idc-logo
svg rectangle color
City of RockinghamCommunity profile

Secret Harbour

Five year age groups

In 2021, the largest age group in Secret Harbour was 10 to 14 year olds. The group that changed the most since 2011 was 50 to 54 year olds, increasing by 568 people.

The Age Structure of Secret Harbour provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Secret Harbour'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 Secret Harbour'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
Secret Harbour - Total persons (Usual residence)20212011Change
Five year age groups (years)Number%Rockingham Ward %Number%Rockingham Ward %2011 to 2021
0 to 48026.44.71,0119.76.9-209
5 to 91,0518.45.11,04610.05.5+5
10 to 141,28710.35.81,06710.26.0+220
15 to 191,1279.05.49158.86.8+212
20 to 247385.96.75645.46.7+174
25 to 296114.96.35925.76.7+19
30 to 347045.66.08037.76.0-99
35 to 399227.45.81,0229.86.1-100
40 to 441,0808.75.41,11810.76.7-38
45 to 491,0768.66.09148.86.8+162
50 to 541,0548.47.04864.76.9+568
55 to 597876.37.22952.86.0+492
60 to 644333.56.92612.55.8+172
65 to 692932.36.31471.44.7+146
70 to 742351.95.51061.04.2+129
75 to 791621.34.1380.43.5+124
80 to 84690.63.0210.22.7+48
85 and over460.42.890.12.0+37
Total population12,477100.0100.010,415100.0100.0+2,062
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Secret Harbour in 2021 compared to Rockingham Ward 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, 25.2% of the population was aged between 0 and 15, and 6.5% were aged 65 years and over, compared with 15.7% and 21.8% respectively for Rockingham Ward.

The major differences between the age structure of Secret Harbour and Rockingham Ward were:

  • A larger percentage of persons aged 10 to 14 (10.3% compared to 5.8%)
  • A larger percentage of persons aged 15 to 19 (9.0% compared to 5.4%)
  • A smaller percentage of persons aged 65 to 69 (2.3% compared to 6.3%)
  • A smaller percentage of persons aged 70 to 74 (1.9% compared to 5.5%)

Emerging groups

From 2011 to 2021, Secret Harbour's population increased by 2,062 people (19.8%). This represents an average annual population change of 1.82% per year over the period.

The largest changes in age structure in this area between 2011 and 2021 were in the age groups:

  • 50 to 54 (+568 persons)
  • 55 to 59 (+492 persons)
  • 10 to 14 (+220 persons)
  • 15 to 19 (+212 persons)

DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.

Please view our Privacy Policy, Terms of use and Legal notices.

ABS Data and the copyright in the ABS Data remains the property of the Australian Bureau of Statistics. The copyright in the way .id has modified, transformed or reconfigured the ABS Data as published on this website remains the property of .id. ABS Data can be accessed from the Australian Bureau of Statistics at www.abs.gov.au. ABS data can be used under license - terms published on ABS website. intermediary.management@abs.gov.au if you have any queries or wish to distribute any ABS data.