Croydon is a small village and civil parish in South Cambridgeshire, England. It is 10 miles (16 km) south-west of Cambridge and immediately west of the A1198 road. The population in 2001 was 221 people, increasing to 235 at the 2011 Census. The site of the deserted medieval village of Clopton is in Croydon parish, which was formerly known as Croydon-cum-Clopton.