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Blacktown City CouncilPopulation forecast

Blacktown City Council

Population and age structure

Between 2016 and 2026, the age structure forecasts for Blacktown City Council indicate a 26.2% increase in population under working age, a 46.1% increase in population of retirement age, and a 19.6% 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 Blacktown City Council 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
Blacktown City Council - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 428,6348.234,9508.139,9397.9+11,305
5 to 927,5127.934,1937.939,0257.7+11,513
10 to 1423,5976.831,4787.336,4257.2+12,828
15 to 1924,0316.929,7266.934,7136.9+10,682
20 to 2424,5407.128,7806.734,0696.7+9,529
25 to 2926,1717.532,1877.536,5577.2+10,386
30 to 3429,3578.433,8627.938,3957.6+9,038
35 to 3927,6458.032,3247.537,4577.4+9,812
40 to 4424,6907.129,9477.034,3256.8+9,635
45 to 4922,0336.327,3316.431,5666.2+9,533
50 to 5420,4815.924,4815.728,7825.7+8,301
55 to 5918,4015.321,3285.025,5505.1+7,149
60 to 6415,5424.518,6464.322,0654.4+6,523
65 to 6913,0533.815,9143.718,6623.7+5,609
70 to 748,6662.513,1143.016,1333.2+7,467
75 to 795,8591.710,2822.413,2412.6+7,382
80 to 843,8891.16,1441.49,3851.9+5,496
85 and over3,4911.05,6121.38,9901.8+5,499
Total persons347,592100.0430,299100.0505,278100.0+157,686
Source: Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), October 2017.

Key findings

In 2016, the dominant age structure for persons in Blacktown City Council was ages 30 to 34, which accounted for 8.4% 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 7,881 and account for 7.3% of the total persons.

The largest 5 year age group in 2026 is 0 to 4 years, with a total of 34,950 persons.

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