Blenheim Population 2026
Blenheim has a population of 29,800, making it the #26 biggest city in 🇳🇿 New Zealand, located in Marlborough. Roughly 0.6% of New Zealand's population lives here. It is about 52× smaller than Auckland, the country's biggest city.
Population (city proper)
29,800
Rank in New Zealand
#26
Coordinates
41.52°S, 173.95°E
~9 m elevation · Pacific/Auckland
Distance to capital (Wellington)
73 km
45 miles, straight line
Cities near Blenheim
- Nelson54,400 people · ~62 km away
- Stoke20,260 people · ~64 km away
- Richmond19,950 people · ~67 km away
- Wellington381,900 people · ~73 km away
- Porirua61,500 people · ~86 km away
- Lower Hutt114,200 people · ~87 km away
FAQ
What is the population of Blenheim?
Blenheim has a population of 29,800 (city proper, latest official figure via GeoNames), making it the #26 biggest city in New Zealand.
What region is Blenheim in?
Blenheim is located in Marlborough, New Zealand.
Is Blenheim the capital of New Zealand?
No, the capital of New Zealand is Wellington, about 73 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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