Australian Demographic Profile
Birtinya, QLD 4575
Census-grade demographic profile. ABS Census 2021, adjusted to 2026.
Population
~4,363
Median age
37
Median income
Mid-high
$800-$999/wk
Top profile
Established
25%
Profile composition (top three)
- Established partnered households25%
- Young singles and non-workers21%
- High-earning professionals19%
Full 8-profile breakdown in the suburb report.
Population overview
- Synthetic individuals
- ~4,363
- Sex split
- F 53% / M 47%
- Tertiary-qualified
- 35%
Generated from ABS Census 2021 conditionals using Bayesian reconstruction, adjusted to 2026.
Age structure
- Children (0-14)14%
- Young adults (15-24)15%
- Early career (25-39)27%
- Mid career (40-59)23%
- Senior (60+)22%
Income distribution
Median individual income bracket in Birtinya: Mid-high ($800-$999/wk).
- No / not stated25%
- Low ($1-$499/wk)18%
- Mid ($500-$1.5k)36%
- High ($1.5k-$3k)17%
- Very high ($3k+)4.1%
Top occupations
- Professionals32%
- Community and Personal Service Workers13%
- Clerical and Administrative Workers13%
Full occupation breakdown in the suburb report.
Compared to QLD and Australia
| Birtinya | QLD avg | AUS avg | |
|---|---|---|---|
| Median age | 37 | 42 | 42 |
| Tertiary-qualified | 35% | 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 Birtinya:
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 →