Raglan had a population of 3,279 at the 2018 New Zealand census, an increase of 573 people (21.2%) since the 2013 census, and an increase of 651 people (24.8%) since the 2006 census. There were 1,251 households. There were 1,602 males and 1,677 females, giving a sex ratio of 0.96 males per female. The median age was 39.6 years, with 672 people (20.5%) aged under 15 years, 477 (14.5%) aged 15 to 29, 1,620 (49.4%) aged 30 to 64, and 507 (15.5%) aged 65 or older.