Illawarra VIC

Postcode 3381 · Northern Grampians LGA

Illawarra is a quiet locality in Victoria within the Northern Grampians local government area (postcode 3381). With a population of 80, the suburb has an established demographic with a median age of 42. Households earn a median income of $93K per year, with an average household size of 2.5 people. The most common occupations are community & personal service, professionals, clerical & administrative. The top ancestries reported are English, Australian, Scottish.

The current median weekly rent is $320. The median monthly mortgage repayment is $1,083.

The crime rate in the Northern Grampians LGA is higher than average at 13,475 incidents per 100,000 population.

SEIFA INDEX (ABS)
Advantage4/10
Education2/10
Economic7/10
Disadvantage4/10
MEDIAN RENT /WK
$300
POPULATION
80
DEMOGRAPHICS
Median Age42
Household Size2.5
HH Income /wk$1,791
Personal Income /wk$1012
Mortgage /mth$1,083
CRIME (Northern Grampians LGA)
Crime Rate (per 100k)13,475
Total Incidents1,584
Data: Year ending Dec 2025