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Colac Otway ShirePopulation forecast

Colac Otway Shire

Population, households and dwellings

The number of dwellings in Colac Otway Shire is forecast to grow from 11,737 in 2016 to 14,699 in 2041, with the average household size falling from 2.27 to 2.24 by 2041.

This summary shows the results of the forecasts for population, households and dwellings in Colac Otway Shire. The period 2016 to 2036, as the short to medium term, is likely to be the most accurate and useful forecast information for immediate planning purposes.

It is important to look at the relationship between population and average household size. If the average household size is falling, then there will need to be growth in the number of households (and dwellings for them to live in) to maintain or grow the population.

Forecast population, households and dwellings
Colac Otway ShireForecast year
Summary201620212026203120362041
Population21,36122,06823,04724,17125,39426,756
Change in population (5yrs)--7079791,1241,2221,362
Average annual change--0.65%0.87%0.96%0.99%1.05%
Households9,2109,58510,06310,56811,10811,668
Average household size2.272.252.242.232.242.24
Population in non private dwellings452489508554566605
Dwellings11,73712,22112,80413,40114,03614,699
Dwelling occupancy rate78.4778.4378.5978.8679.1479.38
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), October 2018.

Key findings

In 2016, the total population of Colac Otway Shire was estimated to be 21,361 people. It is expected to increase by over 2,810 people to 24,171 by 2036, at an average annual growth rate of 0.62%. This is based on an increase of over 1,358 households during the period, with the average number of persons per household falling from 2.27 to 2.23 by 2036.

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