Blend on the map

Cornwall and Isles of Scilly

Unitary authorities

Two neighbouring unitary authorities in South West, side by side through the same published figures. Each figure keeps its own date and source.

Key figures

MeasureCornwallIsles of Scilly
Deprivation score (England)
MHCLG · England only
22.3
112th most deprived of 296
12.7
Joint 57th least deprived of 296
Population estimate
ONS population estimates · 2025
584,782
Up 0.4% in a year
2,299
Down 3.5% in a year
Median sale price
Worked out by Open Index
£288,000
150th cheapest of 318
£545,000
Joint 23rd most expensive of 318
People in radon Affected Area squares
Worked out by Open Index
100%
UK 44%
100%
UK 44%

In brief

  • Cornwall and Isles of Scilly are neighbours across the sea.
  • Cornwall's deprivation score (England) is 22.3, against 12.7 in Isles of Scilly.
  • Cornwall's population estimate is 254 times Isles of Scilly's.
  • Cornwall's median sale price is 47% lower than Isles of Scilly's.
  • Cornwall's people in radon Affected Area squares is about the same as Isles of Scilly's.

How they compare

Each dot is a council. The black line marks the middle one.

CornwallIsles of ScillyMiddle
Deprivation score (England)296 councils, England · 2025
22.312.7
Population estimate361 councils, UK · 2025
584,7822,299
Annual population change361 councils, UK · 2025
0.4%−3.5%
Median sale price318 councils, England and Wales · 2025
£288,000£545,000
People in radon Affected Area squares361 councils, UK · 2022
100%100%