The size of Rossmore is approximately 16 km2. There is 1 school and 2 childcare centres located in Rossmore.

The population of Rossmore in 2001 was 2,545 people. By 2006 the population was 1,563 showing a population decline of 39% in the area during that time.

The predominant age group in Rossmore is 20 - 29 years.

Households in Rossmore are primarily couples with children and are likely to be repaying over $2000.00 per month on mortgage repayments.

In general, people in Rossmore work in a non-specific occupation.

In 2001, 69% of the homes in Rossmore were owner-occupied compared with 72% in 2006.

Currently the median sale price of houses in the area is $670,000.