maffra is a town in victoria, australia, east of melbourne. it is in the shire of wellington local government area. it relies mainly on dairy farming and other agriculture, and is the site of one of murray-goulburn cooperative's eight processing plants in victoria. maffra is a detour off the princes highway and is near sale, stratford, newry, tinamba, heyfield and rosedale. at the 2016 census, maffra had a population of 4,316.