Population
+11.2% since 2016.
Kilkenny had a population of 1,846 at the 2021 Census (+11.2% since 2016). Median age 38.4. Median weekly household income $1,398. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.
What the 2021 Census says, compared with South Australia.
Between the 2016 and 2021 censuses, Kilkenny's population grew by 11.2% to 1,846, faster than South Australia as a whole (+6.3%). With a median age of 38.4, it is younger than the SA average (40.9). Children under 10 make up 9.4% of residents, and people aged 70 and over 15.8%.
32.0% of households rent, a larger share than the SA average of 27.9%. 31.4% own their home outright. Flats and apartments are 11.5% of homes (6.8% across South Australia). The 2021 Census counted 712 households.
The median household earns $1,398 a week, in line with the SA average of $1,456. Renters pay a median $315 a week, and households with a mortgage repay $1,513 a month.
39.0% of residents were born overseas, more than the SA average of 25.2%. 43.0% use a language other than English at home. 32.9% report no religion, lower than the SA average (48.9%).
2021 Census, Kilkenny beside SA and Australia.
| Measure | Kilkenny | SA | Australia |
|---|---|---|---|
| Population | 1,846 | 1,781,501 | 25,422,828 |
| Growth since 2016 | +11.2% | +6.3% | +8.6% |
| Median age | 38.4 | 40.9 | 38.2 |
| Households | 712 | 691,344 | 9,275,123 |
| Flats and apartments | 11.5% | 6.8% | 14.3% |
| Renting | 32.0% | 27.9% | 31.1% |
| Owned outright | 31.4% | 33.3% | 31.4% |
| Median household income a week | $1,398 | $1,456 | $1,747 |
| Median rent a week | $315 | $300 | $376 |
| Median mortgage repayment a month | $1,513 | $1,505 | $1,866 |
| Born overseas | 39.0% | 25.2% | 29.3% |
| Other language at home | 43.0% | 18.7% | 23.6% |
| No religion | 32.9% | 48.9% | 41.9% |
Source: ABS Census 2021, via Censible. How the figures are built
Each census since 2011, and the age profile in 2021.
+11.2% since 2016.
Median age 38.4, against 40.9 for South Australia.
Source: ABS Census 2021, via Censible. How the figures are built
The largest groups in Kilkenny at the 2021 Census.
Source: ABS Census 2021, via Censible. How the figures are built
The places it belongs to, sits beside and contains.
Every census figure for Kilkenny, mapped and compared with any other place. A free account takes a minute.