Powered by .id (informed decisions) for Frankston City
.id community is an evidence base for over 250 local government areas in Australia and New Zealand, helping you make informed decisions.
LEARN MORE ABOUT .idIn 2021, the largest age group in Seaford was 35 to 39 year olds. The group that changed the most since 1996 was 20 to 24 year olds, decreasing by 447 people.
The Age Structure of Seaford 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'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'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 - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Langwarrin % | Number | % | Langwarrin % | 1996 to 2021 |
| 0 to 4 | 1,176 | 6.9 | 6.4 | 1,144 | 7.1 | 9.9 | +31 |
| 5 to 9 | 1,007 | 5.9 | 6.7 | 1,057 | 6.5 | 9.4 | -50 |
| 10 to 14 | 849 | 5.0 | 6.8 | 1,100 | 6.8 | 8.8 | -251 |
| 15 to 19 | 780 | 4.6 | 6.1 | 1,158 | 7.2 | 7.5 | -378 |
| 20 to 24 | 790 | 4.6 | 5.5 | 1,236 | 7.7 | 6.7 | -447 |
| 25 to 29 | 1,012 | 5.9 | 6.0 | 1,258 | 7.8 | 8.6 | -246 |
| 30 to 34 | 1,315 | 7.7 | 7.0 | 1,126 | 7.0 | 10.0 | +188 |
| 35 to 39 | 1,425 | 8.4 | 7.4 | 1,192 | 7.4 | 9.5 | +232 |
| 40 to 44 | 1,246 | 7.3 | 6.7 | 1,199 | 7.4 | 8.6 | +46 |
| 45 to 49 | 1,273 | 7.5 | 6.7 | 1,270 | 7.9 | 7.3 | +3 |
| 50 to 54 | 1,159 | 6.8 | 6.9 | 999 | 6.2 | 4.3 | +160 |
| 55 to 59 | 998 | 5.9 | 6.6 | 809 | 5.0 | 2.9 | +189 |
| 60 to 64 | 1,027 | 6.0 | 5.9 | 642 | 4.0 | 1.8 | +384 |
| 65 to 69 | 843 | 4.9 | 4.8 | 557 | 3.4 | 2.1 | +286 |
| 70 to 74 | 780 | 4.6 | 4.0 | 527 | 3.3 | 1.2 | +252 |
| 75 to 79 | 606 | 3.6 | 2.8 | 411 | 2.5 | 0.8 | +195 |
| 80 to 84 | 386 | 2.3 | 1.8 | 278 | 1.7 | 0.3 | +108 |
| 85 and over | 359 | 2.1 | 1.6 | 183 | 1.1 | 0.2 | +176 |
| Total population | 17,031 | 100.0 | 100.0 | 16,151 | 100.0 | 100.0 | +879 |
Dominant groups
Analysis of the five year age groups of Seaford in 2021 compared to Langwarrin 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, 17.8% of the population was aged between 0 and 15, and 17.5% were aged 65 years and over, compared with 20.0% and 15.1% respectively for Langwarrin.
The major differences between the age structure of Seaford and Langwarrin were:
- A larger percentage of persons aged 35 to 39 (8.4% compared to 7.4%)
- A smaller percentage of persons aged 10 to 14 (5.0% compared to 6.8%)
- A smaller percentage of persons aged 15 to 19 (4.6% compared to 6.1%)
- A smaller percentage of persons aged 20 to 24 (4.6% compared to 5.5%)
Emerging groups
From 1996 to 2021, Seaford's population increased by 880 people (5.4%). This represents an average annual population change of 0.21% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 20 to 24 (-447 persons)
- 60 to 64 (+384 persons)
- 15 to 19 (-378 persons)
- 65 to 69 (+286 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. Stats NZ Data and the copyright in the Stats NZ Data remains the property of the Statistics New Zealand.
The copyright in the way .id has modified, transformed or reconfigured the Stats NZ Data as published on this website remains the property of .id. Stats NZ Data can be accessed on the Statistics New Zealand website at www.stats.govt.nz. Unless otherwise specified, content that Stats NZ produce is licensed under the Creative Commons Attribution 4.0 International licence. For further information see https://www.stats.govt.nz/about-us/copyright/.