Ohangai statistical area covers and had an estimated population of as of with a population density of people per km2. 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. ==Marae==