Demographics
Ohangai statistical area covers 331.78 km2 (128.10 sq mi) and had an estimated population of 650 as of June 2025, with a population density of 2.0 people per km2.
Historical population| Year | | |
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| 2006 | 588 | — |
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| 2013 | 570 | −0.44% |
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| 2018 | 537 | −1.19% |
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| 2023 | 612 | +2.65% |
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| Source: |
The statistical area had a population of 612 in the 2023 New Zealand census, an increase of 75 people (14.0%) since the 2018 census, and an increase of 42 people (7.4%) since the 2013 census. There were 321 males, 285 females, and 6 people of other genders in 207 dwellings. 2.9% of people identified as LGBTIQ+. The median age was 35.2 years (compared with 38.1 years nationally). There were 156 people (25.5%) aged under 15 years, 93 (15.2%) aged 15 to 29, 303 (49.5%) aged 30 to 64, and 60 (9.8%) aged 65 or older.
People could identify as more than one ethnicity. The results were 84.3% European (Pākehā); 20.1% Māori; 2.0% Pasifika; 2.9% Asian; 1.5% Middle Eastern, Latin American and African New Zealanders (MELAA); and 2.9% other, which includes people giving their ethnicity as "New Zealander". English was spoken by 98.0%, Māori by 4.4%, and other languages by 4.4%. No language could be spoken by 2.0% (e.g. too young to talk). New Zealand Sign Language was known by 0.5%. The percentage of people born overseas was 11.3, compared with 28.8% nationally.
Religious affiliations were 28.4% Christian, 1.0% Māori religious beliefs, 1.0% Buddhist, 0.5% New Age, and 0.5% other religions. People who answered that they had no religion were 58.3%, and 9.8% of people did not answer the census question.
Of those at least 15 years old, 66 (14.5%) people had a bachelor's or higher degree, 279 (61.2%) had a post-high school certificate or diploma, and 114 (25.0%) people exclusively held high school qualifications. The median income was $45,700, compared with $41,500 nationally. 57 people (12.5%) earned over $100,000 compared to 12.1% nationally. The employment status of those at least 15 was 270 (59.2%) full-time, 72 (15.8%) part-time, and 12 (2.6%) unemployed.
