Statistics New Zealand describes Kerepēhi as a rural settlement. It covers and had an estimated population of as of with a population density of people per km2. It is part of the larger Hauraki Plains South statistical area. Kerepēhi had a population of 561 in the
2023 New Zealand census, an increase of 51 people (10.0%) since the
2018 census, and an increase of 156 people (38.5%) since the
2013 census. There were 291 males and 267 females in 192 dwellings. 1.6% of people identified as
LGBTIQ+. The median age was 35.8 years (compared with 38.1 years nationally). There were 132 people (23.5%) aged under 15 years, 105 (18.7%) aged 15 to 29, 249 (44.4%) aged 30 to 64, and 75 (13.4%) aged 65 or older.
Hauraki Plains South Hauraki Plains South, which also includes
Kaihere and
Patetonga, covers and had an estimated population of as of with a population density of people per km2. Hauraki Plains South had a population of 1,551 in the
2023 New Zealand census, an increase of 18 people (1.2%) since the
2018 census, and an increase of 156 people (11.2%) since the
2013 census. There were 789 males and 759 females in 537 dwellings. 2.1% of people identified as
LGBTIQ+. The median age was 36.4 years (compared with 38.1 years nationally). There were 381 people (24.6%) aged under 15 years, 255 (16.4%) aged 15 to 29, 702 (45.3%) aged 30 to 64, and 210 (13.5%) aged 65 or older. ==Education==