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St Mark's

Ward

West Cheltenham. About 6,342 people (mid-2024 estimate) in 1.3 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 32% of people in St Mark's live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
6,286
Joint 3,811th least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
32%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
99.8%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
3.5%
UK 3.9%
ONS via Nomis · Aug 2026

How St Mark's compares

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

St Mark'sMiddle
Population20 wards, Cheltenham · 2021
Population: every ward in Cheltenham20 areas from 4,936 to 6,739. The middle area is 5,969. St Mark's is 6,286.
6,2866th most populated
People in radon Affected Area squares20 wards, Cheltenham · 2022
People in radon Affected Area squares: every ward in Cheltenham20 areas from 0.0% to 100.0%. The middle area is 82.0%. St Mark's is 32.0%.
32%4th fewest people in radon Affected Areas
Gigabit broadband coverage20 wards, Cheltenham · Jan 2026
Gigabit broadband coverage: every ward in Cheltenham20 areas from 82.3% to 99.8%. The middle area is 94.6%. St Mark's is 99.8%.
99.8%highest
Claimant rate20 wards, Cheltenham · Aug 2026
Claimant rate: every ward in Cheltenham20 areas from 1.0% to 5.3%. The middle area is 1.9%. St Mark's is 3.5%.
3.5%6th highest

What is the population of St Mark's?

St Mark's had 6,286 usual residents at the census.

St Mark's is the joint 3,811th least populated of 8,397 in the UK.

Figures for the whole of Cheltenham

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

Average house price
£322,758
Up 0.3% in a year
HM Land Registry · Jul 2026
Median full-time pay
£41,399
111th highest paid of 348
ONS earnings survey · 2025
House price to pay
7.8×
Joint 143rd least affordable of 348
Worked out by Open Index
Deprivation score
13.0
Joint 62nd least deprived of 296
MHCLG · England only
St Mark's in brief

St Mark's had 6,286 usual residents at the census.

About 32% of people in St Mark's live in a 1 km square that the radon atlas marks as a radon Affected Area.

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

In St Mark's, 3.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.