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Boronia had a similar proportion of pre-schoolers and a higher proportion of persons at post retirement age than the City of Knox in 2011.

The Age Structure of Boronia provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Boronia'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 Boronia's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Derived from the Census question:

'What is the person's date of birth (or age last birthday)?'

Total population

Age structure - Service age groups
Boronia - Total persons (Usual residence)20112006Change
Service age group (years)Number%City of Knox %Number%City of Knox %2006 to 2011
map this data in atlas.idBabies and pre-schoolers (0 to 4)1,2756.16.01,1525.76.1+124
map this data in atlas.idPrimary schoolers (5 to 11)1,5177.38.51,7748.79.6-257
map this data in atlas.idSecondary schoolers (12 to 17)1,3136.38.31,5397.69.4-226
map this data in atlas.idTertiary education and independence (18 to 24)1,9379.39.91,9079.49.9+31
map this data in atlas.idYoung workforce (25 to 34)3,16115.112.62,90114.312.7+260
map this data in atlas.idParents and homebuilders (35 to 49)4,31920.722.04,25820.923.3+61
map this data in atlas.idOlder workers and pre-retirees (50 to 59)2,72713.114.12,78713.713.8-60
map this data in atlas.idEmpty nesters and retirees (60 to 69)2,29611.010.01,9709.77.9+326
map this data in atlas.idSeniors (70 to 84)1,9199.26.91,6848.35.9+235
map this data in atlas.idElderly aged (85 and over)4222.01.73561.81.4+66

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Age structure - service age groups, 2011
Age structure - service age groups, 2011 Babies and pre-schoolers (0 to 4), City of Knox: 6.0% Primary schoolers (5 to 11), City of Knox: 8.5% Secondary schoolers (12 to 17), City of Knox: 8.3% Tertiary education and independence (18 to 24), City of Knox: 9.9% Young workforce (25 to 34), City of Knox: 12.6% Parents and homebuilders (35 to 49), City of Knox: 22.0% Older workers and pre-retirees (50 to 59), City of Knox: 14.1% Empty nesters and retirees (60 to 69), City of Knox: 10.0% Seniors (70 to 84), City of Knox: 6.9% Elderly aged (85 and over), City of Knox: 1.7% Babies and pre-schoolers (0 to 4), Boronia: 6.1% Primary schoolers (5 to 11), Boronia: 7.3% Secondary schoolers (12 to 17), Boronia: 6.3% Tertiary education and independence (18 to 24), Boronia: 9.3% Young workforce (25 to 34), Boronia: 15.1% Parents and homebuilders (35 to 49), Boronia: 20.7% Older workers and pre-retirees (50 to 59), Boronia: 13.1% Empty nesters and retirees (60 to 69), Boronia: 11.0% Seniors (70 to 84), Boronia: 9.2% Elderly aged (85 and over), Boronia: 2.0%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - service age groups, 2006 to 2011
Change in age structure - service age groups, 2006 to 2011 Babies and pre-schoolers (0 to 4), Boronia: +124 Primary schoolers (5 to 11), Boronia: -257 Secondary schoolers (12 to 17), Boronia: -226 Tertiary education and independence (18 to 24), Boronia: +31 Young workforce (25 to 34), Boronia: +260 Parents and homebuilders (35 to 49), Boronia: +61 Older workers and pre-retirees (50 to 59), Boronia: -60 Empty nesters and retirees (60 to 69), Boronia: +326 Seniors (70 to 84), Boronia: +235 Elderly aged (85 and over), Boronia: +66
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the service age groups of Boronia in 2011 compared to the City of Knox 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, 19.7% of the population was aged between 0 and 17, and 22.2% were aged 60 years and over, compared with 22.8% and 18.6% respectively for the City of Knox.

The major differences between the age structure of Boronia and the City of Knox were:

  • A larger percentage of 'Young workforce' (15.1% compared to 12.6%)
  • A larger percentage of 'Seniors' (9.2% compared to 6.9%)
  • A smaller percentage of 'Secondary schoolers' (6.3% compared to 8.3%)
  • A smaller percentage of 'Parents and homebuilders' (20.7% compared to 22.0%)

Emerging groups

From 2006 to 2011, Boronia's population increased by 560 people (2.8%). This represents an average annual population change of 0.55% per year over the period.

The largest changes in the age structure in this area between 2006 and 2011 were in the age groups:

  • Empty nesters and retirees (60 to 69) (+326 people)
  • Young workforce (25 to 34) (+260 people)
  • Primary schoolers (5 to 11) (-257 people)
  • Seniors (70 to 84) (+235 people)