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St Mary's Island

Ward

Central Medway. About 4,596 people in 1.4 square kilometres.

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Gigabit coverage by ward

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In St Mary's Island, 99.8% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
4,078
1,949th lowest of 8,397
ONS Census 2021 · 2021
Gigabit broadband coverage
99.8%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
1.7%
UK 3.9%
ONS via Nomis · Aug 2026
Aged 15 to 64
69.6%
751st highest of 8,397
ONS Census 2021 · 2021

How St Mary's Island compares

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

St Mary's IslandMiddle
Population24 wards, Medway · 2021
Population: every ward in Medway24 areas from 4,078 to 18,098. The middle area is 12,938. St Mary's Island is 4,078.
4,078lowest
Gigabit broadband coverage24 wards, Medway · Jan 2026
Gigabit broadband coverage: every ward in Medway24 areas from 30.7% to 99.8%. The middle area is 94.8%. St Mary's Island is 99.8%.
99.8%joint highest
Claimant rate24 wards, Medway · Aug 2026
Claimant rate: every ward in Medway24 areas from 1.4% to 7.8%. The middle area is 3.6%. St Mary's Island is 1.7%.
1.7%2nd lowest
Aged 15 to 6424 wards, Medway · 2021
Aged 15 to 64: every ward in Medway24 areas from 57.0% to 69.8%. The middle area is 64.0%. St Mary's Island is 69.6%.
69.6%2nd highest

Figures for the whole of Medway

These figures are published for the whole of Medway, not for each ward, so they describe all of Medway and not St Mary's Island alone. See Medway

Average house price
£298,547
Up 1.1% in a year
HM Land Registry · Jul 2026
Median full-time pay
£39,622
150th highest of 348
ONS earnings survey · 2025
House price to pay
7.5×
161st least affordable of 348
Worked out by Open Index
Deprivation score
24.4
84th most deprived of 296
MHCLG · England only
St Mary's Island in brief

St Mary's Island had 4,078 usual residents at the census.

In St Mary's Island, 99.8% of homes and businesses could get gigabit-capable broadband in January 2026.

In St Mary's Island, 1.7% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.

69.6% of residents in St Mary's Island were aged 15 to 64 at the census.