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City of OnkaparingaCommunity profile

Seaford Meadows

Five year age groups

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In 2021, the largest age group in Seaford Meadows was 30 to 34 year olds. The group that changed the most since 2001 was 30 to 34 year olds, increasing by 515 people.

The Age Structure of Seaford Meadows 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 Meadows'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 Meadows'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
Seaford Meadows - Total persons (Enumerated)20212001Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2001 to 2021
0 to 44498.95.4310.06.7+445
5 to 94348.66.338.47.7+431
10 to 143677.36.326.87.8+364
15 to 193136.25.938.28.0+310
20 to 243336.65.627.26.3+330
25 to 294869.65.938.36.3+483
30 to 3451810.26.338.67.0+515
35 to 394969.86.738.27.6+493
40 to 443557.06.226.28.1+353
45 to 493156.26.415.07.8+313
50 to 542384.76.626.27.6+236
55 to 591673.36.413.45.1+166
60 to 641663.36.314.43.6+164
65 to 691352.75.814.22.9+133
70 to 741422.85.602.12.8+141
75 to 79781.53.801.42.2+77
80 to 84350.72.300.81.4+35
85 and over330.72.200.51.0+33
Total population5,060100.0100.039100.0100.0+5,021
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 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 Seaford Meadows in 2021 compared to the City of Onkaparinga 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, 24.7% of the population was aged between 0 and 15, and 8.4% were aged 65 years and over, compared with 18.0% and 19.7% respectively for the City of Onkaparinga.

The major differences between the age structure of Seaford Meadows and the City of Onkaparinga were:

  • A larger percentage of persons aged 30 to 34 (10.2% compared to 6.3%)
  • A larger percentage of persons aged 25 to 29 (9.6% compared to 5.9%)
  • A larger percentage of persons aged 0 to 4 (8.9% compared to 5.4%)
  • A smaller percentage of persons aged 65 to 69 (2.7% compared to 5.8%)

Emerging groups

From 2001 to 2021, Seaford Meadows's population increased by 5,021 people (12874.4%). This represents an average annual population change of 27.54% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 30 to 34 (+515 persons)
  • 35 to 39 (+493 persons)
  • 25 to 29 (+483 persons)
  • 0 to 4 (+445 persons)

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