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, Parents and homebuilders (35 to 49) was the most common category among residents in Heidelberg Heights, accounting for 22% (1,488 people). This share was higher than Banyule (C) (21.3%). Since 2016, the biggest change was in Young workforce (25 to 34), which increased by 247 people and 1.7 percentage points.
Section overview
Age structure - Service age groups
Heidelberg Heights - Total persons (Usual residence)
This table summarises service age groups for Heidelberg Heights in 2021 for persons, with comparison against Banyule (C) and change since 2016.
Age structure - Service age groups snapshot
2021 distribution by category for Heidelberg Heights, with comparison markers for Banyule (C).
Babies and pre-schoolers (0 to 4)
2021 count
438
% of total
6.5%
Change from 2016
-0.5pp
438
6.5%
-0.5pp
Primary schoolers (5 to 11)
2021 count
523
% of total
7.7%
Change from 2016
+1.4pp
523
7.7%
+1.4pp
Secondary schoolers (12 to 17)
2021 count
308
% of total
4.6%
Change from 2016
-1.0pp
308
4.6%
-1.0pp
Tertiary education and independence (18 to 24)
2021 count
577
% of total
8.5%
Change from 2016
-0.2pp
577
8.5%
-0.2pp
Young workforce (25 to 34)
2021 count
1,444
% of total
21.4%
Change from 2016
+1.7pp
1,444
21.4%
+1.7pp
Parents and homebuilders (35 to 49)
2021 count
1,488
% of total
22.0%
Change from 2016
+0.6pp
1,488
22.0%
+0.6pp
Older workers and pre-retirees (50 to 59)
2021 count
791
% of total
11.7%
Change from 2016
-1.0pp
791
11.7%
-1.0pp
Empty nesters and retirees (60 to 69)
2021 count
649
% of total
9.6%
Change from 2016
+0.2pp
649
9.6%
+0.2pp
Seniors (70 to 84)
2021 count
432
% of total
6.4%
Change from 2016
-0.2pp
432
6.4%
-0.2pp
Elderly aged (85 and over)
2021 count
126
% of total
1.9%
Change from 2016
-0.6pp
126
1.9%
-0.6pp
Chart view
Age structure - Service age groups change
Absolute change in category counts between 2016 and 2021.
Babies and pre-schoolers (0 to 4)
+12
-0.5pp
Primary schoolers (5 to 11)
+137
+1.4pp
Secondary schoolers (12 to 17)
-33
-1.0pp
Tertiary education and independence (18 to 24)
+48
-0.2pp
Young workforce (25 to 34)
+247
+1.7pp
Parents and homebuilders (35 to 49)
+184
+0.6pp
Older workers and pre-retirees (50 to 59)
+18
-1.0pp
Empty nesters and retirees (60 to 69)
+75
+0.2pp
Seniors (70 to 84)
+30
-0.2pp
Elderly aged (85 and over)
-27
-0.6pp
Data table
Service age groups for Heidelberg Heights. Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Banyule (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Banyule (C)% | Count | % | Banyule (C)% | Count | pp | |
| Babies and pre-schoolers (0 to 4) | 438 | 6.5% | 5.6% | 426 | 7.0% | 6.4% | +12 | -0.5pp |
| Primary schoolers (5 to 11) | 523 | 7.7% | 8.6% | 386 | 6.3% | 8.5% | +137 | +1.4pp |
| Secondary schoolers (12 to 17) | 308 | 4.6% | 6.9% | 341 | 5.6% | 6.5% | -33 | -1.0pp |
| Tertiary education and independence (18 to 24) | 577 | 8.5% | 7.7% | 529 | 8.7% | 8.4% | +48 | -0.2pp |
| Young workforce (25 to 34) | 1,444 | 21.4% | 12.9% | 1,197 | 19.7% | 13.3% | +247 | +1.7pp |
| Parents and homebuilders (35 to 49) | 1,488 | 22.0% | 21.3% | 1,304 | 21.4% | 21.1% | +184 | +0.6pp |
| Older workers and pre-retirees (50 to 59) | 791 | 11.7% | 12.4% | 773 | 12.7% | 12.7% | +18 | -1.0pp |
| Empty nesters and retirees (60 to 69) | 649 | 9.6% | 11.0% | 574 | 9.4% | 11.0% | +75 | +0.2pp |
| Seniors (70 to 84) | 432 | 6.4% | 11.0% | 402 | 6.6% | 9.4% | +30 | -0.2pp |
| Elderly aged (85 and over) | 126 | 1.9% | 2.7% | 153 | 2.5% | 2.7% | -27 | -0.6pp |
| Total | 6,758 | 100.0% | 100.0% | 6,087 | 100.0% | 100.0% | +671 | 0.0pp |