Porirua CityPopulation forecast
Skip to content

Porirua City

What is forecast.id

Porirua City Population Forecasts

What is forecast.id?

forecast.id is a comprehensive online demographic forecast which shows how the population will change between 2013 and 2043. It helps council staff and community organisations understand the likely outcomes of current population trends and council policies on the future population of the area.
forecast.id is designed to answer the questions:

  • How will our community change in the future?
  • What is driving these changes?
  • Where and when should we allocate resources to communities?

Porirua City forecast has been developed as a website linked to your Council website for ease of access by staff and the community, it can also be accessed directly at:


What does it look like?

Information is presented in a variety of formats. These include charts showing changes over time, tables with detailed age and household type data, and interactive maps showing the spatial distribution of change over selectable time periods.

Porirua City

What information is included?

Porirua City population forecast website is a public website containing detailed population, dwelling and household forecasts under the following menu structure:

About the forecast areas


  • Residential development
  • Net migration by age
  • Non-private dwellings

Forecast results

  • Population, households and dwellings
  • Components of population change
  • Population and age structure
  • Household types

Forecast mapping

  • Dwellings and development map
  • Population and age structure map
  • Household types map


Data exporter

About the forecasts

Forecast methodology

  • Factors of population change
  • Household and suburbs life-cycles
  • Forecast modelling process
  • Notes on base data
  • FAQs
  • Glossary
  • References

For which geographic areas?

Porirua City population forecast provides comprehensive data for the following geographic areas:
Small areas
  • Ascot Park
  • Lower Cannons Creek
  • Paekakariki Hill-Pauatahanui
  • Paremata-Camborne-Mana-Inlet
  • Paremata-Papakowhai
  • Porirua East-Ranui Heights
  • Porirua-Elsdon-Takapuwahia
  • Pukerua Bay-Plimmerton
  • Titahi Bay
  • Titahi Bay South-Mana Island
  • Upper Cannons Creek
  • Waitangirua
  • How can I access Porirua City population forecast?

    Porirua City forecast can be accessed via the Porirua City website or at: