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RDA Limestone Coast RegionCommunity profile

Limestone Coast region

Five year age groups

In 2021, the largest age group in Limestone Coast region was 50 to 54 year olds. The group that changed the most since 2001 was 65 to 69 year olds, increasing by 2,203 people.

The Age Structure of Limestone Coast region provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Limestone Coast region'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 Limestone Coast region'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
Limestone Coast region - Total persons (Enumerated)20212001Change
Five year age groups (years)Number%Regional SA %Number%Regional SA %2001 to 2021
0 to 43,4515.24.94,2217.06.6-770
5 to 93,8935.95.64,7237.97.5-830
10 to 144,2756.56.04,5507.67.5-275
15 to 193,7925.75.14,1687.06.4-376
20 to 243,3415.14.63,2705.54.8+71
25 to 293,6735.65.33,7216.25.7-48
30 to 343,8125.85.54,4897.56.7-677
35 to 393,9075.95.54,6627.87.5-755
40 to 443,8425.85.24,7327.97.8-890
45 to 494,0026.15.94,4687.57.2-466
50 to 544,6507.16.83,9576.66.9+693
55 to 594,6497.07.33,0275.05.8+1,622
60 to 644,5316.97.72,4274.05.0+2,104
65 to 694,2256.47.32,0223.44.2+2,203
70 to 743,7645.76.72,0093.43.9+1,755
75 to 792,5983.94.71,5932.73.0+1,005
80 to 841,8242.83.01,0571.82.0+767
85 and over1,7262.62.88731.51.6+853
Total population65,955100.0100.059,969100.0100.0+5,986
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Limestone Coast region in 2021 compared to Regional SA 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, 17.6% of the population was aged between 0 and 15, and 21.4% were aged 65 years and over, compared with 16.5% and 24.6% respectively for Regional SA.

The major differences between the age structure of Limestone Coast region and Regional SA were:

  • A smaller percentage of persons aged 70 to 74 (5.7% compared to 6.7%)
  • A smaller percentage of persons aged 65 to 69 (6.4% compared to 7.3%)
  • A smaller percentage of persons aged 60 to 64 (6.9% compared to 7.7%)
  • A smaller percentage of persons aged 75 to 79 (3.9% compared to 4.7%)

Emerging groups

From 2001 to 2021, Limestone Coast region's population increased by 5,986 people (10.0%). This represents an average annual population change of 0.48% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 65 to 69 (+2,203 persons)
  • 60 to 64 (+2,104 persons)
  • 70 to 74 (+1,755 persons)
  • 55 to 59 (+1,622 persons)

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