Closeburn is a blend of acreage properties and small farms. Access to Closeburn from Brisbane is along Samford Road and Mount Samson Road.[citation needed]
The watercourse Cedar Creek enters the locality from the west (the locality of Cedar Creek) and exits to the south-east and east (Yugar / Draper / Clear Mountain).[3]
In the 2011 census, Closeburn recorded a population of 507 people, 49.5% female and 50.5% male.[7] The median age of the Closeburn population was 37 years, the same as the national median.[7] 80.7% of people living in Closeburn were born in Australia. The other top responses for country of birth were England 7.9%, New Zealand 2%, South Africa 1.2%, Finland 1%, Croatia 1%.[7] 95.5% of people spoke only English at home; the next most common languages were 1.2% Afrikaans, 0.8% Finnish, 0.6% Tagalog, 0.6% Italian.[7]
In the 2016 census, Closeburn had a population of 594 people.[8]
In the 2021 census, Closeburn had a population of 562 people.[1]
There are no schools in Closeburn. The nearest primary schools are Mount Samson State School in neighbouring Mount Samson to the north-west and Samford State School in Samford Village to the south-east. The nearest secondary school is Ferny Grove State High School in Ferny Grove to the south-east.[3]