Greenfield Park sits approximately 36 kilometres west of the Sydney central business district, positioned within the City of Fairfield.
The 2021 census recorded 5,394 residents, marking a population rise of almost 6 per cent since 2016, and the median age stands at 35 years.
An estimated 42 per cent of inhabitants were Australia-born, with large communities from Iraq (23 per cent), Vietnam (10 per cent) and Syria (7.5 per cent), resulting in a suburb where Neo-Aramaic and Vietnamese are widely spoken alongside English.
English is the only home language for around 21.5 per cent of households, while roughly a third use Assyrian Neo-Aramaic, supported by St. Hurmizd Cathedral, Australia’s largest Assyrian church, as a cultural landmark.
Public transport usage remains modest; approximately 2.4 per cent commute via bus or train, while 53.6 per cent drive and 24 per cent work from home.
Transit Systems bus routes, including the T‑Way 804, link Greenfield Park to Liverpool and Parramatta, although no local train station lies within the suburb.
Local amenities include a small shopping centre featuring an IGA, pharmacy, bakery and café units at Greenfield Park Shopping Village.
Educational institutions are represented by St. Hurmizd Assyrian Primary, located in nearby St. John's Park, near St. John's Park High School.
Greenfield Park occupies around 1.5 square kilometres, with eight parks covering roughly 12 per cent of its area—Lakeside Reserve and smaller playgrounds serve families and encourage outdoor play.
The suburb also lies close to Michael Wenden Aquatic Leisure Centre in neighbouring Miller, offering pools, gym facilities and recreational programmes.
Residents access major hospitals, large-format supermarkets and retail at Wetherill Park, Cabramatta and Fairfield, typically a 5–10 minute drive away.
Greenfield Park blends a strong multicultural identity, family‑friendly amenities and green spaces, while relying on nearby centres for broader transport links and essential services.