88 residents (7.0%) arrived since 2016. Australia’s borders were closed to most arrivals from March 2020, so the last two years of that period are much smaller than the ones before them — nationally 260,799 people arrived in 2019 against 28,521 in 2021.
Where New Residents Came From
Where residents aged five and over lived five years before the 2021 Census, for those who lived somewhere else.
Top places newcomers came from, as a share of the 1,202 residents aged five and over. Areas are ABS statistical regions. Small counts are approximate: the ABS adjusts every figure slightly to protect privacy.
Languages Spoken at Home
Top languages other than English, as a share of all residents.
Age Distribution
Family & Household Composition
Commute to Work
29% of employed residents work in a capital's city centre (203 of 710).
City centre: the ABS area around each capital's CBD, such as Sydney Inner City or Perth City (which takes in Subiaco and Leederville). 2021 Census place of work.
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $1,995 a year through Norwood Payneham and St Peters based on 2024 figures.
How this land is zoned
- Residential 78%
- Infrastructure and transport 9%
- Commercial 7%
- Industrial 6%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it — the property page shows the zone for one address.
Building Approvals: Norwood Payneham and St Peters
In the year to August 2026, 227 new dwellings were approved across Norwood Payneham and St Peters. That mix is 121 houses and 106 units. Approvals are up 141.4% on the same period a year earlier.
Air Quality
MODERATEPM2.5 averaged 6 µg/m³ in 2025 — below Australia's NEPM annual standard (8 µg/m³), slightly above the stricter WHO guideline (5 µg/m³).
PM10 averaged 17.8 µg/m³ · NO₂ averaged 1.12 pphm. Days over the limit in 2025: PM10 0 · NO₂ 0.
From the Adelaide CBD monitoring station, 4.4 km away.
Climate & Setting
from Adelaide (West Terrace / Ngayirdapira), 5.8 kmDry climate — hot summers, mild winters.
- Elevation
- 66 m
- above sea level, at the suburb centre
- Distance to the ocean
- 13.6 km
- Annual rainfall
- 457 mm
- 77 rainy days
- Summer max (Jan)
- 29.1°C
- 21 days ≥ 35°C
- Winter min (Jul)
- 8.5°C
- 0 frost days ≤ 0°C
Elevation is the ground at the suburb centre, from Geoscience Australia's National Digital Elevation Model. Approximate — it reads high in dense built-up areas. It is a measure of height above sea level and not an indicator of flood risk, which depends on height above nearby waterways.
Industrial Emissions Nearby
4 facilities within 5 km- 3.3 kmWine and Other Alcoholic Beverage ManufacturingTop reported: Total Volatile Organic Compounds · Ethanol
- 3.8 kmHigher EducationTop reported: Oxides of Nitrogen · Carbon monoxide · Particulate Matter ≤2.5 µm (PM2.5)
- 4.1 kmHospitals (Except Psychiatric Hospitals)Top reported: Carbon monoxide · Oxides of Nitrogen · Particulate Matter ≤10.0 µm (PM10)
- 4.4 kmOther Non-Metallic Mineral Mining and QuarryingTop reported: Particulate Matter ≤10.0 µm (PM10) · Oxides of Nitrogen · Carbon monoxide
EV adoption
In postcode 5068, 184 of 9,878 registered light vehicles are battery-electric on 31 January 2025. A further 3.4% (335 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 5.3%.
Rooftop solar
In postcode 5068, 2,598 rooftop-solar systems totalling 19.2 MW have been installed since 2001, against 5,720 dwellings recorded in the 2021 Census. 191 went up in the last year.
Counts every system certified since 2001, so a roof re-fitted with a newer system is counted twice, and small commercial systems are included alongside houses — useful for comparing postcodes, not an estimate of how many homes have working panels today.
2026 covers part of the year only, to 2026-07.
First Home Owner Grant
FY2026-27$15,000 for new homes.
No purchase-price cap. Stamp duty is fully exempted for eligible first-home buyers as a separate concession.
Mortgage repayments
1 mortgage broker is registered in this suburb, 11 across postcode 5068.
Conveyance duty at the owner-occupier rate, and it excludes first home buyer concessions — those can cut it substantially or remove it entirely. Excludes legal, inspection and lender fees. Check with RevenueSA
A deposit under 20% usually attracts Lenders Mortgage Insurance, which this doesn't include.
Principal and interest over 30 years, fixed rate. Excludes fees, offset, redraw and LMI. Default rate is the median comparison rate across 1788 advertised products as at 2026-10-27 — indicative only, and not an offer. Your rate depends on the lender, your deposit and your circumstances. Not financial advice.
Federal Electorate
Currently held by Claire Clutterham Australian Labor Party
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Claire Clutterham | 56.6% | 43.4% | +7.1 |
| 2022 | James Stevens | 49.5% | 50.5% | -6.4 |
| 2019 | James Stevens | 43.1% | 56.9% | +1.5 |
Results are per division — federal electoral boundaries are redrawn periodically, so the history reflects this division's past, not necessarily the exact suburb's voters across time.
State Electorate
Currently held by Cressida O'Hanlon Australian Labor Party
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Cressida O'Hanlon ALP | 58.1% |
| 2022 | Steven Marshall LP | 50.5% |
Results are per district. Districts were last redrawn in 2024, so results from before then describe the district of that name, not necessarily this suburb's voters. Results: Electoral Commission of South Australia.
Looking at a specific address in Trinity Gardens?
Every figure above is a suburb average, and an average smooths over the difference between a street of family homes and a block of flats. Look up one address and you get the census for the few hundred people around it, its own nearest schools and stops, and what the state has mapped for that block.
- The census for a few hundred neighbours, not all 1,264 residents
- Nearest and zoned schools, with the walk from that door
- Flood, bushfire and noise mapping, where the state publishes it
Free to look up. Subscribers see every section in full — $29/month.
Checking the whole city?
Suburbs to avoid in Adelaide There is no list of bad suburbs, but there are hazards the state measures and publishes — recorded crime, bushfire exposure, flood overlays and aircraft noise. Adelaide suburbs ranked on them, with what the numbers do and don't mean.Nearby suburbs
Norwood SA 5067
Kensington Park SA 5068
Payneham South SA 5070
Beulah Park SA 5067
St Morris SA 5068
Firle SA 5070
Compare Trinity Gardens to another suburb
Side-by-side stats for any other SA suburb — type a name and pick one.
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Common questions about Trinity Gardens
Is Trinity Gardens a safe place to live?
Recorded crime in Trinity Gardens is high (71/100, ranked against other SA suburbs on offences per resident). Offences against shops, venues and visitors are divided by the people who live here, so suburbs with large daytime or visitor populations rank higher than living there may feel.
What natural hazards affect Trinity Gardens?
Trinity Gardens has no recorded bushfire history. Flood overlays cover a high share of it (79/100). These are suburb-wide figures; check the address, as flood and bushfire exposure change street by street.
Is Trinity Gardens a good place to live?
Trinity Gardens has a SuburbScan Liveability grade of B (65/100), ranked against other SA suburbs on school quality (25%), safety (25%), SEIFA socio-economic advantage (25%), walkability (15%) and CBD access (10%). Whether it suits you depends on what you weigh — each of those is on this page.
What is the population of Trinity Gardens?
Trinity Gardens, SA had a population of 1,264 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Trinity Gardens, SA?
The postcode for Trinity Gardens, SA is 5068.
How far is Trinity Gardens from Adelaide?
Trinity Gardens is 6 km from Adelaide CBD by road, about 12 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Trinity Gardens?
At the 2021 ABS Census, median household income in Trinity Gardens was $104,312 a year. It is the most recent suburb-level income figure until 2026 Census results are released in 2027.
What is the median weekly rent in Trinity Gardens?
The median advertised rent in Trinity Gardens is $700 a week for houses (5 listings), from rental listings over the last six months.
What is the median age in Trinity Gardens?
The median age of residents in Trinity Gardens was 40 at the 2021 ABS Census.
How are the schools in Trinity Gardens?
There is 1 school inside the Trinity Gardens boundary: 1 at similar schools on NAPLAN, compared with same-state, same-type schools of similar socio-educational advantage (ICSEA).
Is Trinity Gardens walkable?
Trinity Gardens scores 78/100 on the SuburbScan Walkability Score, making it very walkable. The score is a weighted average of public transport, schools, parks, supermarkets, GPs, pharmacies, childcare, and hospitals within walking distance.
What is the air quality in Trinity Gardens?
The nearest government air-quality monitoring station to Trinity Gardens (Adelaide CBD) recorded a 2025 annual mean PM2.5 of 6.0 µg/m³ and PM10 of 17.8 µg/m³. That puts Trinity Gardens below the Australian NEPM annual standard of 8 µg/m³ but above the stricter WHO guideline of 5 µg/m³.
What is the weather like in Trinity Gardens?
At the nearest Bureau of Meteorology station to Trinity Gardens, Adelaide (West Terrace / Ngayirdapira) (5.8 km away), summer days average 29.1°C, winter nights 8.5°C, 457 mm of rain a year over 77 rainy days, and 21 days a year above 35°C over 2006-2026.
Is the First Home Owner Grant available in Trinity Gardens?
First-home buyers in SA may be eligible for $15,000 towards new homes. The grant is administered by RevenueSA; confirm current eligibility before signing a contract — state rules and amounts can change.
What council does Trinity Gardens belong to?
Trinity Gardens sits within the Norwood Payneham and St Peters local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in Trinity Gardens?
The average residential rates bill through Norwood Payneham and St Peters is $1,995 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near Trinity Gardens?
Across Norwood Payneham and St Peters, 227 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's up 141.4% on the same period a year earlier. These are LGA-level totals — every suburb in the council shares the same figure.
Which federal electorate is Trinity Gardens in?
Trinity Gardens sits within the federal Division of Sturt, currently held by Claire Clutterham (Australian Labor Party).
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Data freshness
- Census · 2021
- Median sale prices · Oct 2026
- For-sale & rental market · Oct 2026
- Council rates · FY 2024–25
- Building approvals · Aug 2026
- Schools · 2025
- Public transport · Oct 2026
- NBN connectivity · Dec 2025
- Crime · 2026
- Road crashes · 2021–2025
- Air quality · 2025
- Climate · 2006–2026
- Socio-economic (SEIFA) · 2021
- EV adoption · Jan 2025
- First Home Owner Grant · Sep 2026
- Federal electorate · 2025
- State electorate · 2026
- Amenities · Sep 2026
- Health & emergency facilities · Sep 2026
- Industrial emissions (NPI) · 2024/2025
- Coastal erosion · 1988–2025
- Aircraft noise · 2024
Vintages show when each source's data is from. See all data sources.
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.