Belmont, a suburb of Lower Hutt, to the north of Wellington in the North Island of New Zealand, lies on the west bank of the Hutt River, on State Highway 2 (SH 2), the Wellington-Hutt main road, and across the river from the centre of Lower Hutt.

It borders the Belmont Regional Park and features much native bush and scenic views. The Belmont Picnic Grounds were a popular venue for outings in the early 1900s. They were operated originally by Mr Kilminster (ca. 1911–1914), then by Mr C. E. Clarke (ca. 1914–1919) and finally by Mrs Eliza Presants, wife of Philip Robert Presants, ca. 1920–1932.

The Institute of Geological and Nuclear Sciences has a kiosk substation in the area. The site has rocky or very stiff soil.

Belmont Railway Station, New Zealand closed in 1954.

Belmont statistical area covers 2.36 km (0.91 sq mi). It had an estimated population of 2,990 as of June 2024, with a population density of 1,267 people per km.

Historical population for Belmont

Year	Pop.	±% p.a.
2006	2,346	—
2013	2,478	+0.79%
2018	2,691	+1.66%
Source:

		Kelson
	Belmont	Avalon
Tirohanga	Boulcott	Naenae

Belmont had a population of 2,691 at the 2018 New Zealand census, an increase of 213 people (8.6%) since the 2013 census, and an increase of 345 people (14.7%) since the 2006 census. There were 936 households, comprising 1,341 males and 1,350 females, giving a sex ratio of 0.99 males per female. The median age was 38.8 years (compared with 37.4 years nationally), with 495 people (18.4%) aged under 15 years, 486 (18.1%) aged 15 to 29, 1,371 (50.9%) aged 30 to 64, and 342 (12.7%) aged 65 or older.

Ethnicities were 80.9% European/Pākehā, 9.9% Māori, 3.6% Pasifika, 13.8% Asian, and 3.2% other ethnicities. People may identify with more than one ethnicity.

The percentage of people born overseas was 27.6, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 52.8% had no religion, 34.4% were Christian, 0.6% had Māori religious beliefs, 3.2% were Hindu, 0.8% were Muslim, 0.6% were Buddhist and 2.5% had other religions.

Of those at least 15 years old, 744 (33.9%) people had a bachelor's or higher degree, and 213 (9.7%) people had no formal qualifications. The median income was $48,000, compared with $31,800 nationally. 648 people (29.5%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 1,305 (59.4%) people were employed full-time, 342 (15.6%) were part-time, and 81 (3.7%) were unemployed.

Belmont Park statistical area covers 29.46 km (11.37 sq mi), substantially overlapping with the regional park. It does not include the Lower Hutt suburb of Belmont. It had an estimated population of 340 as of June 2024, with a population density of 12 people per km.

Historical population for Belmont Park

Year	Pop.	±% p.a.
2006	369	—
2013	336	−1.33%
2018	333	−0.18%
Source:

Belmont Park had a population of 333 at the 2018 New Zealand census, a decrease of 3 people (−0.9%) since the 2013 census, and a decrease of 36 people (−9.8%) since the 2006 census. There were 111 households, comprising 165 males and 171 females, giving a sex ratio of 0.96 males per female. The median age was 45.4 years (compared with 37.4 years nationally), with 72 people (21.6%) aged under 15 years, 45 (13.5%) aged 15 to 29, 180 (54.1%) aged 30 to 64, and 33 (9.9%) aged 65 or older.

Ethnicities were 95.5% European/Pākehā, 7.2% Māori, 0.9% Pasifika, 4.5% Asian, and 3.6% other ethnicities. People may identify with more than one ethnicity.

The percentage of people born overseas was 19.8, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 60.4% had no religion, 29.7% were Christian, 0.9% were Hindu, 0.9% were Buddhist and 0.9% had other religions.

Of those at least 15 years old, 93 (35.6%) people had a bachelor's or higher degree, and 30 (11.5%) people had no formal qualifications. The median income was $48,700, compared with $31,800 nationally. 99 people (37.9%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 144 (55.2%) people were employed full-time, 60 (23.0%) were part-time, and 3 (1.1%) were unemployed.

Belmont School is a co-educational state primary school for Year 1 to 6 students, with a roll of 341 students as of August 2024.

Raphael House Rudolf Steiner School is located in nearby Tirohanga.

• Raphael House official website
• Belmont Regional Park