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Seaford Rise - Seaford Heights

Five year age groups

In 2021, the largest age group in Seaford Rise - Seaford Heights was 10 to 14 year olds. The group that changed the most since 2011 was 55 to 59 year olds, increasing by 184 people.

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

Total population

Age structure - Five year age groups
Seaford Rise - Seaford Heights - Total persons (Usual residence)20212011Change
Five year age groups (years)Number%Willunga and Surrounds %Number%Willunga and Surrounds %2011 to 2021
0 to 44676.54.04137.75.2+54
5 to 95267.36.43987.46.9+128
10 to 145517.76.33967.48.2+155
15 to 194366.15.93736.98.3+63
20 to 244075.74.92875.33.3+120
25 to 295057.03.53286.12.3+177
30 to 344636.53.53696.94.0+94
35 to 395307.44.73867.25.6+144
40 to 444876.86.54237.98.8+64
45 to 494536.37.34067.58.1+47
50 to 544966.98.53266.19.5+170
55 to 594566.47.62725.17.6+184
60 to 643404.78.72664.97.0+74
65 to 693284.67.82434.55.3+85
70 to 742823.96.31572.94.6+125
75 to 792253.14.01282.42.9+97
80 to 841191.72.51392.61.5-20
85 and over981.41.5711.31.1+27

Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2021. Compiled and presented by .id (informed decisions).

Age structure - five year age groups, 2021
Age structure - five year age groups, 2021 85 and over, Willunga and Surrounds: 1.5% 80 to 84, Willunga and Surrounds: 2.5% 75 to 79, Willunga and Surrounds: 4.0% 70 to 74, Willunga and Surrounds: 6.3% 65 to 69, Willunga and Surrounds: 7.8% 60 to 64, Willunga and Surrounds: 8.7% 55 to 59, Willunga and Surrounds: 7.6% 50 to 54, Willunga and Surrounds: 8.5% 45 to 49, Willunga and Surrounds: 7.3% 40 to 44, Willunga and Surrounds: 6.5% 35 to 39, Willunga and Surrounds: 4.7% 30 to 34, Willunga and Surrounds: 3.5% 25 to 29, Willunga and Surrounds: 3.5% 20 to 24, Willunga and Surrounds: 4.9% 15 to 19, Willunga and Surrounds: 5.9% 10 to 14, Willunga and Surrounds: 6.3% 5 to 9, Willunga and Surrounds: 6.4% 0 to 4, Willunga and Surrounds: 4.0% 85 and over, Seaford Rise - Seaford Heights: 1.4% 80 to 84, Seaford Rise - Seaford Heights: 1.7% 75 to 79, Seaford Rise - Seaford Heights: 3.1% 70 to 74, Seaford Rise - Seaford Heights: 3.9% 65 to 69, Seaford Rise - Seaford Heights: 4.6% 60 to 64, Seaford Rise - Seaford Heights: 4.7% 55 to 59, Seaford Rise - Seaford Heights: 6.4% 50 to 54, Seaford Rise - Seaford Heights: 6.9% 45 to 49, Seaford Rise - Seaford Heights: 6.3% 40 to 44, Seaford Rise - Seaford Heights: 6.8% 35 to 39, Seaford Rise - Seaford Heights: 7.4% 30 to 34, Seaford Rise - Seaford Heights: 6.5% 25 to 29, Seaford Rise - Seaford Heights: 7.0% 20 to 24, Seaford Rise - Seaford Heights: 5.7% 15 to 19, Seaford Rise - Seaford Heights: 6.1% 10 to 14, Seaford Rise - Seaford Heights: 7.7% 5 to 9, Seaford Rise - Seaford Heights: 7.3% 0 to 4, Seaford Rise - Seaford Heights: 6.5%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).
Change in age structure - five year age groups, 2011 to 2021
Change in age structure - five year age groups, 2011 to 2021 85 and over, Seaford Rise - Seaford Heights: +27 80 to 84, Seaford Rise - Seaford Heights: -20 75 to 79, Seaford Rise - Seaford Heights: +97 70 to 74, Seaford Rise - Seaford Heights: +125 65 to 69, Seaford Rise - Seaford Heights: +85 60 to 64, Seaford Rise - Seaford Heights: +74 55 to 59, Seaford Rise - Seaford Heights: +184 50 to 54, Seaford Rise - Seaford Heights: +170 45 to 49, Seaford Rise - Seaford Heights: +47 40 to 44, Seaford Rise - Seaford Heights: +64 35 to 39, Seaford Rise - Seaford Heights: +144 30 to 34, Seaford Rise - Seaford Heights: +94 25 to 29, Seaford Rise - Seaford Heights: +177 20 to 24, Seaford Rise - Seaford Heights: +120 15 to 19, Seaford Rise - Seaford Heights: +63 10 to 14, Seaford Rise - Seaford Heights: +155 5 to 9, Seaford Rise - Seaford Heights: +128 0 to 4, Seaford Rise - Seaford Heights: +54
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 and 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the five year age groups of Seaford Rise - Seaford Heights in 2021 compared to Willunga and Surrounds 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, 21.5% of the population was aged between 0 and 15, and 14.7% were aged 65 years and over, compared with 16.8% and 22.2% respectively for Willunga and Surrounds.

The major differences between the age structure of Seaford Rise - Seaford Heights and Willunga and Surrounds were:

  • A larger percentage of persons aged 25 to 29 (7.0% compared to 3.5%)
  • A larger percentage of persons aged 30 to 34 (6.5% compared to 3.5%)
  • A smaller percentage of persons aged 60 to 64 (4.7% compared to 8.7%)
  • A smaller percentage of persons aged 65 to 69 (4.6% compared to 7.8%)

Emerging groups

From 2011 to 2021, Seaford Rise - Seaford Heights's population increased by 1,784 people (33.1%). This represents an average annual population change of 2.9% per year over the period.

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

  • 55 to 59 (+184 persons)
  • 25 to 29 (+177 persons)
  • 50 to 54 (+170 persons)
  • 10 to 14 (+155 persons)

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