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St Mary Cray

Ward

East Bromley. About 18,850 people in 8.8 square kilometres.

Open in map

Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 100% of people in St Mary Cray live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
18,438
289th most populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
100%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
97.7%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
4.5%
UK 3.9%
ONS via Nomis · Aug 2026

How St Mary Cray compares

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

St Mary CrayMiddle
Population22 wards, Bromley · 2021
Population: every ward in Bromley22 areas from 5,774 to 18,911. The middle area is 15,743. St Mary Cray is 18,438.
18,4383rd most populated
People in radon Affected Area squares22 wards, Bromley · 2022
People in radon Affected Area squares: every ward in Bromley22 areas from 0.0% to 100.0%. The middle area is 30.5%. St Mary Cray is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage22 wards, Bromley · Jan 2026
Gigabit broadband coverage: every ward in Bromley22 areas from 84.8% to 99.0%. The middle area is 94.4%. St Mary Cray is 97.7%.
97.7%3rd highest
Claimant rate22 wards, Bromley · Aug 2026
Claimant rate: every ward in Bromley22 areas from 1.7% to 6.3%. The middle area is 3.1%. St Mary Cray is 4.5%.
4.5%5th highest

Is St Mary Cray safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in St Mary Cray at a rate of 85.5 per 1,000 people.

That compares with 86.7 per 1,000 people across Bromley.

Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.

In August 2026 alone, 110 cases of crime and anti-social behaviour were recorded in St Mary Cray.

In the 12 months to August 2026, the most common types were violence and sexual offences (430), anti-social behaviour (281) and vehicle crime (236).

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

Figures for the whole of Bromley

These figures are published for the whole of Bromley, not for each ward, so they describe all of Bromley and not St Mary Cray alone. See Bromley

Average house price
£511,670
Down 3.1% in a year
HM Land Registry · Jul 2026
Median full-time pay
£51,225
11th highest paid of 348
ONS earnings survey · 2025
House price to pay
10.0×
Joint 54th least affordable of 348
Worked out by Open Index
Deprivation score
12.7
Joint 57th least deprived of 296
MHCLG · England only
St Mary Cray in brief

St Mary Cray had 18,438 usual residents at the census.

About 100% of people in St Mary Cray live in a 1 km square that the radon atlas marks as a radon Affected Area.

In St Mary Cray, 97.7% of homes and businesses could get gigabit-capable broadband in January 2026.

In St Mary Cray, 4.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.