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, 40 to 44 year olds was the largest age group among residents in Winston Hills (part), accounting for 7.9% (961 people). This share was higher than Parramatta (C) (7.5%). Since 2016, the biggest change was in 75 to 79 year olds, which increased by 231 people and 1.7 percentage points.
Section overview
Age structure - Five year age groups
Winston Hills (part) - Total persons (Usual residence)
This table summarises five year age groups for Winston Hills (part) in 2021 for persons, with comparison against Parramatta (C) and change since 2016.
Age structure - Five year age groups snapshot
2021 distribution by category for Winston Hills (part), with comparison markers for Parramatta (C).
0 to 4
2021 count
759
% of total
6.3%
Change from 2016
-0.8pp
759
6.3%
-0.8pp
5 to 9
2021 count
923
% of total
7.6%
Change from 2016
0.0pp
923
7.6%
0.0pp
10 to 14
2021 count
877
% of total
7.2%
Change from 2016
+0.4pp
877
7.2%
+0.4pp
15 to 19
2021 count
770
% of total
6.4%
Change from 2016
+0.9pp
770
6.4%
+0.9pp
20 to 24
2021 count
544
% of total
4.5%
Change from 2016
+0.1pp
544
4.5%
+0.1pp
25 to 29
2021 count
448
% of total
3.7%
Change from 2016
-0.7pp
448
3.7%
-0.7pp
30 to 34
2021 count
543
% of total
4.5%
Change from 2016
-1.6pp
543
4.5%
-1.6pp
35 to 39
2021 count
904
% of total
7.5%
Change from 2016
-0.2pp
904
7.5%
-0.2pp
40 to 44
2021 count
961
% of total
7.9%
Change from 2016
-0.1pp
961
7.9%
-0.1pp
45 to 49
2021 count
891
% of total
7.3%
Change from 2016
+0.4pp
891
7.3%
+0.4pp
50 to 54
2021 count
776
% of total
6.4%
Change from 2016
+0.6pp
776
6.4%
+0.6pp
55 to 59
2021 count
675
% of total
5.6%
Change from 2016
+0.4pp
675
5.6%
+0.4pp
60 to 64
2021 count
575
% of total
4.7%
Change from 2016
-0.2pp
575
4.7%
-0.2pp
65 to 69
2021 count
565
% of total
4.7%
Change from 2016
-0.6pp
565
4.7%
-0.6pp
70 to 74
2021 count
614
% of total
5.1%
Change from 2016
-0.8pp
614
5.1%
-0.8pp
75 to 79
2021 count
612
% of total
5.0%
Change from 2016
+1.7pp
612
5.0%
+1.7pp
80 to 84
2021 count
332
% of total
2.7%
Change from 2016
+0.2pp
332
2.7%
+0.2pp
85 and over
2021 count
349
% of total
2.9%
Change from 2016
+0.2pp
349
2.9%
+0.2pp
Chart view
Age structure - Five year age groups change
Absolute change in category counts between 2016 and 2021.
0 to 4
-69
-0.8pp
5 to 9
+34
0.0pp
10 to 14
+81
+0.4pp
15 to 19
+125
+0.9pp
20 to 24
+34
+0.1pp
25 to 29
-70
-0.7pp
30 to 34
-170
-1.6pp
35 to 39
+10
-0.2pp
40 to 44
+27
-0.1pp
45 to 49
+82
+0.4pp
50 to 54
+104
+0.6pp
55 to 59
+71
+0.4pp
60 to 64
+2
-0.2pp
65 to 69
-53
-0.6pp
70 to 74
-73
-0.8pp
75 to 79
+231
+1.7pp
80 to 84
+44
+0.2pp
85 and over
+35
+0.2pp
Data table
Five year age groups for Winston Hills (part). Age structure - Five year 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 | |
| 0 to 4 | 759 | 6.3% | 6.2% | 828 | 7.1% | 7.3% | -69 | -0.8pp |
| 5 to 9 | 923 | 7.6% | 6.5% | 889 | 7.6% | 6.2% | +34 | 0.0pp |
| 10 to 14 | 877 | 7.2% | 5.4% | 796 | 6.8% | 4.9% | +81 | +0.4pp |
| 15 to 19 | 770 | 6.4% | 4.5% | 645 | 5.5% | 5.1% | +125 | +0.9pp |
| 20 to 24 | 544 | 4.5% | 6.6% | 510 | 4.4% | 6.6% | +34 | +0.1pp |
| 25 to 29 | 448 | 3.7% | 9.1% | 518 | 4.4% | 9.2% | -70 | -0.7pp |
| 30 to 34 | 543 | 4.5% | 10.3% | 713 | 6.1% | 11.1% | -170 | -1.6pp |
| 35 to 39 | 904 | 7.5% | 10.2% | 894 | 7.7% | 8.8% | +10 | -0.2pp |
| 40 to 44 | 961 | 7.9% | 7.5% | 934 | 8.0% | 7.0% | +27 | -0.1pp |
| 45 to 49 | 891 | 7.3% | 6.1% | 809 | 6.9% | 6.0% | +82 | +0.4pp |
| 50 to 54 | 776 | 6.4% | 5.3% | 672 | 5.8% | 5.8% | +104 | +0.6pp |
| 55 to 59 | 675 | 5.6% | 5.0% | 604 | 5.2% | 5.3% | +71 | +0.4pp |
| 60 to 64 | 575 | 4.7% | 4.6% | 573 | 4.9% | 4.6% | +2 | -0.2pp |
| 65 to 69 | 565 | 4.7% | 3.9% | 618 | 5.3% | 3.8% | -53 | -0.6pp |
| 70 to 74 | 614 | 5.1% | 3.1% | 687 | 5.9% | 2.9% | -73 | -0.8pp |
| 75 to 79 | 612 | 5.0% | 2.3% | 381 | 3.3% | 2.2% | +231 | +1.7pp |
| 80 to 84 | 332 | 2.7% | 1.6% | 288 | 2.5% | 1.6% | +44 | +0.2pp |
| 85 and over | 349 | 2.9% | 1.6% | 314 | 2.7% | 1.7% | +35 | +0.2pp |
| Total | 12,123 | 100.0% | 100.0% | 11,674 | 100.0% | 100.0% | +449 | 0.0pp |