According to the 2016 Census, there are 9,250 people in the Shire of Manjimup. Of these 50.4% are male and 49.6% female. Aboriginal and Torres Strait Islander people make up 3.3% of the population.
The median age of people in the Shire is 45 years. Children aged 0 - 14 years make up 18.7% of the population and people aged 65 years and over make up 19.8% of the population.
The most common ancestries in the Shire are English 32%, Australian 29.1%, Scottish 7.4%, Irish 6.2% and Italian 5.2%.
The most common responses for religion in the Shire are No Religion 36.7%, Catholic 20.5%, Anglican 16.9% and Uniting Church 3.4%.
There were 4,409 people who reported being in the labour force in the week before Census night in the Shire. Of these 54.8% were employed full time, 32.3% were employed part-time and 5.2% were unemployed. The most common occupations in Manjimup Shire included Managers 20.2%, Labourers 16.4%, Technicians and Trades Workers 13.4%, Professionals 11.5%, and Clerical and Administrative Workers 10.7%
Of the employed people in the Shire of Manjimup, 4.1% worked in Beef Cattle Farming (Specialised). Other major industries of employment included Accommodation 3.2%, Supermarket and Grocery Stores 3.1%, Local Government Administration 2.9% and Secondary Education 2.8%.
Of the families in the Shire, 36.7% are couple families with children, 48% couple families without children and 14.1% one parent families.