Population
Service age groups
About this topic
Service age groups divide the population into broad life-stage bands such as children, young adults, working-age adults, and older people. The groupings are designed to reflect typical demand for age-based services and facilities rather than exact five-year cohorts.
This view is useful for planning childcare, schools, recreation, aged services, and other community infrastructure. It works best alongside five year age groups, household type, and dwelling data, which add more detail about who is living in an area and how needs may change over time.
Interpretation notes
- This is a derived grouping rather than a direct Census question, so the age bands are planning-oriented summaries built from standard age data.
- Percentages relate to the total population; use five year age groups when exact cohort detail matters.
Related topics
Key insight
In 2021, Young workforce (25 to 34) was the most common category among residents in Lake Darlot, accounting for 37.1% (66 people). This share was higher than Leonora (S) (22.1%). Since 2016, the biggest change was in Young workforce (25 to 34), which increased by 53 people and 17.4 percentage points.
Section overview
Age structure - Service age groups
Lake Darlot - Total persons (Usual residence)
This table summarises service age groups for Lake Darlot in 2021 for persons, with comparison against Leonora (S) and change since 2016.
Age structure - Service age groups snapshot
2021 distribution by category for Lake Darlot, with comparison markers for Leonora (S).
Babies and pre-schoolers (0 to 4)
2021 count
0
% of total
0.0%
Change from 2016
-15.2pp
0
0.0%
-15.2pp
Primary schoolers (5 to 11)
2021 count
4
% of total
2.2%
Change from 2016
-11.4pp
4
2.2%
-11.4pp
Secondary schoolers (12 to 17)
2021 count
0
% of total
0.0%
Change from 2016
0.0pp
0
0.0%
0.0pp
Tertiary education and independence (18 to 24)
2021 count
25
% of total
14.0%
Change from 2016
+14.0pp
25
14.0%
+14.0pp
Young workforce (25 to 34)
2021 count
66
% of total
37.1%
Change from 2016
+17.4pp
66
37.1%
+17.4pp
Parents and homebuilders (35 to 49)
2021 count
57
% of total
32.0%
Change from 2016
+19.9pp
57
32.0%
+19.9pp
Older workers and pre-retirees (50 to 59)
2021 count
21
% of total
11.8%
Change from 2016
-3.4pp
21
11.8%
-3.4pp
Empty nesters and retirees (60 to 69)
2021 count
7
% of total
3.9%
Change from 2016
+3.9pp
7
3.9%
+3.9pp
Seniors (70 to 84)
2021 count
0
% of total
0.0%
Change from 2016
0.0pp
0
0.0%
0.0pp
Elderly aged (85 and over)
2021 count
0
% of total
0.0%
Change from 2016
0.0pp
0
0.0%
0.0pp
Chart view
Age structure - Service age groups change
Absolute change in category counts between 2016 and 2021.
Babies and pre-schoolers (0 to 4)
-10
-15.2pp
Primary schoolers (5 to 11)
-5
-11.4pp
Secondary schoolers (12 to 17)
0
0.0pp
Tertiary education and independence (18 to 24)
+25
+14.0pp
Young workforce (25 to 34)
+53
+17.4pp
Parents and homebuilders (35 to 49)
+49
+19.9pp
Older workers and pre-retirees (50 to 59)
+11
-3.4pp
Empty nesters and retirees (60 to 69)
+7
+3.9pp
Seniors (70 to 84)
0
0.0pp
Elderly aged (85 and over)
0
0.0pp
Data table
Service age groups for Lake Darlot. Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Leonora (S).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Leonora (S)% | Count | % | Leonora (S)% | Count | pp | |
| Babies and pre-schoolers (0 to 4) | 0 | 0.0% | 5.9% | 10 | 15.2% | 7.4% | -10 | -15.2pp |
| Primary schoolers (5 to 11) | 4 | 2.2% | 8.8% | 9 | 13.6% | 8.0% | -5 | -11.4pp |
| Secondary schoolers (12 to 17) | 0 | 0.0% | 3.7% | 0 | 0.0% | 2.4% | 0 | 0.0pp |
| Tertiary education and independence (18 to 24) | 25 | 14.0% | 12.0% | 0 | 0.0% | 7.2% | +25 | +14.0pp |
| Young workforce (25 to 34) | 66 | 37.1% | 22.1% | 13 | 19.7% | 25.5% | +53 | +17.4pp |
| Parents and homebuilders (35 to 49) | 57 | 32.0% | 22.0% | 8 | 12.1% | 25.2% | +49 | +19.9pp |
| Older workers and pre-retirees (50 to 59) | 21 | 11.8% | 14.3% | 10 | 15.2% | 14.6% | +11 | -3.4pp |
| Empty nesters and retirees (60 to 69) | 7 | 3.9% | 8.0% | 0 | 0.0% | 9.0% | +7 | +3.9pp |
| Seniors (70 to 84) | 0 | 0.0% | 3.5% | 0 | 0.0% | 2.3% | 0 | 0.0pp |
| Elderly aged (85 and over) | 0 | 0.0% | 0.3% | 0 | 0.0% | 0.6% | 0 | 0.0pp |
| Total | 178 | 100.0% | 100.0% | 66 | 100.0% | 100.0% | +112 | 0.0pp |