Witherlea
Witherlea is a suburb to the south of Blenheim's central district.
The Blenheim hospital campus, which includes Wairau Hospital, is in Witherlea.
Omaka Cemetery has graves from early Pākehā settlement in the Wairau area.
Demographics
Witherlea covers. It had an estimated population of as of with a population density of people per km2.Witherlea had a population of 5,409 at the 2018 New Zealand census, an increase of 576 people since the 2013 census, and an increase of 846 people since the 2006 census. There were 2,115 households, comprising 2,631 males and 2,775 females, giving a sex ratio of 0.95 males per female, with 987 people aged under 15 years, 741 aged 15 to 29, 2,409 aged 30 to 64, and 1,269 aged 65 or older.
Ethnicities were 90.0% European/Pākehā, 10.0% Māori, 2.1% Pasifika, 4.0% Asian, and 2.8% other ethnicities. People may identify with more than one ethnicity.
The percentage of people born overseas was 17.8, compared with 27.1% nationally.
Although some people chose not to answer the census's question about religious affiliation, 50.4% had no religion, 38.5% were Christian, 0.4% had Māori religious beliefs, 0.6% were Hindu, 0.2% were Muslim, 0.5% were Buddhist and 1.7% had other religions.
Of those at least 15 years old, 786 people had a bachelor's or higher degree, and 831 people had no formal qualifications. 714 people earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 2,172 people were employed full-time, 708 were part-time, and 81 were unemployed.
| Name | Area | Population | Density | Households | Median age | Median income |
| Witherlea West | 2.44 | 2,601 | 1,066 | 1,017 | 46.4 years | $35,400 |
| Witherlea East | 1.37 | 2,808 | 2,050 | 1,098 | 44.2 years | $34,400 |
| New Zealand | 37.4 years | $31,800 |