Census comparison · 2011 · 2016 · 2021
Ob Flat then and now
Side-by-side ABS Census comparison for Ob Flat, SA (postcode 5291) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+5.9% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 444 | 398 | 470 | +26 · +5.9% |
| Median age | 43 | 48 | 48 | +5 · +11.6% |
| Median household income | $1,375/wk | $1,575/wk | $2,104/wk | +$729 · +53% |
| Median personal income | $635/wk | $753/wk | $860/wk | +$225 · +35.4% |
| Median rent | $230/wk | $185/wk | $250/wk | +$20 · +8.7% |
| Median mortgage | $1,140/mo | $1,582/mo | $1,625/mo | +$485 · +42.5% |
| Average household size | 2.9 | 2.6 | 2.6 | -0.3 · -10.3% |
Change is measured from the earliest available Census year to 2021 for each metric.
Ob Flat trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
470
was 398 in 2016
+72 · +18.1%
Median rent
$250/wk
was $185/wk in 2016
+$65 · +35.1%
Household income
$2,104/wk
was $1,575/wk in 2016
+$529 · +33.6%
Median age
48
was 48 in 2016
0 · 0%
Dig deeper: Ob Flat population growth · Ob Flat then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.