North‑west of Sydney’s CBD by about 41 kilometres, Kellyville Ridge forms part of Blacktown City in postcode 2155 and encompasses some 2.6 km². In the 2021 census, the suburb recorded 10,890 residents, up from just over 10,400 in 2016, with a median age of 35 years.
Over half of residents were born in Australia (54 per cent), with India (13 per cent), the Philippines, China and Fiji among the next most common birthplaces. English is spoken exclusively at home by just over half (52.8 per cent); Hindi, Punjabi, Mandarin, Gujarati and Arabic also feature.
Kellyville Ridge supports a strong family demographic, with approximately 89 per cent of households classified as family households and an average household size of around 3.3 people. Median weekly household income reached about $3,073 in early 2025. The suburb developed from part of Kellyville in 2002 and takes its name from the prominent ridge that runs through the area.
Kellyville Ridge has no train station within its borders; however, it is close to the Kellyville, Rouse Hill, and Tallawong metro stations on the Metro North West line, which opened in 2019. Bus routes, including CDC NSW and Busways services, connect along Merriville Road and the T-way through Stanhope and The Ponds, linking to Parramatta, Rouse Hill, and Blacktown. Only about 1.1 per cent of residents commute by public transport, with most households owning around two cars and roughly 0.5 per cent walking or cycling.
Local essentials are anchored by The Ponds Shopping Centre (opened 2015) on the suburb’s western edge, hosting a Woolworths and around 25 specialty retailers. Adjacent to Stanhope Village and Rouse Hill Town Centre, you'll find additional retail options, including Kmart, Aldi, and cinemas, all within a short drive. Food and casual dining options include the Ettamogah Pub, located centrally on Merriville Road, which is recognised for its family-friendly atmosphere.
Kellyville Ridge contains eight parks covering about 16.6 per cent of its area, with Glenheath Park among the recreational green spaces.
Families have access to several primary schools, including Kellyville Ridge Public School, with secondary education available in nearby The Ponds and Rouse Hill. Multiple sporting and playground facilities serve younger residents, supported by planned open‑space commitments in the growing community.
The suburb experienced population growth of around 4 per cent between 2016 and 2021 and continues to show stable investment appeal, with median house prices of around $1.54 million and unit prices of nearly $580,000 in 2021. A modern, family-oriented enclave, Kellyville Ridge strikes a balance between suburban comfort and fast metro access, complemented by a growing retail and recreational offering.