Armadale is a suburb of Perth within the City of Armadale, located on the south-eastern edge of the Perth metropolitan region. The major junction of the South Western and Albany Highways, which connect Perth with the South West and Great Southern regions of Western Australia respectively, is located within the suburb. It is also the terminus of the Armadale railway line, one of five major railway lines to service Perth.

The size of Armadale is approximately 8.3 square kilometres. It has 38 parks covering nearly 8.1% of total area. The population of Armadale in 2011 was 12,853 people. By 2016 the population was 13,607 showing a population growth of 5.9% in the area during that time.

The predominant age group in Armadale is 20-29 years. Households in Armadale are primarily childless couples and are likely to be repaying $1400 – $1799 per month on mortgage repayments. In general, people in Armadale work in a trades occupation. In 2011, 57.3% of the homes in Armadale were owner-occupied compared with 54.8% in 2016. Currently the median value of houses in the area is $561,198.