 Total NZ by territorial authority/subdivision | Total people, age | | 4,442,100 | 4,509,700 | 4,595,700 | 4,692,700 |
| Far North district | | 60,600 | 61,000 | 61,300 | 62,000 |
| Whangarei district | | 83,700 | 84,400 | 85,900 | 87,600 |
| Kaipara district | | 20,500 | 20,700 | 21,100 | 21,700 |
| Auckland | | 1,493,200 | 1,526,900 | 1,569,900 | 1,614,400 |
| Thames-Coromandel district | | 27,300 | 27,500 | 27,800 | 28,400 |
| Hauraki district | | 18,600 | 18,800 | 19,100 | 19,550 |
| Waikato district | | 66,500 | 68,000 | 69,500 | 71,200 |
| Matamata-Piako district | | 32,900 | 33,300 | 33,600 | 34,100 |
| Hamilton city | | 150,200 | 153,000 | 156,800 | 161,200 |
| Waipa district | | 48,700 | 49,300 | 50,400 | 51,600 |
| Otorohanga district | | 9,590 | 9,650 | 9,720 | 9,980 |
| South Waikato district | | 23,200 | 23,300 | 23,500 | 23,800 |
| Waitomo district | | 9,340 | 9,400 | 9,530 | 9,660 |
| Taupo district | | 34,800 | 35,100 | 35,600 | 36,200 |
| Western Bay of Plenty district | | 45,500 | 45,900 | 46,800 | 47,800 |
| Tauranga city | | 119,800 | 121,800 | 124,600 | 128,200 |
| Rotorua district | | 68,400 | 68,500 | 69,200 | 70,500 |
| Whakatane district | | 34,200 | 34,300 | 34,600 | 35,000 |
| Kawerau district | | 6,650 | 6,600 | 6,660 | 6,800 |
| Opotiki district | | 8,780 | 8,830 | 8,810 | 8,820 |
| Gisborne district | | 47,000 | 47,100 | 47,400 | 47,800 |
| Wairoa district | | 8,300 | 8,200 | 8,180 | 8,150 |
| Hastings district | | 76,700 | 77,400 | 77,900 | 78,600 |
| Napier city | | 59,600 | 60,000 | 60,400 | 61,100 |
| Central Hawke's Bay district | | 13,250 | 13,250 | 13,450 | 13,600 |
| New Plymouth district | | 77,100 | 78,200 | 79,000 | 79,800 |
| Stratford district | | 9,210 | 9,260 | 9,220 | 9,300 |
| South Taranaki district | | 27,500 | 27,500 | 27,700 | 27,700 |
| Ruapehu district | | 12,450 | 12,450 | 12,450 | 12,500 |
| Whanganui district | | 43,500 | 43,400 | 43,600 | 43,800 |
| Rangitikei district | | 14,550 | 14,600 | 14,700 | 14,800 |
| Manawatu district | | 28,500 | 28,800 | 29,300 | 29,800 |
| Palmerston North city | | 83,500 | 84,400 | 85,500 | 86,300 |
| Tararua district | | 17,450 | 17,350 | 17,400 | 17,550 |
| Horowhenua district | | 31,200 | 31,300 | 31,400 | 31,900 |
| Kapiti Coast district | | 50,700 | 51,100 | 51,400 | 52,100 |
| Porirua city | | 53,700 | 54,100 | 54,500 | 55,400 |
| Upper Hutt city | | 41,300 | 41,800 | 42,000 | 42,600 |
| Lower Hutt city | | 101,200 | 101,700 | 102,000 | 103,400 |
| Wellington city | | 197,500 | 200,000 | 203,800 | 207,900 |
| Masterton district | | 24,100 | 24,200 | 24,400 | 24,600 |
| Carterton district | | 8,490 | 8,680 | 8,790 | 8,900 |
| South Wairarapa district | | 9,800 | 9,920 | 10,000 | 10,100 |
| Tasman district | | 48,800 | 49,100 | 49,500 | 50,200 |
| Nelson city | | 48,700 | 49,300 | 49,900 | 50,600 |
| Marlborough district | | 44,700 | 44,800 | 45,300 | 45,500 |
| Kaikoura district | | 3,640 | 3,640 | 3,660 | 3,730 |
| Buller district | | 10,650 | 10,550 | 10,350 | 10,200 |
| Grey district | | 13,700 | 13,600 | 13,650 | 13,550 |
| Westland district | | 8,570 | 8,640 | 8,720 | 8,760 |
| Hurunui district | | 12,000 | 12,200 | 12,500 | 12,700 |
| Waimakariri district | | 52,300 | 54,400 | 56,400 | 57,800 |
| Christchurch city | | 356,700 | 361,900 | 367,800 | 374,900 |
| Selwyn district | | 46,700 | 49,500 | 52,700 | 56,200 |
| Ashburton district | | 32,300 | 32,800 | 33,200 | 33,700 |
| Timaru district | | 45,400 | 45,900 | 46,200 | 46,700 |
| Mackenzie district | | 4,300 | 4,320 | 4,440 | 4,520 |
| Waimate district | | 7,810 | 7,880 | 7,870 | 7,950 |
| Chatham Islands territory | | 600 | 600 | 610 | 610 |
| Waitaki district | | 21,400 | 21,700 | 21,900 | 22,100 |
| Central Otago district | | 18,500 | 18,850 | 19,200 | 19,700 |
| Queenstown-Lakes district | | 29,700 | 30,900 | 32,400 | 34,700 |
| Dunedin city | | 123,500 | 124,600 | 125,800 | 127,000 |
| Clutha district | | 17,250 | 17,350 | 17,400 | 17,450 |
| Southland district | | 30,300 | 30,400 | 30,600 | 30,900 |
| Gore district | | 12,400 | 12,400 | 12,450 | 12,450 |
| Area outside territorial authority | | 50 | 50 | 50 | 50 |