Waiau is a small community in Bay of Plenty with a population of 330 and a median age of 52. Median personal income is $30K per year. The main ethnic groups are European, Māori, Pacific Peoples.

Livability indicators for Waiau: NZDep decile 9 (high deprivation).

In 2026, Waiau recorded 0 building approvals (0 houses, 0 units), down 100% year-on-year.