Washington Valley is a major inner suburb of Nelson, New Zealand.

It lies to the west of Nelson city centre and south of Stepneyville and Beachville.

[5] The estimated population of Washington reached 2,510 in 1996, before dropping to 2,450 in 2001.

The percentage of people born overseas was 29.9, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 53.7% had no religion, 29.7% were Christian, 0.3% had Māori religious beliefs, 1.9% were Hindu, 0.1% were Muslim, 2.8% were Buddhist and 3.3% had other religions.