Witherlea is a suburb to the south of Blenheim's central district.

[5] Omaka Cemetery has graves from early Pākehā settlement in the Wairau area.

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.

[7] Witherlea School is a coeducational contributing primary (years 1-6) school with a roll of 392 students as of November 2024.