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City of UnleyCommunity profile

2016 Census data has been released and we are busy processing it to update this website. View our latest releases here.


Five year age groups

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

There were 35 people over the age of 85 living in Highgate in 2016, with largest age group being 20 to 24 year olds.

The Age Structure of Highgate provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Highgate'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 Highgate'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?'

Age structure - Five year age groups
Highgate - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%City of Unley %Number%City of Unley %2011 to 2016
0 to 4663.94.7815.35.4-15
5 to 91126.65.71258.25.6-13
10 to 141207.05.5986.55.1+21
15 to 191448.55.81258.25.6+20
20 to 241579.26.8996.57.7+58
25 to 291116.57.0775.17.4+33
30 to 34774.56.6754.96.5+2
35 to 39925.46.41087.16.9-16
40 to 441106.46.71288.47.1-18
45 to 491317.76.71127.36.9+20
50 to 541217.16.41187.76.9+3
55 to 591227.26.3885.86.8+34
60 to 64895.26.2956.25.9-6
65 to 69895.25.6654.34.0+24
70 to 74563.33.9372.43.1+19
75 to 79462.73.0342.32.5+12
80 to 84251.52.3231.52.7+2
85 and over352.14.3342.34.1+1
Total population1,710100.0100.01,529100.0100.0+181
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 Highgate in 2016 compared to City of Unley 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, 17.5% of the population was aged between 0 and 15, and 14.8% were aged 65 years and over, compared with 15.9% and 19.2% respectively for City of Unley.

The major differences between the age structure of Highgate and City of Unley were:

  • A larger percentage of persons aged 15 to 19 (8.5% compared to 5.8%)
  • A larger percentage of persons aged 20 to 24 (9.2% compared to 6.8%)
  • A smaller percentage of persons aged 85 and over (2.1% compared to 4.3%)
  • A smaller percentage of persons aged 30 to 34 (4.5% compared to 6.6%)

Emerging groups

From 2011 to 2016, Highgate's population increased by 181 people (11.8%). This represents an average annual population change of 2.26% per year over the period.

The largest change in age structure in this area between 2011 and 2016 was in the age group:

  • 20 to 24 (+58 persons)