Population
−1.7% since 2016.
Isabella Plains, ACT
Isabella Plains had a population of 4,329 at the 2021 Census (−1.7% since 2016). Median age 36.0. Median weekly household income $2,131. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.
Isabella Plains at a glance
What the 2021 Census says, compared with Australian Capital Territory.
Between the 2016 and 2021 censuses, Isabella Plains's population shrank by 1.7% to 4,329, slower than Australian Capital Territory as a whole (+14.4%). Its median age of 36.0 is close to the ACT average (35.6). Children under 10 make up 14.3% of residents, and people aged 70 and over 9.7%.
19.4% of households rent, a smaller share than the ACT average of 31.0%. 28.2% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 1,613 households.
The median household earns $2,131 a week, below the ACT average of $2,374. Renters pay a median $450 a week, and households with a mortgage repay $1,880 a month.
23.6% of residents were born overseas, fewer than the ACT average of 29.9%. 20.8% use a language other than English at home. 41.5% report no religion, lower than the ACT average (46.8%).
Key figures
2021 Census, Isabella Plains beside ACT and Australia.
| Measure | Isabella Plains | ACT | Australia |
|---|---|---|---|
| Population | 4,329 | 454,495 | 25,422,828 |
| Growth since 2016 | −1.7% | +14.4% | +8.6% |
| Median age | 36.0 | 35.6 | 38.2 |
| Households | 1,613 | 168,400 | 9,275,123 |
| Flats and apartments | 0.0% | 19.4% | 14.3% |
| Renting | 19.4% | 31.0% | 31.1% |
| Owned outright | 28.2% | 26.9% | 31.4% |
| Median household income a week | $2,131 | $2,374 | $1,747 |
| Median rent a week | $450 | $453 | $376 |
| Median mortgage repayment a month | $1,880 | $2,064 | $1,866 |
| Born overseas | 23.6% | 29.9% | 29.3% |
| Other language at home | 20.8% | 25.6% | 23.6% |
| No religion | 41.5% | 46.8% | 41.9% |
Source: ABS Census 2021, via Censible. How the figures are built
Population and age
Each census since 2011, and the age profile in 2021.
Age
Median age 36.0, against 35.6 for Australian Capital Territory.
Source: ABS Census 2021, via Censible. How the figures are built
Cultural background
The largest groups in Isabella Plains at the 2021 Census.
Ancestry
Languages at home
Country of birth
Source: ABS Census 2021, via Censible. How the figures are built
Around Isabella Plains
The places it belongs to, sits beside and contains.
Part of
Nearby
Explore Isabella Plains in Censible
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