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, 10 to 14 year olds was the largest age group among residents in Strathmore (Vic.), accounting for 8.4% (751 people). This share was higher than Moonee Valley (C) (5.5%). Since 2016, the biggest change was in 65 to 69 year olds, which increased by 133 people and 1.2 percentage points.

Section overview

Age structure - Five year age groups

Strathmore (Vic.) - Total persons (Usual residence)

This table summarises five year age groups for Strathmore (Vic.) in 2021 for persons, with comparison against Moonee Valley (C) and change since 2016.

Age structure - Five year age groups change

Absolute change in category counts between 2016 and 2021.

2016
2021

0 to 4

-39

-0.7pp

5 to 9

-2

-0.4pp

10 to 14

+94

+0.6pp

15 to 19

+106

+0.7pp

20 to 24

+1

-0.4pp

25 to 29

+18

-0.1pp

30 to 34

+42

+0.2pp

35 to 39

-11

-0.5pp

40 to 44

-5

-0.6pp

45 to 49

+60

+0.2pp

50 to 54

+54

+0.1pp

55 to 59

+49

+0.1pp

60 to 64

+9

-0.3pp

65 to 69

+133

+1.2pp

70 to 74

+111

+1.1pp

75 to 79

+3

-0.1pp

80 to 84

-15

-0.3pp

85 and over

-37

-0.5pp

Data table

Five year age groups for Strathmore (Vic.). Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Moonee Valley (C).

Five year age groups for Strathmore (Vic.). Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Moonee Valley (C).
Five year age groups for Strathmore (Vic.). Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Moonee Valley (C).
Category20212016Change
Count%Moonee Valley (C)%Count%Moonee Valley (C)%Countpp
0 to 43694.1%5.0%4084.8%5.7%-39-0.7pp
5 to 95836.5%5.5%5856.9%5.7%-2-0.4pp
10 to 147518.4%5.5%6577.8%5.4%+94+0.6pp
15 to 197027.8%5.3%5967.1%5.4%+106+0.7pp
20 to 245686.3%6.3%5676.7%6.8%+1-0.4pp
25 to 294314.8%7.4%4134.9%7.9%+18-0.1pp
30 to 343974.4%7.7%3554.2%8.1%+42+0.2pp
35 to 395025.6%7.5%5136.1%7.1%-11-0.5pp
40 to 446567.3%6.9%6617.9%7.2%-5-0.6pp
45 to 497117.9%6.9%6517.7%7.3%+60+0.2pp
50 to 547127.9%6.9%6587.8%6.3%+54+0.1pp
55 to 596387.1%6.0%5897.0%5.9%+49+0.1pp
60 to 645486.1%5.5%5396.4%5.1%+9-0.3pp
65 to 695025.6%4.7%3694.4%4.5%+133+1.2pp
70 to 743564.0%4.2%2452.9%3.5%+111+1.1pp
75 to 792142.4%3.2%2112.5%3.1%+3-0.1pp
80 to 841701.9%2.5%1852.2%2.4%-15-0.3pp
85 and over1862.1%2.7%2232.6%2.5%-37-0.5pp
Total8,980100.0%100.0%8,419100.0%100.0%+5610.0pp