Bonnyrigg Heights lies approximately 37 kilometres west of the Sydney central business district, situated within the City of Fairfield on the traditional lands of the Dharug Nation.
The suburb recorded a population of 7,369 at the 2021 census, reflecting a slight increase from prior figures, and spans about 2.1 km², yielding an estimated density of over 3,400 persons per square kilometre.
Households average around 3.3 people, predominantly couples with children and a high rate of home ownership, with over 76 per cent owner‑occupied dwellings.
Bonnyrigg Heights displays significant cultural diversity with 44 per cent born in Australia, and communities from Vietnam (12.4 %), Iraq (9.4 %), Cambodia, Laos and China are also represented.
Languages spoken include Vietnamese (approx. 17.9 %), Arabic (6.5 %), Assyrian Neo‑Aramaic (5.9 %) and Khmer, while only 26 per cent speak English exclusively at home.
Median age skews younger with a strong 20–29 age cohort, while Catholicism leads religious affiliations (~31 %), Buddhism (~21 %) and Eastern Orthodox (~8 %).
Transport patterns are car‑dominant, with about 53 per cent commuting as drivers and just 3 per cent using public transport; around 26 per cent work from home.
Public transport includes Transit Systems bus routes such as 804, 805, 827 and the T80 T‑Way, which connect residents to Cabramatta, Liverpool and Parramatta, with the nearest train stations located at Cabramatta and Liverpool.
Local infrastructure comprises Freeman Catholic College, Bonnyrigg Heights Public School and John the Baptist Primary School, along with a Fire and Rescue NSW station and community hall.
Recreational amenities include twelve parks covering around 9.7 per cent of the suburb, highlighted by walking trails, a dog park, and nearby venues for soccer and futsal in surrounding suburbs.
Residents access larger shopping, healthcare and fitness facilities in Bonnyrigg, Cabramatta and Liverpool via short bus or car trips.