Prestons lies around 37 km south‑west of Sydney’s central business district and forms part of the City of Liverpool.
The suburb recorded 15,694 residents in the 2021 Census, a 2.5 per cent increase since 2016, with a median age of 34 years and an average household size of about 3.2 persons .
Predominantly family‑oriented, around 64 per cent of households comprise couple families with children, and 78 per cent of homes are owner‑occupied.
Cultural diversity is notable, with top ancestries including Australian, English, Indian, Lebanese, and Filipino, and multiple languages featured in homes.
Most commuters rely on private vehicles, with 51 per cent driving to work and only 2.8 per cent using public transport.
Preston benefits from access to major road networks—the M5, M7 and Hume Highway—facilitating about a 55‑minute drive to the CBD.
Bus routes link the suburb to Liverpool, Casula and Edmondson Park, while rail access is available at nearby Edmondson Park and Liverpool stations.
Local shopping needs are met by Prestons Shopping Village, which features an IGA supermarket alongside specialty retailers, cafés, and services. Larger centres, such as Carnes Hill Marketplace, Casula Mall, and Westfield Liverpool, are also nearby.
Medical services are available via local clinics, complemented by comprehensive facilities at Liverpool Hospital.
Several schools serve the area, including Preston's Public School and William Carey Christian School. Tertiary education options and vocational training are available at Western Sydney University’s Liverpool campus.
Recreation is supported by around 26 parks across its 9.2 km² area, accounting for approximately 5.5 per cent of the land, and green spaces are linked to the Georges River corridor.
Families often use playgrounds, walking paths and sports fields, with the local Prestons Sports and Recreational Club hosting regular community events.
Convenience and community are emphasised by strong scores in Microburbs assessments, showing high ratings in safety, tranquillity, communications and family‑friendliness.