Allenton had a population of 6,789 at the 2018 New Zealand census, an increase of 459 people (7.3%) since the 2013 census, and an increase of 1,101 people (19.4%) since the 2006 census. There were 2,673 households, comprising 3,324 males and 3,468 females, giving a sex ratio of 0.96 males per female, with 1,254 people (18.5%) aged under 15 years, 1,107 (16.3%) aged 15 to 29, 2,787 (41.1%) aged 30 to 64, and 1,644 (24.2%) aged 65 or older.
Ethnicities were 85.1% European/Pākehā, 7.5% Māori, 6.0% Pasifika, 6.1% Asian, and 1.8% other ethnicities. People may identify with more than one ethnicity.
The percentage of people born overseas was 17.4, compared with 27.1% nationally.
Although some people chose not to answer the census's question about religious affiliation, 40.1% had no religion, 50.7% were Christian, 0.4% had Māori religious beliefs, 1.1% were Hindu, 0.3% were Muslim, 0.5% were Buddhist and 1.1% had other religions.
Of those at least 15 years old, 723 (13.1%) people had a bachelor's or higher degree, and 1,311 (23.7%) people had no formal qualifications. 861 people (15.6%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 2,634 (47.6%) people were employed full-time, 867 (15.7%) were part-time, and 126 (2.3%) were unemployed.[5]
