Statistics New Zealand is the country's major source of official statistics of the people, the economy and the environment. If you would like more specific statistical information about New Zealand, you can access their site Statistics New Zealand.
It's also possible to build your own demography data sets using the Statistics New Zealand Table Builder Tool.
You can find our infometrics on the interactive Horowhenua District Economic Profile page
Infometrics provides a Demographic Profile for the Horowhenua District, and can be used as a tool for visualising demographic data that is freely available in the Census.