Population
Five year age groups
About this topic
Five year age groups show the population in standard five-year cohorts from early childhood through older age. Because each band covers the same span of years, the topic gives a clear and comparable view of an area's age structure.
This topic is useful for identifying growth or decline in specific cohorts and for comparing age patterns across places and over time. For service planning, it is often read together with service age groups, household types, and dwelling types.
Interpretation notes
- Age is reported as at Census night, so the counts are a snapshot of the resident age structure at that point in time.
- Because each band covers the same five-year span, this topic is best for exact cohort comparison rather than service-planning life stages.
Related topics
Key insight
In 2021, 55 to 59 year olds was the largest age group among residents in Acacia Hills (Tas.), accounting for 10.4% (76 people). This share was higher than Kentish (M) (9.4%). Since 2016, the biggest change was in 55 to 59 year olds, which increased by 29 people and 2.9 percentage points.
Section overview
Age structure - Five year age groups
Acacia Hills (Tas.) - Total persons (Usual residence)
This table summarises five year age groups for Acacia Hills (Tas.) in 2021 for persons, with comparison against Kentish (M) and change since 2016.
Age structure - Five year age groups snapshot
2021 distribution by category for Acacia Hills (Tas.), with comparison markers for Kentish (M).
0 to 4
2021 count
27
% of total
3.7%
Change from 2016
-1.3pp
27
3.7%
-1.3pp
5 to 9
2021 count
47
% of total
6.4%
Change from 2016
-0.2pp
47
6.4%
-0.2pp
10 to 14
2021 count
52
% of total
7.1%
Change from 2016
+1.3pp
52
7.1%
+1.3pp
15 to 19
2021 count
43
% of total
5.9%
Change from 2016
-1.6pp
43
5.9%
-1.6pp
20 to 24
2021 count
34
% of total
4.7%
Change from 2016
-1.6pp
34
4.7%
-1.6pp
25 to 29
2021 count
48
% of total
6.6%
Change from 2016
+2.3pp
48
6.6%
+2.3pp
30 to 34
2021 count
32
% of total
4.4%
Change from 2016
-3.0pp
32
4.4%
-3.0pp
35 to 39
2021 count
52
% of total
7.1%
Change from 2016
+1.6pp
52
7.1%
+1.6pp
40 to 44
2021 count
48
% of total
6.6%
Change from 2016
-3.0pp
48
6.6%
-3.0pp
45 to 49
2021 count
47
% of total
6.4%
Change from 2016
+0.3pp
47
6.4%
+0.3pp
50 to 54
2021 count
48
% of total
6.6%
Change from 2016
-5.6pp
48
6.6%
-5.6pp
55 to 59
2021 count
76
% of total
10.4%
Change from 2016
+2.9pp
76
10.4%
+2.9pp
60 to 64
2021 count
61
% of total
8.4%
Change from 2016
+0.9pp
61
8.4%
+0.9pp
65 to 69
2021 count
50
% of total
6.9%
Change from 2016
+2.1pp
50
6.9%
+2.1pp
70 to 74
2021 count
34
% of total
4.7%
Change from 2016
+2.8pp
34
4.7%
+2.8pp
75 to 79
2021 count
12
% of total
1.6%
Change from 2016
+0.8pp
12
1.6%
+0.8pp
80 to 84
2021 count
9
% of total
1.2%
Change from 2016
+0.7pp
9
1.2%
+0.7pp
85 and over
2021 count
0
% of total
0.0%
Change from 2016
0.0pp
0
0.0%
0.0pp
Chart view
Age structure - Five year age groups change
Absolute change in category counts between 2016 and 2021.
0 to 4
-4
-1.3pp
5 to 9
+6
-0.2pp
10 to 14
+16
+1.3pp
15 to 19
-4
-1.6pp
20 to 24
-5
-1.6pp
25 to 29
+21
+2.3pp
30 to 34
-14
-3.0pp
35 to 39
+18
+1.6pp
40 to 44
-12
-3.0pp
45 to 49
+9
+0.3pp
50 to 54
-28
-5.6pp
55 to 59
+29
+2.9pp
60 to 64
+14
+0.9pp
65 to 69
+20
+2.1pp
70 to 74
+22
+2.8pp
75 to 79
+7
+0.8pp
80 to 84
+6
+0.7pp
85 and over
0
0.0pp
Data table
Five year age groups for Acacia Hills (Tas.). Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Kentish (M).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Kentish (M)% | Count | % | Kentish (M)% | Count | pp | |
| 0 to 4 | 27 | 3.7% | 4.2% | 31 | 5.0% | 4.4% | -4 | -1.3pp |
| 5 to 9 | 47 | 6.4% | 5.1% | 41 | 6.6% | 6.0% | +6 | -0.2pp |
| 10 to 14 | 52 | 7.1% | 5.9% | 36 | 5.8% | 6.0% | +16 | +1.3pp |
| 15 to 19 | 43 | 5.9% | 5.1% | 47 | 7.5% | 6.4% | -4 | -1.6pp |
| 20 to 24 | 34 | 4.7% | 4.6% | 39 | 6.3% | 4.1% | -5 | -1.6pp |
| 25 to 29 | 48 | 6.6% | 4.5% | 27 | 4.3% | 4.2% | +21 | +2.3pp |
| 30 to 34 | 32 | 4.4% | 5.2% | 46 | 7.4% | 4.7% | -14 | -3.0pp |
| 35 to 39 | 52 | 7.1% | 5.5% | 34 | 5.5% | 4.8% | +18 | +1.6pp |
| 40 to 44 | 48 | 6.6% | 5.1% | 60 | 9.6% | 5.9% | -12 | -3.0pp |
| 45 to 49 | 47 | 6.4% | 6.1% | 38 | 6.1% | 7.7% | +9 | +0.3pp |
| 50 to 54 | 48 | 6.6% | 8.0% | 76 | 12.2% | 8.7% | -28 | -5.6pp |
| 55 to 59 | 76 | 10.4% | 9.4% | 47 | 7.5% | 9.2% | +29 | +2.9pp |
| 60 to 64 | 61 | 8.4% | 9.4% | 47 | 7.5% | 7.7% | +14 | +0.9pp |
| 65 to 69 | 50 | 6.9% | 7.3% | 30 | 4.8% | 8.0% | +20 | +2.1pp |
| 70 to 74 | 34 | 4.7% | 6.7% | 12 | 1.9% | 5.1% | +22 | +2.8pp |
| 75 to 79 | 12 | 1.6% | 4.1% | 5 | 0.8% | 3.4% | +7 | +0.8pp |
| 80 to 84 | 9 | 1.2% | 2.3% | 3 | 0.5% | 1.7% | +6 | +0.7pp |
| 85 and over | 0 | 0.0% | 1.7% | 0 | 0.0% | 1.7% | 0 | 0.0pp |
| Total | 729 | 100.0% | 100.0% | 623 | 100.0% | 100.0% | +106 | 0.0pp |