Brumley is a town in Miller County, Missouri, United States. The population was 69 at the 2020 census, down from 91 in 2010. There is uncertainty when Brumley was first laid out. Years given are 1858, 1869, and 1877. The source of the name "Brumley" is also disputed. A post office called Brumley has been in operation since 1863.