Australian Demographic Profile
Idalia, QLD 4811
Census-grade demographic profile. ABS Census 2021, adjusted to 2026.
Population
~4,595
Median age
32
Median income
High
$1,250-$1,499/wk
Top profile
High-earning
25%
Profile composition (top three)
- High-earning professionals25%
- Established partnered households21%
- Trades and technical workers16%
Full 8-profile breakdown in the suburb report.
Population overview
- Synthetic individuals
- ~4,595
- Sex split
- F 50% / M 50%
- Tertiary-qualified
- 33%
Generated from ABS Census 2021 conditionals using Bayesian reconstruction, adjusted to 2026.
Age structure
- Children (0-14)21%
- Young adults (15-24)16%
- Early career (25-39)25%
- Mid career (40-59)26%
- Senior (60+)12%
Income distribution
Median individual income bracket in Idalia: High ($1,250-$1,499/wk).
- No / not stated32%
- Low ($1-$499/wk)11%
- Mid ($500-$1.5k)29%
- High ($1.5k-$3k)23%
- Very high ($3k+)5.6%
Top occupations
- Professionals28%
- Community and Personal Service Workers17%
- Managers17%
Full occupation breakdown in the suburb report.
Compared to QLD and Australia
| Idalia | QLD avg | AUS avg | |
|---|---|---|---|
| Median age | 32 | 42 | 42 |
| Tertiary-qualified | 33% | 15% | 19% |
What's in the full report
- ✓ Full 8-profile composition with percentages
- ✓ All 47 demographic variables broken down
- ✓ Income vs occupation cross-tabulation
- ✓ Family composition by age group
- ✓ Country of birth and language distributions
- ✓ Educational attainment by age cohort
- ✓ Branded HTML, PDF, CSV exports
- ✓ Citation-ready format
Nearby suburbs
Explore demographics for areas close to Idalia:
Methodology
Generated from ABS Census 2021 conditional tables using Bayesian reconstruction. Validated against real Census distributions with a median person-level SRMSE of 0.05 across 7,780 suburbs. Read the full methodology →