Arahiwi is a small community in Waikato with a population of 144 and a median age of 32. Median personal income is $43K per year. The main ethnic groups are European, Māori, Pacific Peoples.

Livability indicators for Arahiwi: NZDep decile 7 (moderate deprivation).

In 2026, Arahiwi recorded 0 building approvals (0 houses, 0 units), up 0% year-on-year.