East Williamston shown within Pembrokeshire
|OS grid reference|
|Sovereign state||United Kingdom|
|Postcode district||SA68 0|
|Fire||Mid and West Wales|
|UK Parliament||Carmarthen West and South Pembrokeshire|
|Welsh Assembly||Carmarthen West and South Pembrokeshire|
East Williamston is a village and community in Pembrokeshire, Wales, in the south of the county, 4 km west of Saundersfoot. The parish includes the villages of Cold Inn and Broadmoor . The community had a population of 1,787 in 2001, increasing to 1,844 at the 2011 Census. With the community of Jeffreyston, it makes up the Pembrokeshire electoral ward of East Williamston, which had a population of 2,327 in 2001, with 11% Welsh speakers.The ward population had increased to 2,418 at the 2011 Census.
The percentage of Welsh speakers was 5 (1891): 12 (1931): 3 (1971).