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LEARN MORE ABOUT .idIn 2021, the largest age group in the Gosford Central District was 25 to 29 year olds. The group that changed the most since 2011 was 30 to 34 year olds, increasing by 421 people.
The Age Structure of the Gosford Central District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Gosford Central District'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 the Gosford Central District'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 | |||||||
|---|---|---|---|---|---|---|---|
| Gosford Central District - Total persons (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Blue Haven % | Number | % | Blue Haven % | 2011 to 2021 |
| 0 to 4 | 1,120 | 5.0 | 7.9 | 1,058 | 5.6 | 8.6 | +62 |
| 5 to 9 | 1,058 | 4.7 | 7.8 | 834 | 4.4 | 9.6 | +224 |
| 10 to 14 | 1,052 | 4.7 | 7.6 | 869 | 4.6 | 9.1 | +182 |
| 15 to 19 | 1,022 | 4.5 | 6.8 | 959 | 5.0 | 8.4 | +62 |
| 20 to 24 | 1,347 | 6.0 | 6.6 | 1,318 | 6.9 | 4.9 | +29 |
| 25 to 29 | 1,629 | 7.2 | 7.6 | 1,303 | 6.8 | 6.2 | +325 |
| 30 to 34 | 1,575 | 7.0 | 7.3 | 1,154 | 6.1 | 7.0 | +421 |
| 35 to 39 | 1,449 | 6.4 | 6.4 | 1,116 | 5.9 | 7.9 | +332 |
| 40 to 44 | 1,321 | 5.9 | 5.7 | 1,097 | 5.8 | 7.5 | +223 |
| 45 to 49 | 1,302 | 5.8 | 6.4 | 1,237 | 6.5 | 6.1 | +65 |
| 50 to 54 | 1,225 | 5.4 | 6.3 | 1,375 | 7.2 | 4.9 | -150 |
| 55 to 59 | 1,327 | 5.9 | 5.5 | 1,116 | 5.9 | 4.1 | +210 |
| 60 to 64 | 1,334 | 5.9 | 4.7 | 1,030 | 5.4 | 4.5 | +303 |
| 65 to 69 | 1,273 | 5.6 | 3.3 | 887 | 4.7 | 4.0 | +385 |
| 70 to 74 | 1,237 | 5.5 | 3.8 | 893 | 4.7 | 3.4 | +343 |
| 75 to 79 | 1,091 | 4.8 | 3.0 | 833 | 4.4 | 2.0 | +257 |
| 80 to 84 | 929 | 4.1 | 2.1 | 838 | 4.4 | 1.2 | +90 |
| 85 and over | 1,280 | 5.7 | 1.2 | 1,126 | 5.9 | 0.7 | +154 |
| Total population | 22,571 | 100.0 | 100.0 | 19,054 | 100.0 | 100.0 | +3,517 |
Dominant groups
Analysis of the five year age groups of the Gosford Central District in 2021 compared to Blue Haven 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, 14.3% of the population was aged between 0 and 15, and 25.7% were aged 65 years and over, compared with 23.3% and 13.5% respectively for Blue Haven.
The major differences between the age structure of the Gosford Central District and Blue Haven were:
- A larger percentage of persons aged 85 and over (5.7% compared to 1.2%)
- A smaller percentage of persons aged 5 to 9 (4.7% compared to 7.8%)
- A smaller percentage of persons aged 10 to 14 (4.7% compared to 7.6%)
- A smaller percentage of persons aged 0 to 4 (5.0% compared to 7.9%)
Emerging groups
From 2011 to 2021, Gosford Central District's population increased by 3,517 people (18.5%). This represents an average annual population change of 1.71% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 30 to 34 (+421 persons)
- 65 to 69 (+385 persons)
- 70 to 74 (+343 persons)
- 35 to 39 (+332 persons)
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