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City of WhittleseaCommunity profile

Mernda

Five year age groups

In 2021, the largest age group in Mernda was 35 to 39 year olds. The group that changed the most since 2006 was 35 to 39 year olds, increasing by 2,978 people.

The Age Structure of Mernda provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mernda'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 Mernda'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
Mernda - Total persons (Usual residence)20212006Change
Five year age groups (years)Number%City of Whittlesea %Number%City of Whittlesea %2006 to 2021
0 to 42,4439.37.2516.87.0+2,391
5 to 92,63210.07.5516.97.2+2,580
10 to 141,9547.56.5618.27.4+1,892
15 to 191,4345.55.7668.97.3+1,367
20 to 241,4335.56.3587.87.3+1,374
25 to 291,6546.37.2385.27.1+1,615
30 to 342,5159.68.5486.57.6+2,466
35 to 393,02811.58.9496.68.0+2,978
40 to 442,2948.77.3628.37.7+2,231
45 to 491,7816.86.4597.97.3+1,721
50 to 541,2914.95.8527.06.4+1,238
55 to 599683.75.2557.45.8+912
60 to 648643.34.7435.84.2+820
65 to 696922.64.0111.63.3+680
70 to 746152.33.5152.12.7+599
75 to 793491.32.3131.81.9+335
80 to 841930.71.610.31.1+191
85 and over840.31.560.90.7+77
Total population26,224100.0100.0755100.0100.0+25,469
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 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 Mernda in 2021 compared to the City of Whittlesea shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 26.8% of the population was aged between 0 and 15, and 7.4% were aged 65 years and over, compared with 21.2% and 12.9% respectively for the City of Whittlesea.

The major differences between the age structure of Mernda and the City of Whittlesea were:

  • A larger percentage of persons aged 35 to 39 (11.5% compared to 8.9%)
  • A larger percentage of persons aged 5 to 9 (10.0% compared to 7.5%)
  • A larger percentage of persons aged 0 to 4 (9.3% compared to 7.2%)
  • A smaller percentage of persons aged 55 to 59 (3.7% compared to 5.2%)

Emerging groups

From 2006 to 2021, Mernda's population increased by 25,469 people (3373.4%). This represents an average annual population change of 26.68% per year over the period.

The largest changes in age structure in this area between 2006 and 2021 were in the age groups:

  • 35 to 39 (+2,978 persons)
  • 5 to 9 (+2,580 persons)
  • 30 to 34 (+2,466 persons)
  • 0 to 4 (+2,391 persons)

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