The Nelson Central-Trafalgar statistical area covers . It had an estimated population of as of with a population density of people per km2. Nelson Central-Trafalgar had a population of 660 in the
2023 New Zealand census, a decrease of 15 people (−2.2%) since the
2018 census, and an increase of 81 people (14.0%) since the
2013 census. There were 369 males, 282 females, and 9 people of
other genders in 309 dwellings. 7.7% of people identified as
LGBTIQ+. The median age was 40.4 years (compared with 38.1 years nationally). There were 63 people (9.5%) aged under 15 years, 171 (25.9%) aged 15 to 29, 300 (45.5%) aged 30 to 64, and 123 (18.6%) aged 65 or older. ==Education==