Theresa Park NSW

Postcode 2570 · Wollondilly LGA

Theresa Park is a small community in New South Wales within the Wollondilly local government area (postcode 2570). With a population of 600, the suburb has an established demographic with a median age of 40. Households earn a median income of $131K per year, with an average household size of 3.4 people. The most common occupations are managers, technicians & trades, clerical & administrative. The top ancestries reported are English, Australian, Maltese.

The median house price in Theresa Park is $3.4 million, having surged 42.7% over the past year. The current median weekly rent is $730. This gives a gross rental yield of approximately 1.1%. The median monthly mortgage repayment is $2,909.

Public transport access includes 9 bus stops. The crime rate in the Wollondilly LGA is low at 1,550 incidents per 100,000 population.

From an investment perspective, Theresa Park offers a gross rental yield of 1.1%, rated as low yield. Property prices are above the state median ($3.4M/$1.5M), placing it in the premium segment. The price-to-income ratio of 25.7x is considered stretched. House prices have moved +42.7% year-on-year.

INVESTMENT SIGNALS
Rental Yield1.1% Low Yield
Price vs State$3.4M/$1.5M Above Median
Affordability25.7x Stretched
Price Momentum+42.7% Rising
SEIFA INDEX (ABS)
Advantage9/10
Education6/10
Economic10/10
Disadvantage9/10
MEDIAN HOUSE
$3.4M
42.7% YoY
MEDIAN RENT /WK
$610
POPULATION
600
DEMOGRAPHICS
Median Age40
Household Size3.4
HH Income /wk$2,522
Personal Income /wk$900
Mortgage /mth$2,909
CRIME (Wollondilly LGA)
Crime Rate (per 100k)1,550
Total Incidents927
TRANSPORT
Bus Stops9
Data: 2025