Boulder, Western Australia

Boulder was a town in the Western Australian goldfields 595 km east of Perth and bordering onto the town of Kalgoorlie in the Eastern Goldfields region. Until 1989 it was part of its own municipality. In 1989 the towns of Kalgoorlie and Boulder were merged to form the City of Kalgoorlie-Boulder. After the merger Boulder officially became a suburb of Kalgoorlie.

At the 2006 census, Boulder had a population of 5,178.

On the 20th of April 2010 Kalgoorlie-Boulder suffered a magnitude 5.0 earthquake which damaged several of the historic buildings in Boulder.