[citation needed] Brinkin is located on Darwin Harbour coastline at the southern end of Casuarina Beach, and is bounded by Trower Road to the north, Ellengowen Drive to the east and part of Rapid Creek and a stormwater drain to the south.

The population of Brinkin was predominantly Australian-born – 63.05% as at the 2006 census – while 4.41% were born in the United Kingdom.

Other significant groups include those of Greek (9.2%), Chinese, Italian, Indian and South East Asian descent.

The main occupations of Brinkin residents are in the public service, education and health.

The most popular religious affiliations in descending order in the 2006 census were Roman Catholic, no religion, Anglican, Greek Orthodox and Uniting.