Powered by .id (informed decisions) for Penrith City Council
.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 North St Marys was 25 to 29 year olds. The group that changed the most since 1996 was 85 and over year olds, increasing by 133 people.
The Age Structure of North St Marys provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of North St Marys'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 North St Marys'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 | |||||||
|---|---|---|---|---|---|---|---|
| North St Marys - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | St Marys % | Number | % | St Marys % | 1996 to 2021 |
| 0 to 4 | 267 | 6.5 | 8.2 | 311 | 7.9 | 7.8 | -44 |
| 5 to 9 | 303 | 7.4 | 6.9 | 378 | 9.6 | 7.2 | -75 |
| 10 to 14 | 291 | 7.1 | 6.1 | 320 | 8.2 | 6.6 | -30 |
| 15 to 19 | 281 | 6.9 | 5.0 | 292 | 7.4 | 7.0 | -11 |
| 20 to 24 | 288 | 7.1 | 6.6 | 290 | 7.4 | 8.9 | -2 |
| 25 to 29 | 315 | 7.7 | 8.5 | 338 | 8.6 | 8.5 | -23 |
| 30 to 34 | 283 | 6.9 | 8.5 | 288 | 7.4 | 7.0 | -6 |
| 35 to 39 | 277 | 6.8 | 7.9 | 263 | 6.7 | 6.9 | +13 |
| 40 to 44 | 208 | 5.1 | 6.8 | 238 | 6.1 | 6.6 | -31 |
| 45 to 49 | 239 | 5.9 | 6.2 | 242 | 6.2 | 6.6 | -4 |
| 50 to 54 | 242 | 5.9 | 5.8 | 241 | 6.1 | 5.3 | 0 |
| 55 to 59 | 254 | 6.2 | 5.5 | 232 | 5.9 | 4.6 | +21 |
| 60 to 64 | 190 | 4.7 | 4.8 | 199 | 5.1 | 4.0 | -9 |
| 65 to 69 | 157 | 3.8 | 4.1 | 137 | 3.5 | 4.2 | +20 |
| 70 to 74 | 149 | 3.6 | 3.5 | 93 | 2.4 | 4.0 | +55 |
| 75 to 79 | 111 | 2.7 | 2.4 | 26 | 0.7 | 2.9 | +84 |
| 80 to 84 | 92 | 2.3 | 1.7 | 29 | 0.8 | 1.3 | +62 |
| 85 and over | 136 | 3.3 | 1.5 | 3 | 0.1 | 0.6 | +133 |
| Total population | 4,083 | 100.0 | 100.0 | 3,929 | 100.0 | 100.0 | +154 |
Dominant groups
Analysis of the five year age groups of North St Marys in 2021 compared to St Marys shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 21.1% of the population was aged between 0 and 15, and 15.8% were aged 65 years and over, compared with 21.1% and 13.2% respectively for St Marys.
The major differences between the age structure of North St Marys and St Marys were:
- A larger percentage of persons aged 15 to 19 (6.9% compared to 5.0%)
- A larger percentage of persons aged 85 and over (3.3% compared to 1.5%)
- A smaller percentage of persons aged 40 to 44 (5.1% compared to 6.8%)
- A smaller percentage of persons aged 0 to 4 (6.5% compared to 8.2%)
Emerging groups
From 1996 to 2021, North St Marys's population increased by 154 people (3.9%). This represents an average annual population change of 0.15% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 85 and over (+133 persons)
- 75 to 79 (+84 persons)
- 5 to 9 (-75 persons)
- 80 to 84 (+62 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/.