Tahuna is a small rural settlement located 18 km north of Morrinsville.

Tahuna is seen as the upper limit for navigatable travel on the Piako River.

[4] Although Tahuna is in the Matamata-Piako District for local government, its representation in national government is within the Coromandel electorate due to the abolition of the Piako electorate for the 2008 election.

Although some people chose not to answer the census's question about religious affiliation, 63.9% had no religion, 24.6% were Christian, 1.6% had Māori religious beliefs, 6.6% were Hindu, 1.6% were Buddhist and 1.6% had other religions.

The percentage of people born overseas was 12.4, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 57.4% had no religion, 30.4% were Christian, 0.8% had Māori religious beliefs, 1.0% were Hindu, 0.4% were Muslim, 0.2% were Buddhist and 2.1% had other religions.