Brockville covers and had an estimated population of as of with a population density of people per km2. Brockville had a population of 2,409 at the
2018 New Zealand census, an increase of 114 people (5.0%) since the
2013 census, and a decrease of 30 people (−1.2%) since the
2006 census. There were 885 households, comprising 1,176 males and 1,233 females, giving a sex ratio of 0.95 males per female. The median age was 36.1 years (compared with 37.4 years nationally), with 528 people (21.9%) aged under 15 years, 468 (19.4%) aged 15 to 29, 1,074 (44.6%) aged 30 to 64, and 339 (14.1%) aged 65 or older. Ethnicities were 79.7% European/
Pākehā, 14.1%
Māori, 6.8%
Pasifika, 6.4%
Asian, and 5.1% other ethnicities. People may identify with more than one ethnicity. The percentage of people born overseas was 15.9, compared with 27.1% nationally. Although some people chose not to answer the census's question about religious affiliation, 55.8% had no religion, 29.1% were
Christian, 0.9% had
Māori religious beliefs, 0.9% were
Hindu, 3.6% were
Muslim, 0.4% were
Buddhist and 2.2% had other religions. Of those at least 15 years old, 294 (15.6%) people had a bachelor's or higher degree, and 495 (26.3%) people had no formal qualifications. The median income was $24,900, compared with $31,800 nationally. 138 people (7.3%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 849 (45.1%) people were employed full-time, 264 (14.0%) were part-time, and 87 (4.6%) were unemployed. ==Notable people==