Te Rerenga is a locality on the Whangapoua Harbour, Coromandel Peninsula, New Zealand.

The Waitekuri and Opitonui Rivers flow from the Coromandel Range in the west and south through the area to drain in the Whangapoua Harbour.

[1][2] Mercury Bay North statistical area covers the northeastern Coromandel from just north of Coroglen to New Chums Beach, but excludes Whitianga.

The percentage of people born overseas was 16.8, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 60.3% had no religion, 27.4% were Christian, 0.2% had Māori religious beliefs, 0.2% were Hindu, 0.2% were Muslim, 0.6% were Buddhist and 2.4% had other religions.