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There were 79 people over the age of 85 living in Delahey in 2011, with largest age group being 15 to 19 year olds.

The Age Structure of Delahey provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Delahey'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 Delahey'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 last birthday)?'

Total population

Age structure - Five year age groups
Delahey - Total persons (Usual residence)20112006Change
Five year age groups (years)Number%City of Brimbank %Number%City of Brimbank %2006 to 2011
0 to 45206.26.66787.86.5-158
5 to 96297.56.27879.06.8-158
10 to 146697.96.37999.27.2-130
15 to 197659.17.06767.87.4+89
20 to 246347.57.96267.27.6+8
25 to 296157.38.45886.77.1+27
30 to 345606.67.57338.47.3-173
35 to 396007.17.27819.07.5-181
40 to 446848.17.17989.27.3-114
45 to 496788.06.76507.57.2+28
50 to 546157.36.55446.26.9+71
55 to 594525.46.03864.46.2+66
60 to 643474.15.32472.84.5+100
65 to 692873.43.81431.63.4+144
70 to 741641.92.9941.12.7+70
75 to 791061.32.1700.82.1+36
80 to 84310.41.5640.71.4-33
85 and over790.91.2490.60.9+30

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Age structure - five year age groups, 2011
Age structure - five year age groups, 2011 85 and over, City of Brimbank: 1.2% 80 to 84, City of Brimbank: 1.5% 75 to 79, City of Brimbank: 2.1% 70 to 74, City of Brimbank: 2.9% 65 to 69, City of Brimbank: 3.8% 60 to 64, City of Brimbank: 5.3% 55 to 59, City of Brimbank: 6.0% 50 to 54, City of Brimbank: 6.5% 45 to 49, City of Brimbank: 6.7% 40 to 44, City of Brimbank: 7.1% 35 to 39, City of Brimbank: 7.2% 30 to 34, City of Brimbank: 7.5% 25 to 29, City of Brimbank: 8.4% 20 to 24, City of Brimbank: 7.9% 15 to 19, City of Brimbank: 7.0% 10 to 14, City of Brimbank: 6.3% 5 to 9, City of Brimbank: 6.2% 0 to 4, City of Brimbank: 6.6% 85 and over, Delahey: 0.9% 80 to 84, Delahey: 0.4% 75 to 79, Delahey: 1.3% 70 to 74, Delahey: 1.9% 65 to 69, Delahey: 3.4% 60 to 64, Delahey: 4.1% 55 to 59, Delahey: 5.4% 50 to 54, Delahey: 7.3% 45 to 49, Delahey: 8.0% 40 to 44, Delahey: 8.1% 35 to 39, Delahey: 7.1% 30 to 34, Delahey: 6.6% 25 to 29, Delahey: 7.3% 20 to 24, Delahey: 7.5% 15 to 19, Delahey: 9.1% 10 to 14, Delahey: 7.9% 5 to 9, Delahey: 7.5% 0 to 4, Delahey: 6.2%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - five year age groups, 2006 to 2011
Change in age structure - five year age groups, 2006 to 2011 85 and over, Delahey: +30 80 to 84, Delahey: -33 75 to 79, Delahey: +36 70 to 74, Delahey: +70 65 to 69, Delahey: +144 60 to 64, Delahey: +100 55 to 59, Delahey: +66 50 to 54, Delahey: +71 45 to 49, Delahey: +28 40 to 44, Delahey: -114 35 to 39, Delahey: -181 30 to 34, Delahey: -173 25 to 29, Delahey: +27 20 to 24, Delahey: +8 15 to 19, Delahey: +89 10 to 14, Delahey: -130 5 to 9, Delahey: -158 0 to 4, Delahey: -158
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the five year age groups of Delahey in 2011 compared to City of Brimbank 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, 21.6% of the population was aged between 0 and 15, and 7.9% were aged 65 years and over, compared with 19.0% and 11.5% respectively for City of Brimbank.

The major differences between the age structure of Delahey and City of Brimbank were:

  • A larger percentage of persons aged 15 to 19 (9.1% compared to 7.0%)
  • A larger percentage of persons aged 10 to 14 (7.9% compared to 6.3%)
  • A larger percentage of persons aged 45 to 49 (8.0% compared to 6.7%)
  • A larger percentage of persons aged 5 to 9 (7.5% compared to 6.2%)

Emerging groups

From 2006 to 2011, Delahey's population decreased by 278 people (3.2%). This represents an average annual population change of -0.65% per year over the period.

The largest changes in age structure in this area between 2006 and 2011 were in the age groups:

  • 35 to 39 (-181 persons)
  • 30 to 34 (-173 persons)
  • 0 to 4 (-158 persons)
  • 5 to 9 (-158 persons)