Warriewood is located 26 kilometres north of the Sydney central business district, in the local government area of Northern Beaches Council.

[3] There is also a small cluster of shops located on Narrabeen Park Parade opposite Warriewood Beach.

Warriewood Valley was identified by the NSW State Government as a potential land release area.

70.8% of people were born in Australia; the most common other countries of birth were England 7.4%, South Africa 1.7%, New Zealand 1.7%, Brazil 1.3% and United States of America 0.8%.

80.7% of people only spoke English at home; other languages spoken included Portuguese 2.0%, German 1.0%, Serbian 0.8%, Italian 0.8% and Croatian 0.8%.