Hammondville is a tranquil residential community located approximately 25 kilometers west-southwest of the Sydney CBD. As of the latest population estimate in May 2026, the suburb of Hammondville has an estimated resident population (ERP) of 3,672, demonstrating minimal change since the 2021 Census, which recorded 3,691 residents. This current figure is based on aggregated SA2-level ERP counts released annually, combined with quarterly updates from national address files. The suburb features a well-educated population and is characterized by a strong presence of semi-detached housing, an elevated proportion of residents aged 75 to 84, a notable percentage of residents aged 85 and over, and a below-average unemployment rate. Growth forecasts indicate a pattern of moderate population expansion, while residential sales volumes remain low relative to the overall population size. The suburb of Hammondville stands out for its high proportion of older and elderly Australians, and it is situated within one of the nation's most active regions for major planned infrastructure projects, which are expected to support future housing demand. Known for its welcoming atmosphere, picturesque parks, walking and cycling paths, and diverse local birdlife, the area offers a balanced lifestyle. Local families benefit from high-quality educational options, alongside a variety of local shopping centers, cafes, and dining options that add to the quiet appeal of this NSW community.
Estimated residents are up from 3,691 at the 2021 Census — a change of -19 people, or -0.5%.