Colac Otway ShirePopulation forecast
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This forecast has been updated with 2016 Census dwelling counts and the 2016 Estimated Resident Population. More information can be found here.

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Colac Otway Shire

Population, households and dwellings

The number of dwellings in Colac Otway Shire is forecast to grow from 11,832 in 2016 to 13,294 in 2031, with the average household size falling from 2.31 to 2.27 by 2031.

This summary shows the results of the forecasts for population, households and dwellings in Colac Otway Shire. The period 2016 to 2026, 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
Summary20162021202620312036
Population21,36122,03622,67723,32723,865
Change in population (5yrs)--675641649538
Average annual change--0.62%0.58%0.57%0.46%
Households9,0659,3959,74210,10910,506
Average household size2.312.302.282.272.23
Population in non private dwellings394394424424424
Dwellings11,83212,30412,78813,29413,830
Dwelling occupancy rate76.6176.3676.1876.0475.97

Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, November 2017.

Forecast population, households and average household size
Forecast population, households and average household size 2036 Average household size: 2.23 2035 Average household size: 2.24 2034 Average household size: 2.24 2033 Average household size: 2.25 2032 Average household size: 2.25 2031 Average household size: 2.26 2030 Average household size: 2.27 2029 Average household size: 2.27 2028 Average household size: 2.28 2027 Average household size: 2.28 2026 Average household size: 2.28 2025 Average household size: 2.29 2024 Average household size: 2.29 2023 Average household size: 2.30 2022 Average household size: 2.30 2021 Average household size: 2.30 2020 Average household size: 2.31 2019 Average household size: 2.31 2018 Average household size: 2.31 2017 Average household size: 2.31 2016 Average household size: 2.31 2036 Average household size: 2.23 2035 Average household size: 2.24 2034 Average household size: 2.24 2033 Average household size: 2.25 2032 Average household size: 2.25 2031 Average household size: 2.26 2030 Average household size: 2.27 2029 Average household size: 2.27 2028 Average household size: 2.28 2027 Average household size: 2.28 2026 Average household size: 2.28 2025 Average household size: 2.29 2024 Average household size: 2.29 2023 Average household size: 2.30 2022 Average household size: 2.30 2021 Average household size: 2.30 2020 Average household size: 2.31 2019 Average household size: 2.31 2018 Average household size: 2.31 2017 Average household size: 2.31 2036 Households: 10,507 2035 Households: 10,428 2034 Households: 10,350 2033 Households: 10,272 2032 Households: 10,193 2031 Households: 10,112 2030 Households: 10,036 2029 Households: 9,961 2028 Households: 9,886 2027 Households: 9,813 2026 Households: 9,742 2025 Households: 9,673 2024 Households: 9,604 2023 Households: 9,536 2022 Households: 9,468 2021 Households: 9,397 2020 Households: 9,328 2019 Households: 9,260 2018 Households: 9,192 2017 Households: 9,131 2016 Households: 9,067 2036 Total population: 23,865 2035 Total population: 23,741 2034 Total population: 23,618 2033 Total population: 23,530 2032 Total population: 23,387 2031 Total population: 23,327 2030 Total population: 23,188 2029 Total population: 23,050 2028 Total population: 22,924 2027 Total population: 22,783 2026 Total population: 22,677 2025 Total population: 22,550 2024 Total population: 22,430 2023 Total population: 22,338 2022 Total population: 22,180 2021 Total population: 22,036 2020 Total population: 21,920 2019 Total population: 21,773 2018 Total population: 21,648 2017 Total population: 21,478 2016 Total population: 21,361
Population and household forecasts, 2016 to 2036, prepared by .id the population experts, November 2017.

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 1,900 people to 23,327 by 2031, at an average annual growth rate of 0.88%. This is based on an increase of over 1,000 households during the period, with the average number of persons per household falling from 2.31 to 2.27 by 2031.

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