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City of BaysideCommunity profile

We’re continuing to update these pages with data from the 2016 Census. Read more about our updates.

Black Rock

Five year age groups

This topic has been updated with 2016 Census data for all areas. What's this?

There were 234 people over the age of 85 living in Black Rock in 2016, with largest age group being 45 to 49 year olds.

The Age Structure of Black Rock provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Black Rock'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 Black Rock'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
Black Rock - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%City of Bayside %Number%City of Bayside %2011 to 2016
0 to 42654531356-48
5 to 93806741377-33
10 to 144838737467110
15 to 19351663285623
20 to 242734528255-9
25 to 291963421544-19
30 to 342424425844-16
35 to 393035530756-5
40 to 444157749388-78
45 to 49563994948869
50 to 54495884257869
55 to 5944777442775
60 to 6443876432766
65 to 694607635665104
70 to 743466422543121
75 to 792113322043-9
80 to 841803223843-58
85 and over23444228447
Total population6,2901001006,052100100239
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Black Rock in 2016 compared to City of Bayside shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 18.0% of the population was aged between 0 and 15, and 22.8% were aged 65 years and over, compared with 19.0% and 19.2% respectively for City of Bayside.

The major differences between the age structure of Black Rock and City of Bayside were:

  • A larger percentage of persons aged 65 to 69 (7.3% compared to 5.6%)
  • A larger percentage of persons aged 70 to 74 (5.5% compared to 4.4%)
  • A larger percentage of persons aged 60 to 64 (7.0% compared to 5.9%)
  • A smaller percentage of persons aged 0 to 4 (4.2% compared to 5.1%)

Emerging groups

From 2011 to 2016, Black Rock's population increased by 238 people (3.9%). This represents an average annual population change of 0.77% per year over the period.

The largest changes in age structure in this area between 2011 and 2016 were in the age groups:

  • 70 to 74 (+121 persons)
  • 10 to 14 (+110 persons)
  • 65 to 69 (+104 persons)
  • 40 to 44 (-78 persons)

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