Today the Herald presents the results of its investigation into the state of faith in New Zealand.

We have produced an interactive map that allows you to see how religious (or irreligious) your city and suburb is, how religion compares with wealth and how it spreads across the country. Scroll down to use the map.

We've gleaned 11 eye-opening facts from our investigation:

1. Rich Kiwis have turned their backs on God and religion, with religious New Zealanders living mainly in poor suburbs.

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2. Wellington is the "godless" capital of New Zealand, with five in 10 people there saying they have no religion. And Dunedin is the godless capital of South Island, with almost half of the city's population declaring the same.

3. In the South Island, Haupiri in Grey District has the highest percentage of Christians, thanks to the Gloriavale Community. In the North Island, Temple View in Hamilton has the highest percentage of Christians, thanks to the popularity of Mormonism.

4. Auckland is the only New Zealand city becoming more religious, with a 1.2 per cent increase in religious residents in the 2013 census.

5. But across New Zealand, the number of people declaring themselves religious has fallen 5.5 per cent since the 2006.

6. The earthquakes in Christchurch failed to bring people back to God - Christianity lost 16.5 per cent of the flock there.

7. Nelson and the Coromandel are centres of New Age spiritualism. Both areas have recorded the highest percentages of people who follow new age religions.

8. South Auckland is one of the most religious areas in the country.

9. Auckland has the biggest Muslim population, with 2.4 per cent of its population following Islam. Walmsley and Wesley towards West Auckland are areas with highest percentage of Muslim population.

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10. The number of wiccan and witchcraft covens have fallen from 2082 to 1452 followers in the last Census. And the number of people who say they worship Satan has fallen from 1167 to 843.

11. Wiccans and Satanists are most likely to be New Zealand Europeans.

How the map works

Use the interactive map to see the breakdown of religion in your suburb. Hovering/ tapping over an area will reveal the breakdown for main religions.

Use the links on the left to navigate directly to the major cities in the country.

Dark blue indicates areas where more than 60 per cent of people said they had no religion. Yellow indicates an area where there is a strong religious population.

If you click on Wellington, you will see the city is predominantly blue or dark blue. In Auckland, there is a mix of dark blue areas - mainly in the central suburbs - and bright yellow - mainly in south and southwest Auckland.