Casula lies about 34 kilometres south‑west of the Sydney central business district within the City of Liverpool, defined by gently undulating land between 30 and 70 metres elevation and bordered by the Georges River to the east.
The suburb covers approximately 6.9 square kilometres and recorded a population of 16,584 at the 2021 Census, reflecting a 5.9 per cent increase since 2016. Household composition is dominated by families, with the largest age cohort aged 10–19 and a median age in the early 30s.
Cultural diversity is a defining feature, with 50.8 per cent of residents born in Australia and migrant communities from Iraq (5.1 per cent), Fiji (3.2 per cent), Lebanon (3.1 per cent), Vietnam and India represented in the remainder. Only 38 per cent spoke only English at home, with Arabic (17.6 per cent), Vietnamese, Hindi and Greek among other languages regularly spoken.
Casula railway station, located on the Main Southern line, provides access to T2 and T5 train services, with approximately 485 daily entries and exits. Meanwhile, Glenfield station offers an alternative link for commuters. Bus routes serve key corridors, and the northern boundary’s M5 Motorway and Hume Highway support frequent private vehicle use. In 2021, 48 per cent of workers travelled by car, 3.8 per cent by public transport, and nearly 29 per cent worked from home.
Local essential services include Casula Mall, featuring Kmart, Coles, Aldi, and approximately 55 specialty shops. The Crossroads Homemaker Centre and Crossroads Hotel provide additional retail, dining and event facilities. The Casula Community Centre and library are situated beside a shopping precinct, supporting various community programs.
Recreational spaces cover approximately 17.4 per cent of the suburb through 24 parks. Leacock Regional Park preserves Cumberland Plain Woodland and offers walking trails along the Georges River.
Extensive play areas, fitness zones, and off-leash zones are located within Casula Parklands, adjacent to the Casula Powerhouse Arts Centre, which hosts performances, exhibitions, and a 320-seat theatre. Jardine and Tharawal parks provide facilities for sports, netball and community use.
The suburb features a mix of 71 per cent separate houses, 25 per cent semi‑detached and around 4 per cent apartments. Property values reflect steady demand, with units fetching a median price of $812,500 and rental yields near 4.3 per cent.
Casula demonstrates a community‑centred, diverse, well‑connected suburb with accessible transport, essential services and significant recreational infrastructure in an educational and factual tone.