Population
+20.4% since 2016.
Gretna, TAS
Gretna had a population of 254 at the 2021 Census (+20.4% since 2016). Median age 38.0. Median weekly household income $1,388. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.
Gretna at a glance
What the 2021 Census says, compared with Tasmania.
Between the 2016 and 2021 censuses, Gretna's population grew by 20.4% to 254, faster than Tasmania as a whole (+9.3%). With a median age of 38.0, it is younger than the TAS average (42.0). Children under 10 make up 13.0% of residents, and people aged 70 and over 13.0%.
16.7% of households rent, a smaller share than the TAS average of 26.9%. 39.7% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 78 households.
The median household earns $1,388 a week, in line with the TAS average of $1,358. Renters pay a median $200 a week, and households with a mortgage repay $1,083 a month.
8.1% of residents were born overseas, fewer than the TAS average of 16.3%. 4.1% use a language other than English at home. 47.5% report no religion, lower than the TAS average (53.9%).
Key figures
2021 Census, Gretna beside TAS and Australia.
| Measure | Gretna | TAS | Australia |
|---|---|---|---|
| Population | 254 | 557,571 | 25,422,788 |
| Growth since 2016 | +20.4% | +9.3% | +8.6% |
| Median age | 38.0 | 42.0 | 38.0 |
| Households | 78 | 218,412 | 9,275,217 |
| Flats and apartments | 0.0% | 5.3% | 14.3% |
| Renting | 16.7% | 26.9% | 31.1% |
| Owned outright | 39.7% | 37.7% | 31.4% |
| Median household income a week | $1,388 | $1,358 | $1,746 |
| Median rent a week | $200 | $290 | $375 |
| Median mortgage repayment a month | $1,083 | $1,313 | $1,863 |
| Born overseas | 8.1% | 16.3% | 29.3% |
| Other language at home | 4.1% | 9.2% | 23.6% |
| No religion | 47.5% | 53.9% | 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 38.0, against 42.0 for Tasmania.
Source: ABS Census 2021, via Censible. How the figures are built
Cultural background
The largest groups in Gretna at the 2021 Census.
Ancestry
Languages at home
Country of birth
Source: ABS Census 2021, via Censible. How the figures are built
Around Gretna
The places it belongs to, sits beside and contains.
Part of
Nearby
Explore Gretna in Censible
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