Prison
Millsike Prison
Category and function
A–D category: Not yet verified.
Capacity and population
Monthly snapshot: 24 August 2026
1,119Population
1,158Operational capacity
Operational capacity is the capacity reported for this prison in the same monthly bulletin.
Official monthly spreadsheet · Ministry of Justice publication
Address and location
HMP MillsikeFull Sutton
York
YO41 1FZ
Prison site location
View on the prisons map
Location information checked 13 September 2026.