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Moorabool ShireCommunity profile
Service age groups Five year age groups Age-sex pyramid

Bacchus Marsh and Surrounds

Service age groups

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In 2021, Bacchus Marsh and Surrounds had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than Australia.

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

Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.

To get a more complete picture Bacchus Marsh and Surrounds'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?'

Refers to:

Total population

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Age structure - Service age groups
Bacchus Marsh and Surrounds - Total persons (Usual residence)20212001Change
Service age group (years)Number%Australia %Number%Australia %2001 to 2021
Babies and pre-schoolers (0 to 4)1,5647.05.89917.86.6+573
Primary schoolers (5 to 11)2,2329.98.71,63612.910.0+595
Secondary schoolers (12 to 17)1,6637.47.21,31110.38.5+352
Tertiary education and independence (18 to 24)1,7167.68.51,0368.29.4+680
Young workforce (25 to 34)3,41215.214.31,68213.214.5+1,729
Parents and homebuilders (35 to 49)4,47719.920.23,00223.622.3+1,475
Older workers and pre-retirees (50 to 59)2,59411.512.41,36310.711.8+1,230
Empty nesters and retirees (60 to 69)2,25710.010.97425.87.7+1,514
Seniors (70 to 84)2,1679.610.07996.37.7+1,368
Elderly aged (85 and over)4131.82.11421.11.4+270
Total22,495100.0100.012,709100.0100.0+9,785
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
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Usual residence data). Compiled and presented in profile.id by .id (informed decisions).
Source: Australian Bureau of Statistics, Census of Population and Housing, 2001 and 2021 (Usual residence data). Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the service age groups of Bacchus Marsh and Surrounds in 2021 compared to Australia shows that there was a higher proportion of people in the younger age groups (0 to 17 years) and a lower proportion of people in the older age groups (60+ years).

Overall, 24.3% of the population was aged between 0 and 17, and 21.5% were aged 60 years and over, compared with 21.7% and 23.0% respectively for Australia.

The major differences between the age structure of Bacchus Marsh and Surrounds and Australia were:

  • A larger percentage of 'Babies and pre-schoolers' (7.0% compared to 5.8%)
  • A larger percentage of 'Primary schoolers' (9.9% compared to 8.7%)
  • A larger percentage of 'Young workforce' (15.2% compared to 14.3%)
  • A smaller percentage of 'Older workers & pre-retirees' (11.5% compared to 12.4%)

Emerging groups

From 2001 to 2021, Bacchus Marsh and Surrounds's population increased by 9,786 people (77.0%). This represents an average annual population change of 2.9% per year over the period.

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

  • Young workforce (25 to 34) (+1,729 people)
  • Empty nesters and retirees (60 to 69) (+1,514 people)
  • Parents and homebuilders (35 to 49) (+1,475 people)
  • Seniors (70 to 84) (+1,368 people)

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