Trinity Gardens SA

Postcode 5068 · Norwood Payneham and St Peters LGA

Trinity Gardens is a small community in South Australia within the Norwood Payneham and St Peters local government area (postcode 5068). With a population of 1,264, the suburb has an established demographic with a median age of 40. Households earn a median income of $104K per year, with an average household size of 2.6 people. The most common occupations are professionals, clerical & administrative, managers. The top ancestries reported are English, Italian, Australian.

The median house price in Trinity Gardens is $1.4 million, having dropped significantly 31.1% over the past year. The current median weekly rent is $605. This gives a gross rental yield of approximately 2.3%. The median monthly mortgage repayment is $2,184.

Trinity Gardens is served by 1 school, including 1 primary. The average ICSEA score is 1103, which is well above the national average of 1,000. Public transport access includes 5 bus stops. The crime rate in the Norwood Payneham and St Peters LGA is moderate at 6,725 incidents per 100,000 population.

From an investment perspective, Trinity Gardens offers a gross rental yield of 2.3%, rated as low yield. Property prices are above the state median ($1.4M/$950K), placing it in the premium segment. The price-to-income ratio of 13.2x is considered stretched. House prices have moved -31.1% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.3% Low Yield
Price vs State$1.4M/$950K Above Median
Affordability13.2x Stretched
Price Momentum-31.1% Falling
SEIFA INDEX (ABS)
Advantage8/10
Education10/10
Economic5/10
Disadvantage9/10
MEDIAN HOUSE
$1.4M
-31.1% YoY
MEDIAN RENT /WK
$375
POPULATION
1,264
DEMOGRAPHICS
Median Age40
Household Size2.6
HH Income /wk$2,006
Personal Income /wk$923
Mortgage /mth$2,184
CRIME (Norwood Payneham and St Peters LGA)
Crime Rate (per 100k)6,725
Total Incidents85
TRANSPORT
Bus Stops5
SCHOOLS (1)
Avg ICSEA1103
Total Students695
Government1
Trinity Gardens SchoolPrimary · Government · ICSEA 1103
Data: 2025-Q4