The estimated population in Blackburn as of 2011 census was 12,796 and the postcode of this region is 3130.
Apart from this, the land area of this region covers nearly 5.8km2 and the suburbs which are surrounded by Blackburn are Box Hill North, Box Hill to the west, Box Hill South, Blackburn South, Blackurn North, Nunawading to the east and Forest Hill.
Blackburn has two railway stations (Laburnum and Blackburn), lies on the Belgrave and Lilydale railway lines. The primary shopping centre is located at Boxhill and Forest hill. Accessing to these places, one should take trains or buses. In addition, the suburb includes three bushland parks: the Blackburn Lake Sanctuary, the Blackburn Creeklands Park, followed by Gardiners Creek and Cootamundra walk.
Blackburn comprises six schools: Laurn Primary School, Blackburn Primary School, Blackburn Lake Primary School, Old Orchard Primary School St Thomas the Apostle Primary School and Blackburn High School.