Population
−34.0% since 2016.
Mount Sylvia, QLD
Mount Sylvia had a population of 70 at the 2021 Census (−34.0% since 2016). Median age 45.0. Median weekly household income $939. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.
Mount Sylvia at a glance
What the 2021 Census says, compared with Queensland.
Between the 2016 and 2021 censuses, Mount Sylvia's population shrank by 34.0% to 70, slower than Queensland as a whole (+9.6%). With a median age of 45.0, it is older than the QLD average (38.0). Children under 10 make up 0.0% of residents, and people aged 70 and over 8.6%.
12.0% of households rent, a smaller share than the QLD average of 33.6%. 52.0% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 25 households.
The median household earns $939 a week, below the QLD average of $1,675.
14.3% of residents were born overseas, fewer than the QLD average of 24.1%. 6.0% use a language other than English at home. 34.8% report no religion, lower than the QLD average (44.8%).
Key figures
2021 Census, Mount Sylvia beside QLD and Australia.
| Measure | Mount Sylvia | QLD | Australia |
|---|---|---|---|
| Population | 70 | 5,156,138 | 25,422,788 |
| Growth since 2016 | −34.0% | +9.6% | +8.6% |
| Median age | 45.0 | 38.0 | 38.0 |
| Households | 25 | 1,869,462 | 9,275,217 |
| Flats and apartments | 0.0% | 12.5% | 14.3% |
| Renting | 12.0% | 33.6% | 31.1% |
| Owned outright | 52.0% | 29.5% | 31.4% |
| Median household income a week | $939 | $1,675 | $1,746 |
| Median rent a week | – | $365 | $375 |
| Median mortgage repayment a month | – | $1,733 | $1,863 |
| Born overseas | 14.3% | 24.1% | 29.3% |
| Other language at home | 6.0% | 14.1% | 23.6% |
| No religion | 34.8% | 44.8% | 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 45.0, against 38.0 for Queensland.
Source: ABS Census 2021, via Censible. How the figures are built
Cultural background
The largest groups in Mount Sylvia at the 2021 Census.
Ancestry
Languages at home
Country of birth
Source: ABS Census 2021, via Censible. How the figures are built
Around Mount Sylvia
The places it belongs to, sits beside and contains.
Part of
Nearby
Explore Mount Sylvia in Censible
Every census figure for Mount Sylvia, mapped and compared with any other place. A free account takes a minute.