The Rutherford statistical area, which corresponds to the northern part of Nelson South, covers . It had an estimated population of as of with a population density of people per km2. Rutherford had a population of 2,547 in the
2023 New Zealand census, a decrease of 36 people (−1.4%) since the
2018 census, and an increase of 57 people (2.3%) since the
2013 census. There were 1,245 males, 1,290 females, and 15 people of
other genders in 1,017 dwellings. 4.9% of people identified as
LGBTIQ+. The median age was 44.2 years (compared with 38.1 years nationally). There were 420 people (16.5%) aged under 15 years, 411 (16.1%) aged 15 to 29, 1,221 (47.9%) aged 30 to 64, and 495 (19.4%) aged 65 or older. ==Education==