Woolmar is a locality in the Somerset Region, Queensland, Australia. The population of Woolmar is very low so it is included in the population statistics for the adjoining locality of Harlin, which recorded a population of 534 at the 2011 Australian Census. The Kilcoy Showgrounds are located in Woolmar. The D'Aguilar Highway passes through Woolmar. Kilcoy Creek marks a small section of the eastern boundary. In the west elevated terrain reaches higher than 400 metres above sea level.