This is a list of electoral results for the electoral district of Collie-Preston in Western Australian state elections. Members for Collie Election results Elections in the 2020s Elections in the 2010s Elections in the 2000s Elections in the 1990s Elections in the 1980s Elections in the 1970s Elections in the 1960s Two party preferred vote was estimated. Elections in the 1950s Two party preferred vote was estimated. Elections in the 1940s Elections in the 1930s Elections in the 1920s Elections in the 1910s Elections in the 1900s References Western Australian state electoral results by district