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St Mary's

Ward

South west Oldham. About 15,751 people in 2.4 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
15,033
814th 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
98.7%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
8.4%
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
Population20 wards, Oldham · 2021
Population: every ward in Oldham20 areas from 9,884 to 15,210. The middle area is 11,398. St Mary's is 15,033.
15,0332nd most populated
People in radon Affected Area squares20 wards, Oldham · 2022
People in radon Affected Area squares: every ward in Oldham20 areas from 45.0% to 100.0%. The middle area is 100.0%. St Mary's is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage20 wards, Oldham · Jan 2026
Gigabit broadband coverage: every ward in Oldham20 areas from 89.3% to 99.6%. The middle area is 98.5%. St Mary's is 98.7%.
98.7%joint 8th highest
Claimant rate20 wards, Oldham · Aug 2026
Claimant rate: every ward in Oldham20 areas from 1.7% to 12.3%. The middle area is 5.0%. St Mary's is 8.4%.
8.4%6th highest

What is the population of St Mary's?

St Mary's had 15,033 usual residents at the census.

St Mary's is the 814th most populated of 8,397 in the UK.

Figures for the whole of Oldham

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

Average house price
£217,171
Up 4.7% in a year
HM Land Registry · Jul 2026
Median full-time pay
£34,042
34th lowest paid of 348
ONS earnings survey · 2025
House price to pay
6.4×
Joint 123rd most affordable of 348
Worked out by Open Index
Deprivation score
36.8
11th most deprived of 296
MHCLG · England only
St Mary's in brief

St Mary's had 15,033 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, 98.7% of homes and businesses could get gigabit-capable broadband in January 2026.

In St Mary's, 8.4% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.