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Mornington Peninsula ShireCommunity profile

Bittern - Crib Point

Five year age groups

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In 2021, the largest age group in Bittern - Crib Point was 55 to 59 year olds. The group that changed the most since 2001 was 70 to 74 year olds, increasing by 345 people.

The Age Structure of Bittern - Crib Point provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Bittern - Crib Point'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 Bittern - Crib Point'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
Bittern - Crib Point - Total persons (Enumerated)20212001Change
Five year age groups (years)Number%Mornington Peninsula Shire %Number%Mornington Peninsula Shire %2001 to 2021
0 to 44215.74.74147.46.2+7
5 to 94516.15.65099.27.2-59
10 to 144886.66.257610.47.4-89
15 to 194446.05.84397.96.7+4
20 to 243494.74.72975.45.0+51
25 to 294225.74.13386.15.2+84
30 to 344556.14.73997.26.3+55
35 to 394526.15.25189.37.0-67
40 to 444065.55.55119.27.5-105
45 to 494816.56.53997.26.7+81
50 to 545247.17.03316.06.6+192
55 to 595257.16.72173.95.8+308
60 to 645247.16.91933.55.0+331
65 to 694596.26.81412.54.6+318
70 to 744456.06.91001.84.6+345
75 to 793354.55.5881.63.9+246
80 to 841371.93.6500.92.5+86
85 and over811.13.6330.61.9+48
Total population7,399100.0100.05,561100.0100.0+1,838
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 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 Bittern - Crib Point in 2021 compared to Mornington Peninsula Shire 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, 18.4% of the population was aged between 0 and 15, and 19.7% were aged 65 years and over, compared with 16.6% and 26.3% respectively for Mornington Peninsula Shire.

The major differences between the age structure of Bittern - Crib Point and Mornington Peninsula Shire were:

  • A larger percentage of persons aged 25 to 29 (5.7% compared to 4.1%)
  • A larger percentage of persons aged 30 to 34 (6.1% compared to 4.7%)
  • A smaller percentage of persons aged 85 and over (1.1% compared to 3.6%)
  • A smaller percentage of persons aged 80 to 84 (1.9% compared to 3.6%)

Emerging groups

From 2001 to 2021, Bittern - Crib Point's population increased by 1,838 people (33.1%). This represents an average annual population change of 1.44% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 70 to 74 (+345 persons)
  • 60 to 64 (+331 persons)
  • 65 to 69 (+318 persons)
  • 55 to 59 (+308 persons)

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