Miller sits approximately 38 kilometres southwest of the Sydney central business district, within the City of Liverpool in South Western Sydney. The suburb encompasses around 1.2 square kilometres and had a population of 3,374 at the 2021 Census, marking modest growth since 2016 with a median age of 35 years.
Miller displays a multicultural profile, with 54.7 per cent of residents born in Australia and notable communities originating from Vietnam, Lebanon, Iraq, New Zealand and Fiji. Only 42.7 per cent of households spoke only English at home, with Arabic, Vietnamese, Samoan, Khmer and Hindi commonly used. Aboriginal and Torres Strait Islander peoples accounted for around 4.7 per cent of the population.
Private vehicle commuting dominated, with over 70 per cent of employed residents travelling by car, while about 11.6 per cent used public transport and fewer than 5 per cent walked or cycled. Miller does not have its train station, but it relies on bus services and access to nearby Liverpool rail links.
The median household income was $825 per week, with a median rent of around $201 weekly and monthly mortgage repayments of $1,800. The housing stock is primarily comprised of separate post-war dwellings, with a significant portion of high- and medium-density residential developments contributing to a varied urban form; approximately 41 per cent of properties fall within high-density zones.
Residential areas surround the Miller Central shopping precinct, which features Woolworths, Aldi, and approximately 32 other shops. Community facilities include Miller Public School, Miller Technology High School, Miller College, and St. Therese Catholic Primary School, offering comprehensive enrollment options from early years through secondary. The suburb contains twelve parks, making up nearly 23 per cent of its land area, which deliver playgrounds, sports grounds, and open green space.
Recent housing trends indicate median house prices around $890,000 and rental yields near 3.86 per cent, with capital growth reaching approximately 14 per cent over the preceding 12 months.
Local employment spans the machinery operation, transport, retail, and hospitality sectors, reflecting a labour-intensive job profile. A community survey in 2022–23 noted that Miller remained among the more disadvantaged suburbs in the 2168 area, with social housing comprising roughly half of the dwellings, and concerns were raised over amenity, safety, and service access.
Miller presents a factual portrait of a densely serviced, culturally diverse suburb with a strong family orientation, supported by essential education, retail, and recreational infrastructure, without a promotional tone.