St Austell (/sɨnt ˈɔːstəl/; Cornish: S. Austel) is a civil parish and major town in Cornwall, England, UK. It is situated on the south coast, approximately 10 miles (16 km) south of Bodmin and 30 miles (48 km) west of the border with Devon.St Austell is one of the largest towns in Cornwall; in the 2011 Census, St Austell civil parish had a population of 19,958, with a total of 34,700 living in the wider area comprising several other civil parishes.