Population, households and dwellings
The number of dwellings in Porirua City is forecast to grow from 18,104 in 2013 to 21,130 in 2028, with the average household size falling from 3.07 to 2.91 by 2028.
This summary shows the results of the forecasts for population, households and dwellings in Porirua City. The period 2013 to 2028, 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|
|Porirua City||Forecast year|
|Change in population (5yrs)||--||1,924||2,373||1,630||1,861||1,706||1,649|
|Average annual change||--||0.71%||0.84%||0.56%||0.62%||0.55%||0.52%|
|Average household size||3.07||3.00||2.96||2.91||2.87||2.84||2.82|
|Population in non private dwellings||709||709||779||819||869||919||919|
|Dwelling occupancy rate||95.27||95.38||95.52||95.60||95.67||95.75||95.84|
Population and household forecasts, 2013 to 2043, prepared by .id (opens a new window), the population experts, April 2016.
In 2013, the total population of Porirua City was estimated to be 53,700 people. It is expected to increase by over 5,900 people to 59,627 by 2028, at an average annual growth rate of 0.70%. This is based on an increase of over 2,900 households during the period, with the average number of persons per household falling from 3.07 to 2.91 by 2028.