Bonnyrigg lies approximately 36 kilometres west of the Sydney central business district, situated within the City of Fairfield.
The suburb recorded a population of 9,785 at the 2021 census, with a median age of 37 years. Families comprise about 82.7 per cent of households, averaging 3.2 persons per dwelling, with 74 per cent being separate houses.
Cultural diversity is substantial, with only 40.8 per cent born in Australia and significant communities from Vietnam (19.5 per cent), Iraq (7.4 per cent), Cambodia (5.1 per cent) and Laos (2.5 per cent).
Languages spoken at home include Vietnamese (27.4 per cent), Arabic (6.4 per cent), Khmer (5.6 per cent), Assyrian Neo‑Aramaic (4.9 per cent) and Cantonese (3.4 per cent), while only 23.5 per cent speak English exclusively.
Religious affiliations are mainly Buddhism (28.2 per cent) and Catholicism (23.6 per cent), with 17 per cent reporting no religion.
Most employed residents commute by car, with 52.1 per cent driving and 0.7 per cent using trains; only 1.2 per cent use buses, and 3.9 per cent travel as car passengers.
Bonnyrigg relies heavily on private transport, supported by bus routes—including the T80 T‑Way to Parramatta and services to Cabramatta—that link to Fairfield, Liverpool and beyond. The closest train station is Cabramatta on the T2 and T3 lines, reachable by bus.
Essential amenities centre on Bonnyrigg Plaza, which features a Coles supermarket, food court, a public library, a Housing NSW office, a PCYC centre and a Bunnings nearby.
Bonnyrigg Public School, Bonnyrigg High School, Our Lady of Mt Carmel Parish School and Bonnyrigg Heights Public School provide education.
Recreational facilities include a PCYC gym, local community halls and proximity to Western Sydney Parklands for walking, cycling and passive recreation.
Median household weekly income is $1,393, and median mortgage repayments are $1,950 monthly; rental costs average $374 per week.
Bonnyrigg reflects a culturally diverse and family‑oriented suburb with solid local amenities, limited public transport uptake and reliance on car travel, while schools, shopping and recreation support day‑to‑day life.