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

Bacchus Marsh Region

Service age groups

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In 2021, Bacchus Marsh Region had lower proportion of children (under 18) and a higher proportion of persons aged 60 or older than Merrimu - Hopetoun Park.

The Age Structure of Bacchus Marsh Region 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 Region'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 Region'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 Region - Total persons (Usual residence)20212016Change
Service age group (years)Number%Merrimu - Hopetoun Park %Number%Merrimu - Hopetoun Park %2016 to 2021
Babies and pre-schoolers (0 to 4)1,6996.63.81,4696.97.0+230
Primary schoolers (5 to 11)2,5589.911.12,17610.214.0+382
Secondary schoolers (12 to 17)1,9907.711.41,6587.89.3+331
Tertiary education and independence (18 to 24)1,9757.77.81,7888.48.1+186
Young workforce (25 to 34)3,65014.26.92,61612.38.6+1,033
Parents and homebuilders (35 to 49)5,19420.223.84,46821.025.0+725
Older workers and pre-retirees (50 to 59)3,10412.115.52,68612.612.9+418
Empty nesters and retirees (60 to 69)2,65210.310.92,38511.29.1+266
Seniors (70 to 84)2,4569.57.81,6897.95.1+767
Elderly aged (85 and over)4451.70.83511.70.9+93
Total25,723100.0100.021,291100.0100.0+4,432
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
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, 2016 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 Region in 2021 compared to Merrimu - Hopetoun Park shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).

Overall, 24.3% of the population was aged between 0 and 17, and 21.6% were aged 60 years and over, compared with 26.4% and 19.6% respectively for Merrimu - Hopetoun Park.

The major differences between the age structure of Bacchus Marsh Region and Merrimu - Hopetoun Park were:

  • A larger percentage of 'Young workforce' (14.2% compared to 6.9%)
  • A smaller percentage of 'Secondary schoolers' (7.7% compared to 11.4%)
  • A smaller percentage of 'Parents and homebuilders' (20.2% compared to 23.8%)
  • A smaller percentage of 'Older workers & pre-retirees' (12.1% compared to 15.5%)

Emerging groups

From 2016 to 2021, Bacchus Marsh Region's population increased by 4,432 people (20.8%). This represents an average annual population change of 3.85% per year over the period.

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

  • Young workforce (25 to 34) (+1,033 people)
  • Seniors (70 to 84) (+767 people)
  • Parents and homebuilders (35 to 49) (+725 people)
  • Older workers and pre-retirees (50 to 59) (+418 people)

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