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 Deuchar, accounting for 20.2% (66 people). This share was higher than Southern Downs (R) (15.5%). Since 2016, the biggest change was in Empty nesters and retirees (60 to 69), which decreased by 36 people and 13 percentage points.
Section overview
Age structure - Service age groups
Deuchar - Total persons (Usual residence)
This table summarises service age groups for Deuchar in 2021 for persons, with comparison against Southern Downs (R) and change since 2016.
Age structure - Service age groups snapshot
2021 distribution by category for Deuchar, with comparison markers for Southern Downs (R).
Babies and pre-schoolers (0 to 4)
2021 count
19
% of total
5.8%
Change from 2016
+2.8pp
19
5.8%
+2.8pp
Primary schoolers (5 to 11)
2021 count
39
% of total
11.9%
Change from 2016
+2.5pp
39
11.9%
+2.5pp
Secondary schoolers (12 to 17)
2021 count
30
% of total
9.2%
Change from 2016
+2.5pp
30
9.2%
+2.5pp
Tertiary education and independence (18 to 24)
2021 count
10
% of total
3.1%
Change from 2016
-0.2pp
10
3.1%
-0.2pp
Young workforce (25 to 34)
2021 count
47
% of total
14.4%
Change from 2016
+10.1pp
47
14.4%
+10.1pp
Parents and homebuilders (35 to 49)
2021 count
66
% of total
20.2%
Change from 2016
+2.5pp
66
20.2%
+2.5pp
Older workers and pre-retirees (50 to 59)
2021 count
37
% of total
11.3%
Change from 2016
-6.1pp
37
11.3%
-6.1pp
Empty nesters and retirees (60 to 69)
2021 count
35
% of total
10.7%
Change from 2016
-13.0pp
35
10.7%
-13.0pp
Seniors (70 to 84)
2021 count
32
% of total
9.8%
Change from 2016
-0.9pp
32
9.8%
-0.9pp
Elderly aged (85 and over)
2021 count
8
% of total
2.4%
Change from 2016
+1.4pp
8
2.4%
+1.4pp
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
+2.8pp
Primary schoolers (5 to 11)
+11
+2.5pp
Secondary schoolers (12 to 17)
+10
+2.5pp
Tertiary education and independence (18 to 24)
0
-0.2pp
Young workforce (25 to 34)
+34
+10.1pp
Parents and homebuilders (35 to 49)
+13
+2.5pp
Older workers and pre-retirees (50 to 59)
-15
-6.1pp
Empty nesters and retirees (60 to 69)
-36
-13.0pp
Seniors (70 to 84)
0
-0.9pp
Elderly aged (85 and over)
+5
+1.4pp
Data table
Service age groups for Deuchar. Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Southern Downs (R).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Southern Downs (R)% | Count | % | Southern Downs (R)% | Count | pp | |
| Babies and pre-schoolers (0 to 4) | 19 | 5.8% | 4.6% | 9 | 3.0% | 5.7% | +10 | +2.8pp |
| Primary schoolers (5 to 11) | 39 | 11.9% | 8.4% | 28 | 9.4% | 9.1% | +11 | +2.5pp |
| Secondary schoolers (12 to 17) | 30 | 9.2% | 8.0% | 20 | 6.7% | 8.2% | +10 | +2.5pp |
| Tertiary education and independence (18 to 24) | 10 | 3.1% | 6.3% | 10 | 3.3% | 6.7% | 0 | -0.2pp |
| Young workforce (25 to 34) | 47 | 14.4% | 9.5% | 13 | 4.3% | 9.0% | +34 | +10.1pp |
| Parents and homebuilders (35 to 49) | 66 | 20.2% | 15.5% | 53 | 17.7% | 16.7% | +13 | +2.5pp |
| Older workers and pre-retirees (50 to 59) | 37 | 11.3% | 13.6% | 52 | 17.4% | 14.1% | -15 | -6.1pp |
| Empty nesters and retirees (60 to 69) | 35 | 10.7% | 15.6% | 71 | 23.7% | 14.9% | -36 | -13.0pp |
| Seniors (70 to 84) | 32 | 9.8% | 15.8% | 32 | 10.7% | 12.9% | 0 | -0.9pp |
| Elderly aged (85 and over) | 8 | 2.4% | 2.8% | 3 | 1.0% | 2.6% | +5 | +1.4pp |
| Total | 327 | 100.0% | 100.0% | 299 | 100.0% | 100.0% | +28 | 0.0pp |