Illawong NSW

Postcode 2234 · Sutherland Shire LGA

Illawong is a mid-sized suburb in New South Wales within the Sutherland Shire local government area (postcode 2234). With a population of 7,427, the suburb has an established demographic with a median age of 44. Households earn a median income of $144K per year, with an average household size of 3.1 people. The most common occupations are professionals, managers, clerical & administrative. The top ancestries reported are English, Australian, Irish.

The median house price in Illawong is $1.9 million, having grown strongly 5.4% over the past year. Units have a median price of $1.2 million (+7.9% YoY). The current median weekly rent is $1100. This gives a gross rental yield of approximately 3.0%. The median monthly mortgage repayment is $2,976.

Illawong is served by 1 school, including 1 primary. The average ICSEA score is 1069, which is above the national average of 1,000. Public transport access includes 1 ferry wharf, 35 bus stops. The crime rate in the Sutherland Shire LGA is low at 1,782 incidents per 100,000 population.

From an investment perspective, Illawong offers a gross rental yield of 3.0%, rated as low yield. Property prices are near the state median ($1.9M/$1.5M). The price-to-income ratio of 13.2x is considered stretched. House prices have moved +5.4% year-on-year.

INVESTMENT SIGNALS
Rental Yield3.0% Low Yield
Price vs State$1.9M/$1.5M Near Median
Affordability13.2x Stretched
Price Momentum+5.4% Rising
INCOME (ATO 2022-23)
Median Income$65,466
Mean Income$87,437
Earners7,423
YoY Change+4.8%
SEIFA INDEX (ABS)
Advantage10/10
Education9/10
Economic10/10
Disadvantage10/10
MEDIAN HOUSE
$1.9M
5.4% YoY
MEDIAN UNIT
$1.2M
7.9% YoY
MEDIAN RENT /WK
$650
POPULATION
7,427
DEMOGRAPHICS
Median Age44
Household Size3.1
HH Income /wk$2,778
Personal Income /wk$985
Mortgage /mth$2,976
CRIME (Sutherland Shire LGA)
Crime Rate (per 100k)1,782
Total Incidents4,189
TRANSPORT
Bus Stops35
Ferry Wharves1
Fowler Rd At Old Ferry Rd
SCHOOLS (1)
Avg ICSEA1069
Total Students191
Government1
Illawong Public SchoolPrimary · Government · ICSEA 1069
Data: 2025