Thrapston is a small town in Northamptonshire, England. It is the headquarters of the East Northamptonshire district, and at the time of the 2011 census, had a population of 6,239.Thrapston is close to the River Nene and is at the junction of the A14 and the A45. Until the 1960s, Thrapston had two railway stations. Thrapston (Midland) was on the Kettering to Cambridge route, and the former station and viaduct can be seen from the adjacent A14 road.