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There were 312 people over the age of 85 living in Seaford in 2011, with largest age group being 35 to 39 year olds.

The Age Structure of Seaford provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Seaford'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 Seaford'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
Seaford - Total persons (Usual residence)20112006Change
Five year age groups (years)Number%Frankston City %Number%Frankston City %2006 to 2011
0 to 41,0846.86.98825.76.4+202
5 to 98015.06.08785.66.7-77
10 to 147634.86.38785.67.3-115
15 to 198675.46.79015.87.0-34
20 to 249626.06.71,0076.56.4-45
25 to 291,0876.86.81,0266.66.1+61
30 to 341,2267.66.81,1717.57.1+55
35 to 391,3148.27.31,1697.57.7+145
40 to 441,1897.47.41,0696.97.6+120
45 to 491,0896.87.31,1707.57.3-81
50 to 541,1076.96.81,1447.46.4-37
55 to 591,0306.45.91,1057.16.1-75
60 to 649215.75.58095.24.8+112
65 to 697995.04.26574.23.8+142
70 to 745983.73.25753.73.0+23
75 to 794973.12.54873.12.7+10
80 to 843822.42.03682.42.0+14
85 and over3121.91.82571.71.7+55

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, Frankston City: 1.8% 80 to 84, Frankston City: 2.0% 75 to 79, Frankston City: 2.5% 70 to 74, Frankston City: 3.2% 65 to 69, Frankston City: 4.2% 60 to 64, Frankston City: 5.5% 55 to 59, Frankston City: 5.9% 50 to 54, Frankston City: 6.8% 45 to 49, Frankston City: 7.3% 40 to 44, Frankston City: 7.4% 35 to 39, Frankston City: 7.3% 30 to 34, Frankston City: 6.8% 25 to 29, Frankston City: 6.8% 20 to 24, Frankston City: 6.7% 15 to 19, Frankston City: 6.7% 10 to 14, Frankston City: 6.3% 5 to 9, Frankston City: 6.0% 0 to 4, Frankston City: 6.9% 85 and over, Seaford: 1.9% 80 to 84, Seaford: 2.4% 75 to 79, Seaford: 3.1% 70 to 74, Seaford: 3.7% 65 to 69, Seaford: 5.0% 60 to 64, Seaford: 5.7% 55 to 59, Seaford: 6.4% 50 to 54, Seaford: 6.9% 45 to 49, Seaford: 6.8% 40 to 44, Seaford: 7.4% 35 to 39, Seaford: 8.2% 30 to 34, Seaford: 7.6% 25 to 29, Seaford: 6.8% 20 to 24, Seaford: 6.0% 15 to 19, Seaford: 5.4% 10 to 14, Seaford: 4.8% 5 to 9, Seaford: 5.0% 0 to 4, Seaford: 6.8%
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, Seaford: +55 80 to 84, Seaford: +14 75 to 79, Seaford: +10 70 to 74, Seaford: +23 65 to 69, Seaford: +142 60 to 64, Seaford: +112 55 to 59, Seaford: -75 50 to 54, Seaford: -37 45 to 49, Seaford: -81 40 to 44, Seaford: +120 35 to 39, Seaford: +145 30 to 34, Seaford: +55 25 to 29, Seaford: +61 20 to 24, Seaford: -45 15 to 19, Seaford: -34 10 to 14, Seaford: -115 5 to 9, Seaford: -77 0 to 4, Seaford: +202
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 Seaford in 2011 compared to Frankston City 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, 16.5% of the population was aged between 0 and 15, and 16.1% were aged 65 years and over, compared with 19.2% and 13.7% respectively for Frankston City.

The major differences between the age structure of Seaford and Frankston City were:

  • A larger percentage of persons aged 35 to 39 (8.2% compared to 7.3%)
  • A smaller percentage of persons aged 10 to 14 (4.8% compared to 6.3%)
  • A smaller percentage of persons aged 15 to 19 (5.4% compared to 6.7%)
  • A smaller percentage of persons aged 5 to 9 (5.0% compared to 6.0%)

Emerging groups

From 2006 to 2011, Seaford's population increased by 475 people (3.1%). This represents an average annual population change of 0.6% per year over the period.

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

  • 0 to 4 (+202 persons)
  • 35 to 39 (+145 persons)
  • 65 to 69 (+142 persons)
  • 40 to 44 (+120 persons)