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 Old Toongabbie, accounting for 20.9% (685 people). This share was lower than Parramatta (C) (23.8%). Since 2016, the biggest change was in Primary schoolers (5 to 11), which increased by 61 people and 1.4 percentage points.
Section overview
Age structure - Service age groups
Old Toongabbie - Total persons (Usual residence)
This table summarises service age groups for Old Toongabbie in 2021 for persons, with comparison against Parramatta (C) and change since 2016.
Age structure - Service age groups snapshot
2021 distribution by category for Old Toongabbie, with comparison markers for Parramatta (C).
Babies and pre-schoolers (0 to 4)
2021 count
209
% of total
6.4%
Change from 2016
-1.0pp
209
6.4%
-1.0pp
Primary schoolers (5 to 11)
2021 count
355
% of total
10.8%
Change from 2016
+1.4pp
355
10.8%
+1.4pp
Secondary schoolers (12 to 17)
2021 count
253
% of total
7.7%
Change from 2016
+0.3pp
253
7.7%
+0.3pp
Tertiary education and independence (18 to 24)
2021 count
246
% of total
7.5%
Change from 2016
-1.0pp
246
7.5%
-1.0pp
Young workforce (25 to 34)
2021 count
383
% of total
11.7%
Change from 2016
-1.0pp
383
11.7%
-1.0pp
Parents and homebuilders (35 to 49)
2021 count
685
% of total
20.9%
Change from 2016
-0.6pp
685
20.9%
-0.6pp
Older workers and pre-retirees (50 to 59)
2021 count
427
% of total
13.0%
Change from 2016
+0.3pp
427
13.0%
+0.3pp
Empty nesters and retirees (60 to 69)
2021 count
301
% of total
9.2%
Change from 2016
+0.1pp
301
9.2%
+0.1pp
Seniors (70 to 84)
2021 count
322
% of total
9.8%
Change from 2016
-0.2pp
322
9.8%
-0.2pp
Elderly aged (85 and over)
2021 count
55
% of total
1.7%
Change from 2016
+0.6pp
55
1.7%
+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)
-22
-1.0pp
Primary schoolers (5 to 11)
+61
+1.4pp
Secondary schoolers (12 to 17)
+21
+0.3pp
Tertiary education and independence (18 to 24)
-21
-1.0pp
Young workforce (25 to 34)
-14
-1.0pp
Parents and homebuilders (35 to 49)
+12
-0.6pp
Older workers and pre-retirees (50 to 59)
+29
+0.3pp
Empty nesters and retirees (60 to 69)
+16
+0.1pp
Seniors (70 to 84)
+10
-0.2pp
Elderly aged (85 and over)
+19
+0.6pp
Data table
Service age groups for Old Toongabbie. Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Parramatta (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Parramatta (C)% | Count | % | Parramatta (C)% | Count | pp | |
| Babies and pre-schoolers (0 to 4) | 209 | 6.4% | 6.2% | 231 | 7.4% | 7.3% | -22 | -1.0pp |
| Primary schoolers (5 to 11) | 355 | 10.8% | 8.8% | 294 | 9.4% | 8.2% | +61 | +1.4pp |
| Secondary schoolers (12 to 17) | 253 | 7.7% | 5.8% | 232 | 7.4% | 5.9% | +21 | +0.3pp |
| Tertiary education and independence (18 to 24) | 246 | 7.5% | 8.4% | 267 | 8.5% | 8.7% | -21 | -1.0pp |
| Young workforce (25 to 34) | 383 | 11.7% | 19.4% | 397 | 12.7% | 20.2% | -14 | -1.0pp |
| Parents and homebuilders (35 to 49) | 685 | 20.9% | 23.8% | 673 | 21.5% | 21.9% | +12 | -0.6pp |
| Older workers and pre-retirees (50 to 59) | 427 | 13.0% | 10.3% | 398 | 12.7% | 11.1% | +29 | +0.3pp |
| Empty nesters and retirees (60 to 69) | 301 | 9.2% | 8.6% | 285 | 9.1% | 8.4% | +16 | +0.1pp |
| Seniors (70 to 84) | 322 | 9.8% | 7.0% | 312 | 10.0% | 6.7% | +10 | -0.2pp |
| Elderly aged (85 and over) | 55 | 1.7% | 1.6% | 36 | 1.1% | 1.7% | +19 | +0.6pp |
| Total | 3,276 | 100.0% | 100.0% | 3,133 | 100.0% | 100.0% | +143 | 0.0pp |