Bromley comprises two statistical areas. Bromley South is primarily residential. Bromley North contains the industrial area, the sewage treatment plant, and some rural land.
Bromley South Bromley South covers . It had an estimated population of as of with a population density of people per km2. Bromley South had a population of 2,949 at the
2018 New Zealand census, an increase of 27 people (0.9%) since the
2013 census, and an increase of 9 people (0.3%) since the
2006 census. There were 1,086 households, comprising 1,488 males and 1,461 females, giving a sex ratio of 1.02 males per female. The median age was 35.0 years (compared with 37.4 years nationally), with 633 people (21.5%) aged under 15 years, 606 (20.5%) aged 15 to 29, 1,374 (46.6%) aged 30 to 64, and 336 (11.4%) aged 65 or older. Ethnicities were 75.0% European/
Pākehā, 19.4%
Māori, 12.1%
Pasifika, 7.4%
Asian, and 2.8% other ethnicities. People may identify with more than one ethnicity. The percentage of people born overseas was 16.8, compared with 27.1% nationally. Although some people chose not to answer the census's question about religious affiliation, 55.0% had no religion, 29.4% were
Christian, 0.9% had
Māori religious beliefs, 2.1% were
Hindu, 1.6% were
Muslim, 0.6% were
Buddhist and 2.1% had other religions. Of those at least 15 years old, 177 (7.6%) people had a bachelor's or higher degree, and 702 (30.3%) people had no formal qualifications. The median income was $28,000, compared with $31,800 nationally. 168 people (7.3%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 1,167 (50.4%) people were employed full-time, 303 (13.1%) were part-time, and 123 (5.3%) were unemployed.
Bromley North Bromley North covers . ==Education==