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.

Key insight

In 2021, 60 to 64 year olds was the largest age group among residents in Coorabell, accounting for 13.9% (67 people). This share was higher than Byron (A) (7.5%). Since 2016, the biggest change was in 60 to 64 year olds, which increased by 27 people and 4.4 percentage points.

Section overview

Age structure - Five year age groups

Coorabell - Total persons (Usual residence)

This table summarises five year age groups for Coorabell in 2021 for persons, with comparison against Byron (A) and change since 2016.

Age structure - Five year age groups snapshot

2021 distribution by category for Coorabell, with comparison markers for Byron (A).

Coorabell
Byron (A)

0 to 4

2021 count

28

% of total

5.8%

Change from 2016

+2.7pp

5 to 9

2021 count

31

% of total

6.4%

Change from 2016

+0.9pp

10 to 14

2021 count

26

% of total

5.4%

Change from 2016

-2.5pp

15 to 19

2021 count

17

% of total

3.5%

Change from 2016

-1.5pp

20 to 24

2021 count

13

% of total

2.7%

Change from 2016

+1.5pp

25 to 29

2021 count

16

% of total

3.3%

Change from 2016

-0.5pp

30 to 34

2021 count

31

% of total

6.4%

Change from 2016

+1.4pp

35 to 39

2021 count

32

% of total

6.7%

Change from 2016

+2.2pp

40 to 44

2021 count

37

% of total

7.7%

Change from 2016

-0.2pp

45 to 49

2021 count

23

% of total

4.8%

Change from 2016

-5.4pp

50 to 54

2021 count

30

% of total

6.2%

Change from 2016

-0.9pp

55 to 59

2021 count

48

% of total

10.0%

Change from 2016

-2.4pp

60 to 64

2021 count

67

% of total

13.9%

Change from 2016

+4.4pp

65 to 69

2021 count

52

% of total

10.8%

Change from 2016

+1.3pp

70 to 74

2021 count

30

% of total

6.2%

Change from 2016

+4.1pp

75 to 79

2021 count

3

% of total

0.6%

Change from 2016

-0.4pp

80 to 84

2021 count

4

% of total

0.8%

Change from 2016

-0.2pp

85 and over

2021 count

0

% of total

0.0%

Change from 2016

-3.1pp

Data table

Five year age groups for Coorabell. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Byron (A).

Five year age groups for Coorabell. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Byron (A).
Five year age groups for Coorabell. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Byron (A).
Category20212016Change
Count%Byron (A)%Count%Byron (A)%Countpp
0 to 4285.8%4.8%133.1%4.9%+15+2.7pp
5 to 9316.4%5.5%235.5%5.9%+8+0.9pp
10 to 14265.4%5.8%337.9%6.0%-7-2.5pp
15 to 19173.5%4.7%215.0%5.1%-4-1.5pp
20 to 24132.7%4.1%51.2%3.8%+8+1.5pp
25 to 29163.3%5.9%163.8%5.2%0-0.5pp
30 to 34316.4%7.6%215.0%5.5%+10+1.4pp
35 to 39326.7%7.3%194.5%6.3%+13+2.2pp
40 to 44377.7%6.9%337.9%7.6%+4-0.2pp
45 to 49234.8%7.5%4310.2%7.6%-20-5.4pp
50 to 54306.2%6.9%307.1%7.9%0-0.9pp
55 to 594810.0%6.9%5212.4%8.7%-4-2.4pp
60 to 646713.9%7.5%409.5%8.7%+27+4.4pp
65 to 695210.8%7.1%409.5%6.6%+12+1.3pp
70 to 74306.2%5.3%92.1%4.0%+21+4.1pp
75 to 7930.6%2.9%41.0%2.4%-1-0.4pp
80 to 8440.8%1.6%41.0%1.6%0-0.2pp
85 and over00.0%1.6%133.1%2.2%-13-3.1pp
Total481100.0%100.0%420100.0%100.0%+610.0pp