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LEARN MORE ABOUT .idIn 2021, the largest age group in Kealba was 25 to 29 year olds. The group that changed the most since 1991 was 10 to 14 year olds, decreasing by 181 people.
The Age Structure of Kealba provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Kealba'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 Kealba'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 | |||||||
|---|---|---|---|---|---|---|---|
| Kealba - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | St Albans % | Number | % | St Albans % | 1991 to 2021 |
| 0 to 4 | 182 | 5.7 | 5.6 | 316 | 9.5 | 7.2 | -134 |
| 5 to 9 | 179 | 5.6 | 5.7 | 331 | 9.9 | 7.5 | -152 |
| 10 to 14 | 196 | 6.1 | 5.1 | 377 | 11.3 | 8.8 | -181 |
| 15 to 19 | 166 | 5.2 | 5.3 | 281 | 8.4 | 9.4 | -115 |
| 20 to 24 | 186 | 5.8 | 7.6 | 223 | 6.7 | 9.7 | -37 |
| 25 to 29 | 264 | 8.2 | 9.3 | 284 | 8.5 | 7.7 | -20 |
| 30 to 34 | 243 | 7.6 | 8.4 | 340 | 10.2 | 7.2 | -97 |
| 35 to 39 | 197 | 6.1 | 7.1 | 372 | 11.2 | 7.7 | -175 |
| 40 to 44 | 228 | 7.1 | 5.8 | 297 | 8.9 | 8.3 | -69 |
| 45 to 49 | 206 | 6.4 | 5.5 | 201 | 6.0 | 6.4 | +5 |
| 50 to 54 | 207 | 6.5 | 5.8 | 116 | 3.5 | 5.2 | +91 |
| 55 to 59 | 207 | 6.5 | 5.6 | 81 | 2.4 | 4.3 | +126 |
| 60 to 64 | 190 | 5.9 | 5.4 | 43 | 1.3 | 3.7 | +147 |
| 65 to 69 | 212 | 6.6 | 5.0 | 36 | 1.1 | 3.2 | +176 |
| 70 to 74 | 177 | 5.5 | 4.6 | 23 | 0.7 | 1.9 | +154 |
| 75 to 79 | 89 | 2.8 | 3.2 | 9 | 0.3 | 1.1 | +80 |
| 80 to 84 | 41 | 1.3 | 2.6 | 6 | 0.2 | 0.5 | +35 |
| 85 and over | 34 | 1.1 | 2.4 | 0 | -- | 0.2 | +34 |
| Total population | 3,204 | 100.0 | 100.0 | 3,336 | 100.0 | 100.0 | -132 |
Dominant groups
Analysis of the five year age groups of Kealba in 2021 compared to St Albans 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, 17.4% of the population was aged between 0 and 15, and 17.3% were aged 65 years and over, compared with 16.4% and 17.9% respectively for St Albans.
The major differences between the age structure of Kealba and St Albans were:
- A larger percentage of persons aged 65 to 69 (6.6% compared to 5.0%)
- A larger percentage of persons aged 40 to 44 (7.1% compared to 5.8%)
- A smaller percentage of persons aged 20 to 24 (5.8% compared to 7.6%)
- A smaller percentage of persons aged 85 and over (1.1% compared to 2.4%)
Emerging groups
From 1991 to 2021, Kealba's population decreased by 132 people (4.0%). This represents an average annual population change of -0.13% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 10 to 14 (-181 persons)
- 65 to 69 (+176 persons)
- 35 to 39 (-175 persons)
- 70 to 74 (+154 persons)
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