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 Lower Eyre Peninsula (DC), accounting for 19.8% (1,170 people). This share was higher than Regional SA (16.4%). Since 2016, the biggest change was in Seniors (70 to 84), which increased by 191 people and 2.7 percentage points.
Section overview
Age structure - Service age groups
Lower Eyre Peninsula (DC) - Total persons (Usual residence)
This table summarises service age groups for Lower Eyre Peninsula (DC) in 2021 for persons, with comparison against Regional SA and change since 2016.
Chart view
Age structure - Service age groups snapshot
2021 distribution by category for Lower Eyre Peninsula (DC), with comparison markers for Regional SA.
Babies and pre-schoolers (0 to 4)
2021 count
340
% of total
5.8%
Change from 2016
+0.1pp
340
5.8%
+0.1pp
Primary schoolers (5 to 11)
2021 count
566
% of total
9.6%
Change from 2016
+0.1pp
566
9.6%
+0.1pp
Secondary schoolers (12 to 17)
2021 count
482
% of total
8.2%
Change from 2016
-0.2pp
482
8.2%
-0.2pp
Tertiary education and independence (18 to 24)
2021 count
290
% of total
4.9%
Change from 2016
-0.4pp
290
4.9%
-0.4pp
Young workforce (25 to 34)
2021 count
534
% of total
9.0%
Change from 2016
-1.4pp
534
9.0%
-1.4pp
Parents and homebuilders (35 to 49)
2021 count
1,170
% of total
19.8%
Change from 2016
-1.9pp
1,170
19.8%
-1.9pp
Older workers and pre-retirees (50 to 59)
2021 count
913
% of total
15.4%
Change from 2016
-0.9pp
913
15.4%
-0.9pp
Empty nesters and retirees (60 to 69)
2021 count
895
% of total
15.1%
Change from 2016
+2.1pp
895
15.1%
+2.1pp
Seniors (70 to 84)
2021 count
656
% of total
11.1%
Change from 2016
+2.7pp
656
11.1%
+2.7pp
Elderly aged (85 and over)
2021 count
83
% of total
1.4%
Change from 2016
0.0pp
83
1.4%
0.0pp
Age structure - Service age groups change
Absolute change in category counts between 2016 and 2021.
Babies and pre-schoolers (0 to 4)
+26
+0.1pp
Primary schoolers (5 to 11)
+44
+0.1pp
Secondary schoolers (12 to 17)
+18
-0.2pp
Tertiary education and independence (18 to 24)
-4
-0.4pp
Young workforce (25 to 34)
-37
-1.4pp
Parents and homebuilders (35 to 49)
-23
-1.9pp
Older workers and pre-retirees (50 to 59)
+15
-0.9pp
Empty nesters and retirees (60 to 69)
+178
+2.1pp
Seniors (70 to 84)
+191
+2.7pp
Elderly aged (85 and over)
+8
0.0pp
Data table
Service age groups for Lower Eyre Peninsula (DC). Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Regional SA.
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Regional SA% | Count | % | Regional SA% | Count | pp | |
| Babies and pre-schoolers (0 to 4) | 340 | 5.8% | 4.9% | 314 | 5.7% | 5.5% | +26 | +0.1pp |
| Primary schoolers (5 to 11) | 566 | 9.6% | 8.1% | 522 | 9.5% | 8.6% | +44 | +0.1pp |
| Secondary schoolers (12 to 17) | 482 | 8.2% | 7.0% | 464 | 8.4% | 7.2% | +18 | -0.2pp |
| Tertiary education and independence (18 to 24) | 290 | 4.9% | 6.5% | 294 | 5.3% | 6.8% | -4 | -0.4pp |
| Young workforce (25 to 34) | 534 | 9.0% | 10.5% | 571 | 10.4% | 10.4% | -37 | -1.4pp |
| Parents and homebuilders (35 to 49) | 1,170 | 19.8% | 16.4% | 1,193 | 21.7% | 17.8% | -23 | -1.9pp |
| Older workers and pre-retirees (50 to 59) | 913 | 15.4% | 13.9% | 898 | 16.3% | 14.6% | +15 | -0.9pp |
| Empty nesters and retirees (60 to 69) | 895 | 15.1% | 15.1% | 717 | 13.0% | 14.4% | +178 | +2.1pp |
| Seniors (70 to 84) | 656 | 11.1% | 14.7% | 465 | 8.4% | 12.1% | +191 | +2.7pp |
| Elderly aged (85 and over) | 83 | 1.4% | 2.8% | 75 | 1.4% | 2.7% | +8 | 0.0pp |
| Total | 5,910 | 100.0% | 100.0% | 5,510 | 100.0% | 100.0% | +400 | 0.0pp |