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District Council of Mount BarkerPopulation forecast

District Council of Mount Barker

Population and age structure

Between 2016 and 2026, the age structure forecasts for the District Council of Mount Barker indicate a 40.9% increase in population under working age, a 40.18% increase in population of retirement age, and a 26.2% increase in population of working age.

Knowledge of how the age structure of the population is changing is essential for planning age-based facilities and services, such as child care, recreation and aged care.

The forecast age groups of the District Council of Mount Barker is a function of the current age of the population (people aging each year, being born and dying) as well as the age of people migrating into and out of the area. This in turn is driven by location (fringe, city centre, regional or rural) the existing housing stock (separate dwellings, medium or high density), the amount and type of new residential development (same as existing stock, or diversifying) and where the area is in a cycle of change. We call this the area’s residential role and function. You can learn more about this in the section household and suburb life cycles.

Forecast age structure - 5 year age groups
District Council of Mount Barker - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 42,2606.73,0656.93,9296.9+1,669
5 to 92,4237.23,3777.64,2717.5+1,848
10 to 142,2536.73,3287.54,2897.6+2,036
15 to 192,3436.92,8746.53,7576.6+1,414
20 to 242,0426.02,2215.02,9775.2+935
25 to 291,9955.92,3275.22,9005.1+905
30 to 342,0646.12,6966.13,2955.8+1,230
35 to 392,0686.13,1007.03,8496.8+1,781
40 to 442,4037.13,3137.54,2027.4+1,799
45 to 492,4777.33,0957.04,1467.3+1,668
50 to 542,3096.82,9176.63,8606.8+1,552
55 to 592,2136.52,6816.03,3806.0+1,166
60 to 641,9405.72,3605.32,9745.2+1,034
65 to 691,7915.32,1794.92,6264.6+835
70 to 741,2983.81,8284.12,2043.9+906
75 to 797762.31,5093.41,8433.3+1,068
80 to 845521.69422.11,3162.3+764
85 and over6031.85791.38931.6+290
Total persons33,809100.044,390100.056,710100.0+22,901
Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, November 2017.

Key findings

In 2016, the dominant age structure for persons in the District Council of Mount Barker was ages 45 to 49, which accounted for 7.3% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 10 to 14, which is expected to increase by 1,075 and account for 7.5% of the total persons.

The largest 5 year age group in 2026 is 5 to 9 years, with a total of 3,377 persons.

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