Croston is a village and civil parish in Lancashire, England between Chorley and Southport and is next to the River Yarrow. St. Michael's and All Angels' Church is at the centre of the village. The population of the civil parish at the 2011 census was 2,917. At the end of Church Street there is a stone cross which was erected in 1953. There is a 15th-century cobbled pack horse bridge which crosses the River Yarrow. The village green is used as a venue for the annual May Day Madness, Bastille Day (14 July) celebrations and Christmas Fair.