idc-logo
svg rectangle color
City of BrimbankCommunity profile

Delahey

Five year age groups

In 2021, the largest age group in Delahey was 25 to 29 year olds. The group that changed the most since 2016 was 20 to 24 year olds, decreasing by 168 people.

The Age Structure of Delahey provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Delahey's residential role and function and how it is likely to change in the future.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture Delahey's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Q:

Derived from the Census question:

'What is the person's date of birth or age?'

Age structure - Five year age groups
Delahey - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Keilor Park & District %Number%Keilor Park & District %2016 to 2021
0 to 44365.45.74655.67.1-29
5 to 94305.36.34795.75.3-49
10 to 144295.35.75066.14.6-77
15 to 194816.04.66077.34.4-126
20 to 245817.24.37499.05.0-168
25 to 296478.05.36017.25.6+46
30 to 345596.96.06107.35.8-51
35 to 395486.86.54675.67.7+81
40 to 444165.16.65216.37.6-105
45 to 494846.07.76407.75.7-156
50 to 546087.55.46698.05.1-61
55 to 596097.54.96067.34.9+3
60 to 645877.35.04935.95.4+94
65 to 694896.15.03414.18.9+148
70 to 743464.38.02473.07.6+99
75 to 792182.76.71331.65.1+85
80 to 841161.43.9931.12.7+23
85 and over961.22.41051.31.5-9
Total population8,080100.0100.08,332100.0100.0-252
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Delahey in 2021 compared to the Keilor Park & District shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).

Overall, 16.0% of the population was aged between 0 and 15, and 15.7% were aged 65 years and over, compared with 17.7% and 26.0% respectively for the Keilor Park & District.

The major differences between the age structure of Delahey and the Keilor Park & District were:

  • A larger percentage of persons aged 20 to 24 (7.2% compared to 4.3%)
  • A larger percentage of persons aged 25 to 29 (8.0% compared to 5.3%)
  • A smaller percentage of persons aged 75 to 79 (2.7% compared to 6.7%)
  • A smaller percentage of persons aged 70 to 74 (4.3% compared to 8.0%)

Emerging groups

From 2016 to 2021, Delahey's population decreased by 252 people (3.0%). This represents an average annual population change of -0.61% per year over the period.

The largest changes in age structure in this area between 2016 and 2021 were in the age groups:

  • 20 to 24 (-168 persons)
  • 45 to 49 (-156 persons)
  • 65 to 69 (+148 persons)
  • 15 to 19 (-126 persons)

DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.

Please view our Privacy Policy, Terms of use and Legal notices. Stats NZ Data and the copyright in the Stats NZ Data remains the property of the Statistics New Zealand.

The copyright in the way .id has modified, transformed or reconfigured the Stats NZ Data as published on this website remains the property of .id. Stats NZ Data can be accessed on the Statistics New Zealand website at www.stats.govt.nz. Unless otherwise specified, content that Stats NZ produce is licensed under the Creative Commons Attribution 4.0 International licence. For further information see https://www.stats.govt.nz/about-us/copyright/.