Dunsandel is described by Statistics New Zealand as a rural settlement, and covers . It had an estimated population of as of with a population density of people per km2. It is part of the Bankside statistical area. Dunsandel had a population of 438 at the
2018 New Zealand census, a decrease of 3 people (−0.7%) since the
2013 census, and an increase of 39 people (9.8%) since the
2006 census. There were 156 households, comprising 210 males and 228 females, giving a sex ratio of 0.92 males per female, with 105 people (24.0%) aged under 15 years, 63 (14.4%) aged 15 to 29, 213 (48.6%) aged 30 to 64, and 57 (13.0%) aged 65 or older. Ethnicities were 93.8% European/
Pākehā, 9.6%
Māori, 0.7%
Pasifika, and 1.4%
Asian. People may identify with more than one ethnicity. Although some people chose not to answer the census's question about religious affiliation, 65.1% had no religion, 23.3% were
Christian, 0.7% had
Māori religious beliefs and 2.1% had other religions. Of those at least 15 years old, 33 (9.9%) people had a bachelor's or higher degree, and 63 (18.9%) people had no formal qualifications. 72 people (21.6%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 207 (62.2%) people were employed full-time, 45 (13.5%) were part-time, and 9 (2.7%) were unemployed.
Bankside The Bankside statistical area covers . ==Education==