Manawatu District had a population of 30,165 at the 2018 New Zealand census, an increase of 2,706 people (9.9%) since the 2013 census, and an increase of 4,095 people (15.7%) since the 2006 census. There were 11,193 households. There were 14,943 males and 15,222 females, giving a sex ratio of 0.98 males per female. Of the total population, 6,282 people (20.8%) were aged up to 15 years, 5,004 (16.6%) were 15 to 29, 13,473 (44.7%) were 30 to 64, and 5,406 (17.9%) were 65 or older. Figures may not add up to the total due to rounding.