Census comparison · 2011 · 2016 · 2021
Koah then and now
Side-by-side ABS Census comparison for Koah, QLD (postcode 4881) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+17.4% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 576 | 602 | 676 | +100 · +17.4% |
| Median age | 42 | 44 | 46 | +4 · +9.5% |
| Median household income | $924/wk | $1,147/wk | $1,553/wk | +$629 · +68.1% |
| Median personal income | $424/wk | $571/wk | $625/wk | +$201 · +47.4% |
| Median rent | $125/wk | $225/wk | $288/wk | +$163 · +130.4% |
| Median mortgage | $1,842/mo | $1,733/mo | $1,733/mo | $109 · -5.9% |
| Average household size | 2.6 | 2.7 | 2.7 | +0.1 · +3.8% |
Change is measured from the earliest available Census year to 2021 for each metric.
Koah trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
676
was 602 in 2016
+74 · +12.3%
Median rent
$288/wk
was $225/wk in 2016
+$63 · +28%
Household income
$1,553/wk
was $1,147/wk in 2016
+$406 · +35.4%
Median age
46
was 44 in 2016
+2 · +4.5%
Dig deeper: Koah population growth · Koah then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.