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St Mary's

Ward

South east Adur. About 5,220 people in 1.2 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

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

Population
5,234
Joint 2,930th least 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
92.4%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
4.6%
UK 3.9%
ONS via Nomis · Aug 2026

How St Mary's compares

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

St Mary'sMiddle
Population14 wards, Adur · 2021
Population: every ward in Adur14 areas from 4,023 to 5,985. The middle area is 4,487. St Mary's is 5,234.
5,2342nd most populated
People in radon Affected Area squares14 wards, Adur · 2022
People in radon Affected Area squares: every ward in Adur14 areas from 100.0% to 100.0%. The middle area is 100.0%. St Mary's is 100.0%.
100%
Gigabit broadband coverage14 wards, Adur · Jan 2026
Gigabit broadband coverage: every ward in Adur14 areas from 88.1% to 99.5%. The middle area is 97.1%. St Mary's is 92.4%.
92.4%3rd lowest
Claimant rate14 wards, Adur · Aug 2026
Claimant rate: every ward in Adur14 areas from 1.4% to 4.8%. The middle area is 2.9%. St Mary's is 4.6%.
4.6%2nd highest

Is St Mary's safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in St Mary's at a rate of 164.8 per 1,000 people.

That compares with 70.6 per 1,000 people across Adur.

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

In August 2026 alone, 54 cases of crime and anti-social behaviour were recorded in St Mary's.

In the 12 months to August 2026, the most common types were anti-social behaviour (231), shoplifting (214) and violence and sexual offences (193).

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 Adur

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

Average house price
£380,120
Up 1.3% in a year
HM Land Registry · Jul 2026
Median full-time pay
£39,029
160th highest paid of 348
ONS earnings survey · 2025
House price to pay
9.7×
Joint 61st least affordable of 348
Worked out by Open Index
Deprivation score
15.0
Joint 96th least deprived of 296
MHCLG · England only
St Mary's in brief

St Mary's had 5,234 usual residents at the census.

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

In St Mary's, 92.4% of homes and businesses could get gigabit-capable broadband in January 2026.

In St Mary's, 4.6% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.