Rārangi is a very small town in the South Island of New Zealand which is approximately 15 minutes drive to the north-east of Blenheim, on the coast of Cloudy Bay.^[3][4]

A macron was officially added to the name in May 2021.^[5]

Rārangi is defined by Statistics New Zealand as a rural settlement. It covers 4.82 km² (1.86 sq mi)^[1] and had an estimated population of 690 as of June 2023,^[2] with a population density of 143 people per km². It is included in the Tuamarina statistical area.^[6]

Rārangi had a population of 672 at the 2018 New Zealand census, an increase of 96 people (16.7%) since the 2013 census, and an increase of 180 people (36.6%) since the 2006 census. There were 261 households, comprising 330 males and 345 females, giving a sex ratio of 0.96 males per female, with 120 people (17.9%) aged under 15 years, 84 (12.5%) aged 15 to 29, 348 (51.8%) aged 30 to 64, and 123 (18.3%) aged 65 or older.

Ethnicities were 92.4% European/Pākehā, 12.5% Māori, 2.7% Pasifika, 0.9% Asian, and 2.7% other ethnicities. People may identify with more than one ethnicity.

Although some people chose not to answer the census's question about religious affiliation, 66.5% had no religion, 22.3% were Christian, 0.4% were Buddhist and 2.7% had other religions.

Of those at least 15 years old, 108 (19.6%) people had a bachelor's or higher degree, and 93 (16.8%) people had no formal qualifications. 117 people (21.2%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 297 (53.8%) people were employed full-time, 90 (16.3%) were part-time, and 15 (2.7%) were unemployed.^[7]