Idalia QLD

Postcode 4811 · Townsville LGA

Idalia is a smaller suburb in Queensland within the Townsville local government area (postcode 4811). With a population of 4,563, the suburb has a mix of young professionals and families with a median age of 32. Households earn a median income of $131K per year, with an average household size of 2.7 people. The most common occupations are professionals, community & personal service, managers. The top ancestries reported are English, Australian, Irish.

The current median weekly rent is $580. The median monthly mortgage repayment is $1,920.

Idalia is served by 1 school, including 1 primary. The average ICSEA score is 995, which is around the national average of 1,000. The crime rate in the Townsville LGA is higher than average at 10,770 incidents per 100,000 population.

SEIFA INDEX (ABS)
Advantage10/10
Education9/10
Economic8/10
Disadvantage10/10
MEDIAN RENT /WK
$400
POPULATION
4,563
DEMOGRAPHICS
Median Age32
Household Size2.7
HH Income /wk$2,524
Personal Income /wk$1240
Mortgage /mth$1,920
CRIME (Townsville LGA)
Crime Rate (per 100k)10,770
Total Incidents10,770
SCHOOLS (1)
Avg ICSEA995
Total Students525
Government1
Oonoonba State SchoolPrimary · Government · ICSEA 995
Data: Year ending Dec 2026