Cammeray is mostly a residential area. Some houses have waterfront access such as those in Cowdroy Avenue and the end of Cammeray Road, leading down to Folly Point.

Cammeray is named after the Cammeraygal, the Aboriginal tribe who once resided in the North Sydney area. Cammeray was the site of Sydney's first quarry, with sandstone blocks from the quarry making many of the first buildings in Sydney town.

Cammeray was for a time the home of Joseph Palmer Abbott, Australian politician and solicitor. Abbott built Tarella, a two-storey Italianate mansion in Amherst Street, c. 1886, on land he had acquired in 1881. Palmer Street in Cammeray was named after him. Tarella includes a coachhouse at the rear, with a distinctive clock tower. It is listed with the Heritage Council of New South Wales.

Amherst Street was named after William Pitt Amherst, who was Governor-General of India 1823-28.

According to the 2011 census of Population, there were 6,784 residents in Cammeray. In Cammeray, 62.5% of people were born in Australia. The most common other countries of birth were England 6.9%, New Zealand 3.6% and South Africa 1.5%. 79.1% of people only spoke English at home. Other languages spoken at home included Cantonese 2.0%, Japanese 1.5% and Mandarin 1.1%. The most common responses for religion in Cammeray were No Religion 27.8%, Catholic 25.3% and Anglican 20.1%.

Miller Street, the main thoroughfare of Cammeray, is lined with restaurants influenced by Chinese, Thai and Italian cuisine, as well as several cafes, the local post office, a petrol station and many other small businesses like dentists and jewellers. The Green Park shopping area makes a small hamlet, within the village of Cammeray. Stockland Cammeray is a shopping centre that feature Harris Farm Markets and around 17 speciality stores.

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