Waerenga locality covers . It is part of the larger Waerenga statistical area. Waerenga had a population of 156 in the
2023 New Zealand census, unchanged since the
2018 census, and a decrease of 6 people (−3.7%) since the
2013 census. There were 75 males and 81 females in 66 dwellings. 1.9% of people identified as
LGBTIQ+. The median age was 47.7 years (compared with 38.1 years nationally). There were 18 people (11.5%) aged under 15 years, 36 (23.1%) aged 15 to 29, 69 (44.2%) aged 30 to 64, and 30 (19.2%) aged 65 or older.
Waerenga statistical area The Waerenga statistical area covers and had an estimated population of as of with a population density of people per km2. Waerenga statistical area had a population of 921 in the
2023 New Zealand census, an increase of 6 people (0.7%) since the
2018 census, and an increase of 66 people (7.7%) since the
2013 census. There were 465 males, 447 females and 6 people of
other genders in 339 dwellings. 2.6% of people identified as
LGBTIQ+. The median age was 45.6 years (compared with 38.1 years nationally). There were 150 people (16.3%) aged under 15 years, 147 (16.0%) aged 15 to 29, 480 (52.1%) aged 30 to 64, and 141 (15.3%) aged 65 or older. == Marae ==