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Sutherland Shire CouncilPopulation forecast

Gymea Bay

Population, households and dwellings

The number of dwellings in Gymea Bay is forecast to grow from 2,285 in 2021 to 2,367 in 2036, with the average household size falling from 3.17 to 3.05 by 2036.

This summary shows the results of the forecasts for population, households and dwellings in Sutherland Shire Council. The period 2021 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
Gymea BayForecast year
Summary20212026203120362041
Population6,9896,9796,9506,972--
Change in population (5yrs)---9-3022--
Average annual change---0.03%-0.09%0.06%--
Households2,1882,2102,2362,266--
Average household size3.173.133.083.05--
Population in non private dwellings55555555--
Dwellings2,2852,3082,3372,367--
Dwelling occupancy rate95.7595.7595.6895.73--
Source: Population and household forecasts, 2021 to 2036, prepared by .id (informed decisions), January 2023.

Key findings

In 2021, the total population of Gymea Bay was estimated to be 6,989 people. It is expected to decrease by over 10 people to 6,979 by 2026, at an average annual growth rate of -0.03%. This is based on an increase of over 22 households during the period, with the average number of persons per household falling from 3.17 to 3.13 by 2026.

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