Blairmount
Five year age groups
In 2021, the largest age group in Blairmount was 5 to 9 year olds. The group that changed the most since 1991 was 15 to 19 year olds, decreasing by 227 people.
The Age Structure of Blairmount provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Blairmount'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 Blairmount'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 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Blairmount - Total persons (Enumerated) | 2021 | 1991 | Change | |||||
| Five year age groups (years) | Number | % | Campbelltown City % | Number | % | Campbelltown City % | 1991 to 2021 | |
| 0 to 4 | 25 | 6.2 | 7.4 | 35 | 5.7 | 10.8 | -10 | 2001 |
| 5 to 9 | 37 | 9.1 | 7.6 | 15 | 2.5 | 10.8 | +22 | 2002 |
| 10 to 14 | 32 | 7.9 | 7.0 | 128 | 21.0 | 10.0 | -96 | 2003 |
| 15 to 19 | 22 | 5.4 | 6.2 | 249 | 40.8 | 9.2 | -227 | 2004 |
| 20 to 24 | 28 | 6.9 | 6.4 | 37 | 6.1 | 7.5 | -9 | 2005 |
| 25 to 29 | 31 | 7.7 | 6.9 | 26 | 4.3 | 8.2 | +5 | 2006 |
| 30 to 34 | 35 | 8.6 | 7.6 | 37 | 6.1 | 9.4 | -2 | 2007 |
| 35 to 39 | 26 | 6.4 | 8.2 | 11 | 1.8 | 8.7 | +15 | 2008 |
| 40 to 44 | 27 | 6.7 | 6.9 | 23 | 3.8 | 8.0 | +4 | 2009 |
| 45 to 49 | 14 | 3.5 | 6.1 | 20 | 3.3 | 5.2 | -6 | 2010 |
| 50 to 54 | 26 | 6.4 | 5.4 | 9 | 1.5 | 3.5 | +17 | 2011 |
| 55 to 59 | 25 | 6.2 | 5.7 | 12 | 2.0 | 2.4 | +13 | 2012 |
| 60 to 64 | 25 | 6.2 | 5.3 | 0 | 0.0 | 2.0 | +25 | 2013 |
| 65 to 69 | 20 | 4.9 | 4.6 | 5 | 0.8 | 1.7 | +15 | 2014 |
| 70 to 74 | 14 | 3.5 | 3.8 | 0 | 0.0 | 1.2 | +14 | 2015 |
| 75 to 79 | 8 | 2.0 | 2.4 | 0 | 0.0 | 0.8 | +8 | 2016 |
| 80 to 84 | 6 | 1.5 | 1.4 | 3 | 0.5 | 0.4 | +3 | 2017 |
| 85 and over | 4 | 1.0 | 1.1 | 0 | 0.0 | 0.2 | +4 | 2018 |
| Total population | 405 | 100.0 | 100.0 | 610 | 100.0 | 100.0 | -205 | |
Source: Australian Bureau of Statistics, Census of Population and Housing (opens a new window) 1991 and 2021. Compiled and presented by .id (opens a new window)(informed decisions).
(Enumerated data)
Compiled and presented in profile.id by .id (informed decisions).
Compiled and presented in profile.id by .id (informed decisions).
Dominant groups
Analysis of the five year age groups of Blairmount in 2021 compared to Campbelltown City shows that there was a higher proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).
Overall, 23.2% of the population was aged between 0 and 15, and 12.8% were aged 65 years and over, compared with 22.1% and 13.3% respectively for Campbelltown City.
The major differences between the age structure of Blairmount and Campbelltown City were:
- A larger percentage of persons aged 5 to 9 (9.1% compared to 7.6%)
- A smaller percentage of persons aged 45 to 49 (3.5% compared to 6.1%)
- A smaller percentage of persons aged 35 to 39 (6.4% compared to 8.2%)
- A smaller percentage of persons aged 0 to 4 (6.2% compared to 7.4%)
Emerging groups
From 1991 to 2021, Blairmount's population decreased by 205 people (33.6%). This represents an average annual population change of -1.36% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 15 to 19 (-227 persons)
- 10 to 14 (-96 persons)