Population
−3.3% since 2016.
Sea Lake, VIC
Sea Lake had a population of 619 at the 2021 Census (−3.3% since 2016). Median age 50.7. Median weekly household income $858. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.
Sea Lake at a glance
What the 2021 Census says, compared with Victoria.
Between the 2016 and 2021 censuses, Sea Lake's population shrank by 3.3% to 619, slower than Victoria as a whole (+9.7%). With a median age of 50.7, it is older than the VIC average (37.9). Children under 10 make up 9.5% of residents, and people aged 70 and over 19.9%.
15.3% of households rent, a smaller share than the VIC average of 28.9%. 57.6% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 268 households.
The median household earns $858 a week, below the VIC average of $1,759. Renters pay a median $138 a week, and households with a mortgage repay $555 a month.
8.2% of residents were born overseas, fewer than the VIC average of 31.6%. 2.8% use a language other than English at home. 47.4% report no religion, higher than the VIC average (42.1%).
Key figures
2021 Census, Sea Lake beside VIC and Australia.
| Measure | Sea Lake | VIC | Australia |
|---|---|---|---|
| Population | 619 | 6,503,503 | 25,422,828 |
| Growth since 2016 | −3.3% | +9.7% | +8.6% |
| Median age | 50.7 | 37.9 | 38.2 |
| Households | 268 | 2,390,172 | 9,275,123 |
| Flats and apartments | 0.0% | 12.1% | 14.3% |
| Renting | 15.3% | 28.9% | 31.1% |
| Owned outright | 57.6% | 32.6% | 31.4% |
| Median household income a week | $858 | $1,759 | $1,747 |
| Median rent a week | $138 | $368 | $376 |
| Median mortgage repayment a month | $555 | $1,867 | $1,866 |
| Born overseas | 8.2% | 31.6% | 29.3% |
| Other language at home | 2.8% | 29.1% | 23.6% |
| No religion | 47.4% | 42.1% | 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 50.7, against 37.9 for Victoria.
Source: ABS Census 2021, via Censible. How the figures are built
Cultural background
The largest groups in Sea Lake at the 2021 Census.
Ancestry
Languages at home
Country of birth
Source: ABS Census 2021, via Censible. How the figures are built
Around Sea Lake
The places it belongs to, sits beside and contains.
Part of
Nearby
Explore Sea Lake in Censible
Every census figure for Sea Lake, mapped and compared with any other place. A free account takes a minute.