Trentham, New Zealand
Trentham is the most populous suburb of Upper Hutt, a city in the Wellington region of New Zealand. The suburb is located in a widening of the Hutt Valley, five kilometres to the southwest of the Upper Hutt city centre.
The suburb includes the Trentham Racecourse, the base of the Wellington Racing Club, the site of Hutt International Boys' School, and the Trentham Railway Station.
The Trentham Military Camp was used extensively for training soldiers in preparation for World War I and World War II. It is still a base for the New Zealand Defence Force.
A General Motors-Holden assembly plant operated in Trentham between 1967 and 1990.
History
The area was settled in the 1840s.The name "Trentham" was initially given by Richard Barton, the first European Settler in the area, in honour of his former employer, the Duke of Sutherland. One of the Duke of Sutherland's subsidiary titles was Viscount Trentham, of Trentham in the County of Stafford.
The Barton family memory lives on in the area, with Barton Road, Barton Avenue and an area of native trees called Barton's Bush, which is within the reserve now known as Trentham Memorial Park. Richard Barton was interred in the grounds of St John's Church, and there are also memorials to him in the form of brass plaques within the Church building.
Demographics
Trentham, comprising the statistical areas of Poets Block, Brentwood, Trentham North and Trentham South, covers. It had an estimated population of as of with a population density of people per km2.Trentham had a population of 10,956 in the 2023 New Zealand census, an increase of 1,353 people since the 2018 census, and an increase of 2,427 people since the 2013 census. There were 5,544 males, 5,355 females, and 54 people of other genders in 4,059 dwellings. 3.5% of people identified as LGBTIQ+. The median age was 37.7 years. There were 2,022 people aged under 15 years, 1,923 aged 15 to 29, 5,223 aged 30 to 64, and 1,788 aged 65 or older.
People could identify as more than one ethnicity. The results were 69.5% European ; 18.8% Māori; 7.7% Pasifika; 17.9% Asian; 1.7% Middle Eastern, Latin American and African New Zealanders ; and 2.8% other, which includes people giving their ethnicity as "New Zealander". English was spoken by 95.5%, Māori by 4.1%, Samoan by 2.2%, and other languages by 16.2%. No language could be spoken by 2.7%. New Zealand Sign Language was known by 0.7%. The percentage of people born overseas was 26.3, compared with 28.8% nationally.
Religious affiliations were 34.5% Christian, 5.3% Hindu, 1.2% Islam, 1.2% Māori religious beliefs, 1.1% Buddhist, 0.6% New Age, 0.1% Jewish, and 3.2% other religions. People who answered that they had no religion were 46.9%, and 6.3% of people did not answer the census question.
Of those at least 15 years old, 2,079 people had a bachelor's or higher degree, 4,614 had a post-high school certificate or diploma, and 2,235 people exclusively held high school qualifications. The median income was $43,600, compared with $41,500 nationally. 1,230 people earned over $100,000 compared to 12.1% nationally. The employment status of those at least 15 was 4,725 full-time, 894 part-time, and 240 unemployed.
| Name | Area | Population | Density | Dwellings | Median age | Median income |
| Poets Block | 1.24 | 2,427 | 1,957 | 903 | 36.6 years | $46,000 |
| Brentwood | 0.98 | 2,409 | 2,458 | 852 | 35.9 years | $46,100 |
| Trentham North | 1.02 | 2,988 | 2,929 | 1,290 | 41.6 years | $38,500 |
| Trentham South | 8.12 | 3,132 | 386 | 1,017 | 36.6 years | $45,700 |
| New Zealand | 38.1 years | $41,500 |
Education
Trentham School is a state primary school for Year 1 to 6 students, with a roll of. It opened in 1929.Brentwood School, a state primary school for year 1 to 6 students, opened in 1955 to deal with the overflow from Trentham School. The school was closed in 2004 and merged with Trentham School.
Fergusson Intermediate is a state intermediate school for Year 7 to 8 students, with a roll of. It opened in 1966.
Upper Hutt College is a state secondary school for Year 9 to 15 students, with a roll of. It was founded in 1962.
Hutt International Boys' School is a state-integrated Christian secondary school for Year 7 to 13 students, with a roll of. It was founded in 1991.
All of these schools except Hutt International Boys' are co-educational. Rolls are as of