Skip to content

Blacktown Electoral Division
Population

In 2011, 28% of people in the Blacktown Electoral Division were children (aged under 19 years), 38% were young adults (20 to 44), 35% were older adults (45 years and over).

The Age Structure of the Blacktown Electoral Division 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 Blacktown Electoral Division'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.

Derived from the Census question:

'What is the person's date of birth (or age last birthday)?'

Total NSW population

Age structure - Five year age groups
Blacktown Electoral Division - Total persons20112006Change
Five year age groups (years)NumberBlacktown Electoral Division %New South Wales %NumberBlacktown Electoral Division %New South Wales %2006 to 2011
0 to 46,2797.96.65,2807.26.4+999
5 to 95,2976.76.35,4077.46.6-110
10 to 145,1716.56.35,2647.26.8-93
15 to 195,3116.76.45,2907.26.7+21
20 to 245,5977.06.55,5417.56.6+56
25 to 296,8088.56.85,5497.66.5+1,259
30 to 346,4528.16.85,6227.77.1+831
35 to 395,8557.47.15,1867.17.2+669
40 to 445,2146.57.05,2847.27.4-71
45 to 495,3066.77.05,1437.07.3+164
50 to 545,1086.46.84,7826.56.6+325
55 to 594,6445.86.14,0765.66.1+568
60 to 643,7654.75.62,8703.94.8+895
65 to 692,7133.44.42,3853.23.9+328
70 to 742,0852.63.42,1983.03.2-113
75 to 791,7542.22.71,7682.42.9-14
80 to 841,3371.72.21,1491.62.1+188
85 and over9361.22.06210.81.7+315

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, Total New South Wales population: 2.0% 80 to 84, Total New South Wales population: 2.2% 75 to 79, Total New South Wales population: 2.7% 70 to 74, Total New South Wales population: 3.4% 65 to 69, Total New South Wales population: 4.4% 60 to 64, Total New South Wales population: 5.6% 55 to 59, Total New South Wales population: 6.1% 50 to 54, Total New South Wales population: 6.8% 45 to 49, Total New South Wales population: 7.0% 40 to 44, Total New South Wales population: 7.0% 35 to 39, Total New South Wales population: 7.1% 30 to 34, Total New South Wales population: 6.8% 25 to 29, Total New South Wales population: 6.8% 20 to 24, Total New South Wales population: 6.5% 15 to 19, Total New South Wales population: 6.4% 10 to 14, Total New South Wales population: 6.3% 5 to 9, Total New South Wales population: 6.3% 0 to 4, Total New South Wales population: 6.6% 85 and over, Blacktown Electoral Division: 1.2% 80 to 84, Blacktown Electoral Division: 1.7% 75 to 79, Blacktown Electoral Division: 2.2% 70 to 74, Blacktown Electoral Division: 2.6% 65 to 69, Blacktown Electoral Division: 3.4% 60 to 64, Blacktown Electoral Division: 4.7% 55 to 59, Blacktown Electoral Division: 5.8% 50 to 54, Blacktown Electoral Division: 6.4% 45 to 49, Blacktown Electoral Division: 6.7% 40 to 44, Blacktown Electoral Division: 6.5% 35 to 39, Blacktown Electoral Division: 7.4% 30 to 34, Blacktown Electoral Division: 8.1% 25 to 29, Blacktown Electoral Division: 8.5% 20 to 24, Blacktown Electoral Division: 7.0% 15 to 19, Blacktown Electoral Division: 6.7% 10 to 14, Blacktown Electoral Division: 6.5% 5 to 9, Blacktown Electoral Division: 6.7% 0 to 4, Blacktown Electoral Division: 7.9%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented 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, Blacktown Electoral Division: +315 80 to 84, Blacktown Electoral Division: +188 75 to 79, Blacktown Electoral Division: -14 70 to 74, Blacktown Electoral Division: -113 65 to 69, Blacktown Electoral Division: +328 60 to 64, Blacktown Electoral Division: +895 55 to 59, Blacktown Electoral Division: +568 50 to 54, Blacktown Electoral Division: +325 45 to 49, Blacktown Electoral Division: +164 40 to 44, Blacktown Electoral Division: -71 35 to 39, Blacktown Electoral Division: +669 30 to 34, Blacktown Electoral Division: +831 25 to 29, Blacktown Electoral Division: +1,259 20 to 24, Blacktown Electoral Division: +56 15 to 19, Blacktown Electoral Division: +21 10 to 14, Blacktown Electoral Division: -93 5 to 9, Blacktown Electoral Division: -110 0 to 4, Blacktown Electoral Division: +999
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented by .id, the population experts.

Dominant groups

Analysis of the five year age groups of the Blacktown Electoral Division's population compared to the New South Wales total population shows that in 2011 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, 21.0% of the population was aged between 0 and 15, and 11.1% were aged 65 years and over, compared with 19.3% and 14.7% respectively for the New South Wales population.

The major differences between the age structure of the Blacktown Electoral Division and the New South Wales population were:

  • A larger percentage of persons aged 25 to 29 (8.5% compared to 6.8%)
  • A larger percentage of persons aged 30 to 34 (8.1% compared to 6.8%)
  • A larger percentage of persons aged 0 to 4 (7.9% compared to 6.6%)
  • A smaller percentage of persons aged 65 to 69 (3.4% compared to 4.4%)

Emerging groups

From 2006 to 2011, the Blacktown Electoral Division's population increased by 6,214 people (8.5%). This represents an average annual population change of 1.64% per year over the period.

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

  • 25 to 29 (+1,259 persons)
  • 0 to 4 (+999 persons)
  • 60 to 64 (+895 persons)
  • 30 to 34 (+831 persons)