idc-logo
svg rectangle color
Northern Beaches CouncilPopulation forecast

Seaforth

Population, households and dwellings

The number of dwellings in Seaforth is forecast to grow from 2,471 in 2016 to 2,698 in 2041, with the average household size falling from 3.16 to 2.96 by 2041.

This summary shows the results of the forecasts for population, households and dwellings in Seaforth. The period 2016 to 2031, 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
SeaforthForecast year
Summary201620212026203120362041
Population7,4767,5187,5117,5527,6177,716
Change in population (5yrs)--42-7426499
Average annual change--0.11%-0.02%0.11%0.17%0.26%
Households2,3662,4232,4792,5222,5662,610
Average household size3.163.103.032.992.972.96
Population in non private dwellings000000
Dwellings2,4712,5182,5632,6082,6532,698
Dwelling occupancy rate95.7596.2396.7296.7096.7296.74
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), November 2020.

Key findings

In 2016, the total population of Seaforth was estimated to be 7,476 people. It is expected to increase by over 76 people to 7,552 by 2031, at an average annual growth rate of 0.07%. This is based on an increase of over 156 households during the period, with the average number of persons per household falling from 3.16 to 2.99 by 2031.

DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.

Please view our Privacy Policy, Terms of use and Legal notices. Stats NZ Data and the copyright in the Stats NZ Data remains the property of the Statistics New Zealand.

The copyright in the way .id has modified, transformed or reconfigured the Stats NZ Data as published on this website remains the property of .id. Stats NZ Data can be accessed on the Statistics New Zealand website at www.stats.govt.nz. Unless otherwise specified, content that Stats NZ produce is licensed under the Creative Commons Attribution 4.0 International licence. For further information see https://www.stats.govt.nz/about-us/copyright/.