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Central North District

Five year age groups

There were 1,421 people over the age of 85 living in Central North District in 2011, with largest age group being 25 to 29 year olds.

The Age Structure of Central North District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Central North District'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 Central North District'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
Central North District - Total persons (Usual residence)20112006Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2006 to 2011
0 to 44,6206.56.64,3436.26.1+277
5 to 94,2265.96.34,5986.66.8-372
10 to 144,4996.36.74,9197.17.3-419
15 to 194,6646.66.84,8156.97.3-151
20 to 244,6396.56.24,7716.96.5-132
25 to 295,1347.26.44,3916.35.8+743
30 to 344,6336.56.24,7216.86.5-88
35 to 394,6336.56.64,8677.07.0-234
40 to 444,8696.87.14,9047.07.4-35
45 to 494,8086.87.14,8366.97.7-27
50 to 544,6586.57.04,8427.07.3-185
55 to 594,5706.46.64,8577.07.1-287
60 to 644,5736.46.53,6525.25.0+921
65 to 693,4174.84.62,6133.83.6+804
70 to 742,4193.43.22,0362.92.8+383
75 to 791,8412.62.41,8982.72.5-57
80 to 841,5572.22.01,3842.01.8+172
85 and over1,4212.01.81,1671.71.4+254

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 Onkaparinga: 1.8% 80 to 84, City of Onkaparinga: 2.0% 75 to 79, City of Onkaparinga: 2.4% 70 to 74, City of Onkaparinga: 3.2% 65 to 69, City of Onkaparinga: 4.6% 60 to 64, City of Onkaparinga: 6.5% 55 to 59, City of Onkaparinga: 6.6% 50 to 54, City of Onkaparinga: 7.0% 45 to 49, City of Onkaparinga: 7.1% 40 to 44, City of Onkaparinga: 7.1% 35 to 39, City of Onkaparinga: 6.6% 30 to 34, City of Onkaparinga: 6.2% 25 to 29, City of Onkaparinga: 6.4% 20 to 24, City of Onkaparinga: 6.2% 15 to 19, City of Onkaparinga: 6.8% 10 to 14, City of Onkaparinga: 6.7% 5 to 9, City of Onkaparinga: 6.3% 0 to 4, City of Onkaparinga: 6.6% 85 and over, Central North District: 2.0% 80 to 84, Central North District: 2.2% 75 to 79, Central North District: 2.6% 70 to 74, Central North District: 3.4% 65 to 69, Central North District: 4.8% 60 to 64, Central North District: 6.4% 55 to 59, Central North District: 6.4% 50 to 54, Central North District: 6.5% 45 to 49, Central North District: 6.8% 40 to 44, Central North District: 6.8% 35 to 39, Central North District: 6.5% 30 to 34, Central North District: 6.5% 25 to 29, Central North District: 7.2% 20 to 24, Central North District: 6.5% 15 to 19, Central North District: 6.6% 10 to 14, Central North District: 6.3% 5 to 9, Central North District: 5.9% 0 to 4, Central North District: 6.5%
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, Central North District: +254 80 to 84, Central North District: +172 75 to 79, Central North District: -57 70 to 74, Central North District: +383 65 to 69, Central North District: +804 60 to 64, Central North District: +921 55 to 59, Central North District: -287 50 to 54, Central North District: -185 45 to 49, Central North District: -27 40 to 44, Central North District: -35 35 to 39, Central North District: -234 30 to 34, Central North District: -88 25 to 29, Central North District: +743 20 to 24, Central North District: -132 15 to 19, Central North District: -151 10 to 14, Central North District: -419 5 to 9, Central North District: -372 0 to 4, Central North District: +277
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 Central North District in 2011 compared to the City of Onkaparinga shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 18.7% of the population was aged between 0 and 15, and 15.0% were aged 65 years and over, compared with 19.5% and 13.8% respectively for the City of Onkaparinga.

The major difference between the age structure of Central North District and the City of Onkaparinga is:

  • A larger percentage of persons aged 25 to 29 (7.2% compared to 6.4%)

Emerging groups

From 2006 to 2011, Central North District's population increased by 1,569 people (2.3%). This represents an average annual population change of 0.45% per year over the period.

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

  • 60 to 64 (+921 persons)
  • 65 to 69 (+804 persons)
  • 25 to 29 (+743 persons)
  • 10 to 14 (-419 persons)