Te Henui Stream runs through the suburb and State Highway 3 forms its western boundary.
Before the 2023 census, the suburb had a smaller boundary, covering 6.49 km2 (2.51 sq mi).
Although some people chose not to answer the census's question about religious affiliation, 49.7% had no religion, 37.7% were Christian, 0.5% had Māori religious beliefs, 1.5% were Hindu, 1.4% were Muslim, 0.6% were Buddhist and 1.5% had other religions.
[5] The Western Institute of Technology at Taranaki has its main campus in Welbourn.
[11] It was built on railway reserve land in 1932[4] and celebrated its 75th jubilee in 2008.