Census comparison · 2011 · 2016 · 2021
Boulder then and now
Side-by-side ABS Census comparison for Boulder, WA (postcode 6432) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-9.1% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 5,359 | 4,825 | 4,872 | -487 · -9.1% |
| Median age | 30 | 33 | 35 | +5 · +16.7% |
| Median household income | $1,713/wk | $1,753/wk | $1,968/wk | +$255 · +14.9% |
| Median personal income | $783/wk | $833/wk | $1,019/wk | +$236 · +30.1% |
| Median rent | $260/wk | $273/wk | $300/wk | +$40 · +15.4% |
| Median mortgage | $1,650/mo | $1,517/mo | $1,302/mo | $348 · -21.1% |
| Average household size | 2.6 | 2.6 | 2.4 | -0.2 · -7.7% |
Change is measured from the earliest available Census year to 2021 for each metric.
Boulder trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
4,872
was 4,825 in 2016
+47 · +1%
Median rent
$300/wk
was $273/wk in 2016
+$27 · +9.9%
Household income
$1,968/wk
was $1,753/wk in 2016
+$215 · +12.3%
Median age
35
was 33 in 2016
+2 · +6.1%
Dig deeper: Boulder population growth · Boulder then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.