Mangaroa is a rural settlement just outside of Upper Hutt, situated in the lower North Island of New Zealand.

It includes lifestyle blocks and farms surrounded by hills, which are usually covered by a dusting of snow during the winter.

The New Zealand Ministry for Culture and Heritage gives a translation of "long stream" for Mangaroa.

[3] Mangaroa statistical area covers 154.57 km2 (59.68 sq mi).

Although some people chose not to answer the census's question about religious affiliation, 52.5% had no religion, 34.8% were Christian, 0.3% had Māori religious beliefs, 0.1% were Hindu, 0.4% were Buddhist and 2.4% had other religions.