Australian Demographic Profile
Seacliff, SA 5049
Census-grade demographic profile. ABS Census 2021, adjusted to 2026.
Population
~2,081
Median age
47
Median income
Mid-high
$1,000-$1,249/wk
Top profile
High-earning
24%
Profile composition (top three)
- High-earning professionals24%
- Retired and semi-retired23%
- Established partnered households20%
Full 8-profile breakdown in the suburb report.
Population overview
- Synthetic individuals
- ~2,081
- Sex split
- F 53% / M 48%
- Tertiary-qualified
- 44%
Generated from ABS Census 2021 conditionals using Bayesian reconstruction, adjusted to 2026.
Age structure
- Children (0-14)16%
- Young adults (15-24)9.3%
- Early career (25-39)17%
- Mid career (40-59)27%
- Senior (60+)32%
Income distribution
Median individual income bracket in Seacliff: Mid-high ($1,000-$1,249/wk).
- No / not stated25%
- Low ($1-$499/wk)18%
- Mid ($500-$1.5k)32%
- High ($1.5k-$3k)20%
- Very high ($3k+)5.8%
Top occupations
- Professionals38%
- Managers15%
- Technicians and Trades Workers12%
Full occupation breakdown in the suburb report.
Compared to SA and Australia
| Seacliff | SA avg | AUS avg | |
|---|---|---|---|
| Median age | 47 | 42 | 42 |
| Tertiary-qualified | 44% | 20% | 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 Seacliff:
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 →