Incomes rise and smoking falls - Census
Auckland is home to the highest proportion of religious people and has higher household incomes than the rest of the country, 2013 census data shows.
Thirty-six per cent of Auckland households reported an income of $100,000 or more in the year to March 31, 2013.
The median annual Auckland household income rose from $63,400 in the 2006 census to $76,500.
The national median household income was $63,800.
On the religion front, 59.6 per cent of Aucklanders identified with religion in 2013, compared with 55 per cent nationally.
There was a sharp rise in both the number of Sikh and Muslims in the region. The Sikh religion had the fastest rate of growth in Auckland since 2006, increasing from 6174 to 11,712. The total number of Muslims in the region increased from 23,688 to 31,158.
In other regional data, the West Coast had the highest increase in median household income, up from from $37,800 in 2006 to $55,000 in 2013.
The number of smokers was down across the regions, with the biggest decrease in Otago (down 25.6 per cent).
Southland had the highest proportion of Christians in the country.