| Sefton | |
| Coordinates: | -43.247°N 172.667°W |
| Subdivision Type: | Country |
| Subdivision Name: | New Zealand |
| Subdivision Type1: | Region |
| Subdivision Name1: | Canterbury |
| Subdivision Type2: | Territorial authority |
| Subdivision Name2: | Waimakariri District |
| Subdivision Type3: | Ward |
| Subdivision Name3: | Kaiapoi-Woodend Ward |
| Subdivision Type4: | Community |
| Subdivision Name4: | Woodend-Sefton Community |
| Seat Type: | Electorates |
| Leader Title: | Territorial Authority |
| Leader Name: | Waimakariri District Council |
| Leader Title1: | Regional council |
| Leader Name1: | Environment Canterbury |
| Leader Title2: | Mayor of Waimakariri |
| Leader Title3: | Kaikōura MP |
| Leader Title4: | Te Tai Tonga MP |
| Unit Pref: | Metric |
| Area Total Km2: | 0.87 |
| Population Density Km2: | auto |
| Timezone1: | NZST |
| Utc Offset1: | +12 |
| Timezone1 Dst: | NZDT |
| Utc Offset1 Dst: | +13 |
| Postal Code Type: | Postcode |
| Postal Code: | 7472 |
| Area Code: | 03 |
Sefton is a small town in the Waimakariri District, New Zealand, about 23km (14miles) from Christchurch.[1]
In 1886, it had a census population of 276 and was a station on the Christchurch Ashley line.[1] In 1891 it had a population of 390, of which 202 were male and 188 were female.[2] In the 2018 census, the population was 207.
Sefton has one school: Sefton School (est. 1884).[3] It is a decile 7 state non-integrated co-educational full primary, with students (as of The principal is Heidi Moeller-Kemp.
Sefton is described by Statistics New Zealand as a rural settlement and covers 0.87km2.[4] It had an estimated population of as of with a population density of people per km2. Sefton is part of the larger Ashley-Sefton statistical area.
Sefton had a population of 207 at the 2018 New Zealand census, a decrease of 18 people (−8.0%) since the 2013 census, and a decrease of 24 people (−10.4%) since the 2006 census. There were 84 households, comprising 117 males and 93 females, giving a sex ratio of 1.26 males per female. The median age was 41.2 years (compared with 37.4 years nationally), with 45 people (21.7%) aged under 15 years, 27 (13.0%) aged 15 to 29, 102 (49.3%) aged 30 to 64, and 33 (15.9%) aged 65 or older.
Ethnicities were 95.7% European/Pākehā, 5.8% Māori, 2.9% Asian, and 2.9% other ethnicities. People may identify with more than one ethnicity.
Although some people chose not to answer the census's question about religious affiliation, 65.2% had no religion, 26.1% were Christian, and 2.9% were Muslim.
Of those at least 15 years old, 21 (13.0%) people had a bachelor's or higher degree, and 51 (31.5%) people had no formal qualifications. The median income was $32,600, compared with $31,800 nationally. 21 people (13.0%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 78 (48.1%) people were employed full-time, 36 (22.2%) were part-time, and 3 (1.9%) were unemployed.