Beach Haven, comprising the statistical areas of Beach Haven West, Beach Haven East and Beach Haven South, had a population of 10,566 at the 2018 New Zealand census, an increase of 429 people (4.2%) since the 2013 census, and an increase of 735 people (7.5%) since the 2006 census. There were 3,549 households. There were 5,217 males and 5,349 females, giving a sex ratio of 0.98 males per female, with 2,337 people (22.1%) aged under 15 years, 2,076 (19.6%) aged 15 to 29, 5,070 (48.0%) aged 30 to 64, and 1,080 (10.2%) aged 65 or older.