Three Kings covers and had an estimated population of as of with a population density of people per km2. Three Kings had a population of 4,095 in the
2023 New Zealand census, an increase of 204 people (5.2%) since the
2018 census, and an increase of 537 people (15.1%) since the
2013 census. There were 1,947 males, 2,130 females and 18 people of
other genders in 1,470 dwellings. 4.1% of people identified as
LGBTIQ+. The median age was 36.3 years (compared with 38.1 years nationally). There were 555 people (13.6%) aged under 15 years, 978 (23.9%) aged 15 to 29, 1,836 (44.8%) aged 30 to 64, and 726 (17.7%) aged 65 or older. ==Education==