4 km NW of Toowoomba

Rockville is a suburb located 4 kilometres north-west of the city centre.  Rockville was named after Rockville Estate, consisting of 114 allotments in the area ranging from 2,000 square metres (22,000 sq ft) to 20,000 square metres (220,000 sq ft), which itself was named after Rockville House. The suburb was officially named in 1981.  The eastern edge of the suburb is home to an industrial area. Rockville State School (1922), Leslie Research Centre and St Andrew’s Private Hospital are other features within its boundaries.

Rockville is among the least socio-economically advantaged suburbs of Toowoomba; at the 2006 census, residents had a median individual income of $388, compared with $448 for the Toowoomba statistical district, and a median family income of $921 compared to $1,116. The suburb had a SEIFA score of 908, placing it below all other suburbs in the district except Harlaxton.