Durham Ox is a locality in the Shire of Loddon, Victoria, Australia. It is situated near the Serpentine Creek, a tributary of the Loddon River. T…Durham Ox is a locality in the Shire of Loddon, Victoria, Australia. It is situated near the Serpentine Creek, a tributary of the Loddon River. This is a highly valuable natural resource to both the local tourism and agricultural economies. At the 2016 census, Durham Ox had a population of 74.