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, 25 to 29 year olds was the largest age group among residents in Hillcrest (Tas.), accounting for 9.7% (106 people). This share was higher than Burnie (C) (7%). Since 2016, the biggest change was in 20 to 24 year olds, which decreased by 293 people and 9 percentage points.
Section overview
Age structure - Five year age groups
Hillcrest (Tas.) - Total persons (Usual residence)
This table summarises five year age groups for Hillcrest (Tas.) in 2021 for persons, with comparison against Burnie (C) and change since 2016.
Age structure - Five year age groups snapshot
2021 distribution by category for Hillcrest (Tas.), with comparison markers for Burnie (C).
0 to 4
2021 count
76
% of total
7.0%
Change from 2016
+4.9pp
76
7.0%
+4.9pp
5 to 9
2021 count
65
% of total
6.0%
Change from 2016
+4.0pp
65
6.0%
+4.0pp
10 to 14
2021 count
74
% of total
6.8%
Change from 2016
+4.4pp
74
6.8%
+4.4pp
15 to 19
2021 count
50
% of total
4.6%
Change from 2016
-0.2pp
50
4.6%
-0.2pp
20 to 24
2021 count
77
% of total
7.1%
Change from 2016
-9.0pp
77
7.1%
-9.0pp
25 to 29
2021 count
106
% of total
9.7%
Change from 2016
-6.0pp
106
9.7%
-6.0pp
30 to 34
2021 count
74
% of total
6.8%
Change from 2016
-4.0pp
74
6.8%
-4.0pp
35 to 39
2021 count
82
% of total
7.5%
Change from 2016
+1.8pp
82
7.5%
+1.8pp
40 to 44
2021 count
45
% of total
4.1%
Change from 2016
-2.2pp
45
4.1%
-2.2pp
45 to 49
2021 count
73
% of total
6.7%
Change from 2016
+1.4pp
73
6.7%
+1.4pp
50 to 54
2021 count
58
% of total
5.3%
Change from 2016
+0.8pp
58
5.3%
+0.8pp
55 to 59
2021 count
81
% of total
7.4%
Change from 2016
+2.6pp
81
7.4%
+2.6pp
60 to 64
2021 count
73
% of total
6.7%
Change from 2016
+0.5pp
73
6.7%
+0.5pp
65 to 69
2021 count
59
% of total
5.4%
Change from 2016
+0.3pp
59
5.4%
+0.3pp
70 to 74
2021 count
42
% of total
3.9%
Change from 2016
+1.2pp
42
3.9%
+1.2pp
75 to 79
2021 count
26
% of total
2.4%
Change from 2016
+0.4pp
26
2.4%
+0.4pp
80 to 84
2021 count
21
% of total
1.9%
Change from 2016
+0.5pp
21
1.9%
+0.5pp
85 and over
2021 count
11
% of total
1.0%
Change from 2016
-1.0pp
11
1.0%
-1.0pp
Chart view
Age structure - Five year age groups change
Absolute change in category counts between 2016 and 2021.
0 to 4
+27
+4.9pp
5 to 9
+18
+4.0pp
10 to 14
+19
+4.4pp
15 to 19
-61
-0.2pp
20 to 24
-293
-9.0pp
25 to 29
-255
-6.0pp
30 to 34
-173
-4.0pp
35 to 39
-50
+1.8pp
40 to 44
-99
-2.2pp
45 to 49
-48
+1.4pp
50 to 54
-45
+0.8pp
55 to 59
-29
+2.6pp
60 to 64
-70
+0.5pp
65 to 69
-59
+0.3pp
70 to 74
-20
+1.2pp
75 to 79
-21
+0.4pp
80 to 84
-11
+0.5pp
85 and over
-34
-1.0pp
Data table
Five year age groups for Hillcrest (Tas.). Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Burnie (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Burnie (C)% | Count | % | Burnie (C)% | Count | pp | |
| 0 to 4 | 76 | 7.0% | 5.6% | 49 | 2.1% | 6.0% | +27 | +4.9pp |
| 5 to 9 | 65 | 6.0% | 6.0% | 47 | 2.0% | 6.1% | +18 | +4.0pp |
| 10 to 14 | 74 | 6.8% | 6.4% | 55 | 2.4% | 6.2% | +19 | +4.4pp |
| 15 to 19 | 50 | 4.6% | 6.2% | 111 | 4.8% | 7.3% | -61 | -0.2pp |
| 20 to 24 | 77 | 7.1% | 6.1% | 370 | 16.1% | 6.4% | -293 | -9.0pp |
| 25 to 29 | 106 | 9.7% | 7.0% | 361 | 15.7% | 5.9% | -255 | -6.0pp |
| 30 to 34 | 74 | 6.8% | 6.1% | 247 | 10.8% | 5.5% | -173 | -4.0pp |
| 35 to 39 | 82 | 7.5% | 5.8% | 132 | 5.7% | 5.5% | -50 | +1.8pp |
| 40 to 44 | 45 | 4.1% | 5.6% | 144 | 6.3% | 6.1% | -99 | -2.2pp |
| 45 to 49 | 73 | 6.7% | 6.3% | 121 | 5.3% | 6.7% | -48 | +1.4pp |
| 50 to 54 | 58 | 5.3% | 6.7% | 103 | 4.5% | 7.2% | -45 | +0.8pp |
| 55 to 59 | 81 | 7.4% | 6.8% | 110 | 4.8% | 6.9% | -29 | +2.6pp |
| 60 to 64 | 73 | 6.7% | 6.4% | 143 | 6.2% | 6.1% | -70 | +0.5pp |
| 65 to 69 | 59 | 5.4% | 5.4% | 118 | 5.1% | 5.8% | -59 | +0.3pp |
| 70 to 74 | 42 | 3.9% | 5.1% | 62 | 2.7% | 4.4% | -20 | +1.2pp |
| 75 to 79 | 26 | 2.4% | 3.6% | 47 | 2.0% | 3.5% | -21 | +0.4pp |
| 80 to 84 | 21 | 1.9% | 2.5% | 32 | 1.4% | 2.4% | -11 | +0.5pp |
| 85 and over | 11 | 1.0% | 2.2% | 45 | 2.0% | 2.3% | -34 | -1.0pp |
| Total | 1,088 | 100.0% | 100.0% | 2,296 | 100.0% | 100.0% | -1,208 | 0.0pp |