Map of Waikato

History

Before the arrival of Europeans, the Waikato contained the third most densely populated part of New Zealand, after Northland/Auckland and the Bay of Plenty. The Waikato rohe (area) was inhabited by iwi (tribes) such as those of the Tainui confederation, including Waikato and Ngāti Toa. Between about 1750 and 1842 the area was subject to a large number of invasions by other Māori iwi and hapu confederations and large scale population migrations took place by a number of hapū and iwi. The largest battle ever fought in New Zealand took place near Ōhaupō about 1790–1805, between two competing alliances of hapū. During the latter stages of this volatile period, known as the Musket Wars (1807–1845), conflict led to a migration south to Taranaki and eventually Kapiti Island.

Geography

To the west, the region is bounded by the Tasman Sea. The coastal region is largely rough hill country, known locally as the Hakarimata Range, though it is more gently undulating in the north, closer to the mouth of the Waikato River. The coast is punctured by three large natural harbours: Raglan Harbour, Aotea Harbour, and Kāwhia Harbour. The area around Raglan is noted for its volcanic black sand beaches and for its fine surfing conditions at Manu Bay and Ruapuke beach.

To the east of the coastal hills lies the broad alluvial plain of the Waikato River.

Economy

The subnational gross domestic product (GDP) of the Waikato region was estimated at NZ$25.84 billion in the year to March 2019, 8.5% of New Zealand's national GDP. The subnational GDP per capita was estimated at $54,128 in the same period. In the year to March 2018, primary industries contributed $3.14 billion (13.0%) to the regional GDP, goods-producing industries contributed $5.70 billion (23.5%), service industries contributed $13.35 billion (55.0%), and taxes and duties contributed $2.08 billion (8.6%).

Between 2000 and 2004, Waikato economic growth was lower than the national average. But from 2004 to 2007, real gross regional product for the Waikato Region increased by 5 per cent per year compared with 3.2 per cent for the national average.

Demographics

Waikato Region covers 23,900.95 km2 (9,228.21 sq mi) and had an estimated population of 532,100 as of June 2025, with a population density of 22 people per km2.

Waikato Region had a population of 498,771 in the 2023 New Zealand census, an increase of 40,569 people (8.9%) since the 2018 census, and an increase of 95,130 people (23.6%) since the 2013 census. There were 246,723 males, 250,380 females and 1,671 people of other genders in 180,006 dwellings. 2.8% of people identified as LGBTIQ+. The median age was 37.9 years (compared with 38.1 years nationally).