 Total NZ by territorial authority/ward | | 4,900,600 | 4,979,200 | 5,090,200 | 5,111,400 | 5,124,100 |
| Far North district | | 67,900 | 69,200 | 71,400 | 73,000 | 73,800 |
| Whangarei district | | 94,100 | 95,600 | 97,800 | 99,300 | 100,500 |
| Kaipara district | | 23,700 | 24,300 | 25,400 | 26,500 | 27,200 |
| Auckland | | 1,654,800 | 1,681,300 | 1,714,200 | 1,704,100 | 1,695,200 |
| Thames-Coromandel district | | 30,700 | 31,200 | 32,500 | 33,300 | 33,700 |
| Hauraki district | | 20,700 | 21,000 | 21,500 | 22,000 | 22,200 |
| Waikato district | | 78,200 | 80,500 | 83,800 | 86,700 | 88,900 |
| Matamata-Piako district | | 35,300 | 35,800 | 36,400 | 36,800 | 37,100 |
| Hamilton city | | 168,600 | 172,500 | 177,400 | 179,100 | 179,900 |
| Waipa district | | 55,000 | 56,400 | 58,500 | 59,800 | 60,500 |
| Otorohanga district | | 10,500 | 10,600 | 10,750 | 10,800 | 10,850 |
| South Waikato district | | 24,800 | 25,100 | 25,400 | 25,600 | 25,900 |
| Waitomo district | | 9,630 | 9,600 | 9,680 | 9,710 | 9,670 |
| Taupo district | | 38,600 | 39,400 | 40,500 | 41,000 | 41,400 |
| Western Bay of Plenty district | | 53,000 | 54,400 | 57,000 | 58,500 | 59,700 |
| Tauranga city | | 142,500 | 146,800 | 153,000 | 156,100 | 158,300 |
| Rotorua district | | 74,800 | 75,700 | 77,100 | 76,900 | 76,800 |
| Whakatane district | | 37,100 | 37,500 | 38,000 | 38,200 | 38,300 |
| Kawerau district | | 7,460 | 7,550 | 7,620 | 7,690 | 7,760 |
| Opotiki district | | 9,670 | 9,950 | 10,250 | 10,400 | 10,500 |
| Gisborne district | | 49,500 | 50,200 | 51,400 | 51,800 | 52,100 |
| Wairoa district | | 8,720 | 8,800 | 8,940 | 9,090 | 9,190 |
| Hastings district | | 84,700 | 86,000 | 89,400 | 90,200 | 90,600 |
| Napier city | | 64,200 | 65,100 | 66,200 | 66,600 | 66,800 |
| Central Hawke's Bay district | | 14,650 | 14,900 | 15,400 | 15,700 | 15,950 |
| New Plymouth district | | 83,300 | 84,700 | 86,300 | 87,200 | 87,700 |
| Stratford district | | 9,710 | 9,890 | 10,000 | 10,100 | 10,150 |
| South Taranaki district | | 28,300 | 28,600 | 29,000 | 29,300 | 29,600 |
| Ruapehu district | | 12,750 | 12,800 | 12,950 | 13,000 | 13,000 |
| Whanganui district | | 46,800 | 47,200 | 47,900 | 48,400 | 48,700 |
| Rangitikei district | | 15,450 | 15,650 | 15,900 | 16,000 | 16,100 |
| Manawatu district | | 31,100 | 31,700 | 32,600 | 33,400 | 33,900 |
| Palmerston North city | | 88,300 | 89,300 | 90,400 | 90,400 | 90,400 |
| Tararua district | | 18,450 | 18,700 | 18,800 | 18,950 | 19,050 |
| Horowhenua district | | 34,500 | 35,100 | 35,900 | 36,500 | 37,000 |
| Kapiti Coast district | | 55,200 | 56,100 | 57,200 | 57,400 | 57,600 |
| Porirua city | | 58,900 | 59,800 | 60,600 | 61,100 | 61,600 |
| Upper Hutt city | | 45,400 | 46,200 | 46,800 | 47,300 | 47,700 |
| Lower Hutt city | | 108,600 | 109,900 | 111,800 | 112,200 | 112,500 |
| Wellington city | | 211,200 | 212,900 | 216,500 | 215,400 | 213,100 |
| Masterton district | | 26,400 | 26,900 | 27,700 | 28,400 | 29,000 |
| Carterton district | | 9,510 | 9,660 | 9,890 | 10,100 | 10,250 |
| South Wairarapa district | | 10,900 | 11,100 | 11,400 | 11,600 | 11,750 |
| Tasman district | | 54,000 | 54,900 | 57,300 | 58,100 | 58,700 |
| Nelson city | | 52,700 | 53,400 | 54,900 | 54,700 | 54,500 |
| Marlborough district | | 48,700 | 49,300 | 51,300 | 51,600 | 51,900 |
| Kaikoura district | | 4,060 | 4,110 | 4,200 | 4,160 | 4,160 |
| Buller district | | 9,850 | 9,760 | 9,770 | 9,870 | 9,730 |
| Grey district | | 13,750 | 13,850 | 14,100 | 14,200 | 14,200 |
| Westland district | | 8,830 | 8,830 | 8,910 | 8,870 | 8,820 |
| Hurunui district | | 12,950 | 13,100 | 13,450 | 13,550 | 13,700 |
| Waimakariri district | | 61,300 | 62,800 | 64,700 | 66,600 | 67,900 |
| Christchurch city | | 383,800 | 387,200 | 391,600 | 390,000 | 389,300 |
| Selwyn district | | 63,300 | 66,300 | 70,300 | 75,700 | 79,300 |
| Ashburton district | | 34,600 | 34,900 | 35,700 | 36,100 | 36,300 |
| Timaru district | | 47,600 | 47,900 | 48,300 | 48,500 | 48,500 |
| Mackenzie district | | 5,100 | 5,280 | 5,440 | 5,420 | 5,460 |
| Waimate district | | 8,120 | 8,180 | 8,270 | 8,300 | 8,320 |
| Chatham Islands territory | | 690 | 710 | 750 | 770 | 800 |
| Waitaki district | | 22,900 | 23,200 | 23,700 | 23,900 | 24,000 |
| Central Otago district | | 22,200 | 23,000 | 24,300 | 24,800 | 25,500 |
| Queenstown-Lakes district | | 42,500 | 44,800 | 47,700 | 48,600 | 49,500 |
| Dunedin city | | 131,200 | 132,100 | 132,800 | 130,800 | 130,400 |
| Clutha district | | 18,050 | 18,150 | 18,450 | 18,500 | 18,650 |
| Southland district | | 31,900 | 32,200 | 32,600 | 32,600 | 32,600 |
| Gore district | | 12,800 | 12,850 | 13,000 | 12,950 | 13,000 |
| Invercargill city | | 55,900 | 56,600 | 57,200 | 57,000 | 56,800 |
| Area outside territorial authority | | 40 | 40 | 40 | 40 | 40 |