In the 2011 census, Munruben recorded a population of 2,809 people, 48% female and 52% male.
The median age of the Munruben population was 38 years, 1 year above the national median of 37.
77.6% of people living in Munruben were born in Australia. The other top responses for country of birth were England 5.8%, New Zealand 5%, Germany 1%, Scotland 0.7%, South Africa 0.7%.
91.1% of people spoke only English at home; the next most common languages were 0.8% German, 0.7% Hmong, 0.5% Hindi, 0.5% Serbian, 0.4% Vietnamese.