Chirnside Park is a suburb in Melbourne, Victoria, Australia, 38 km north-east from Melbourne’s central business district, located within the Shire of Yarra Ranges local government area. Chirnside Park recorded a population of 11,779 at the 2021 census.

At the 2016 census, Chirnside Park had a population of 9,872 people. The median age of the Chirnside Park residents was 39 years of age, one year over the Australian average. 75.4% of residents were born in Australia, compared to the Australian average of 66.7%. The other top responses for country of birth were England 5.3%, Italy 1.7%, and New Zealand 1.3%. When asked about religion, the most common response was “No Religion” (35.1%), followed by Catholic (23.3%), and Anglican (11.9%).