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South Blyth

Ward

South east Northumberland. About 5,381 people (mid-2024 estimate) in 2.9 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 61% of people in South Blyth live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
5,338
Joint 3,020th least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
61%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
96.4%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
1.4%
UK 3.9%
ONS via Nomis · Aug 2026

How South Blyth compares

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

South BlythMiddle
Population69 wards, Northumberland · 2021
Population: every ward in Northumberland69 areas from 2,441 to 5,712. The middle area is 4,650. South Blyth is 5,338.
5,3386th most populated
People in radon Affected Area squares69 wards, Northumberland · 2022
People in radon Affected Area squares: every ward in Northumberland69 areas from 0.0% to 100.0%. The middle area is 50.0%. South Blyth is 61.0%.
61%joint 27th most people in radon Affected Areas
Gigabit broadband coverage69 wards, Northumberland · Jan 2026
Gigabit broadband coverage: every ward in Northumberland69 areas from 13.3% to 99.9%. The middle area is 91.9%. South Blyth is 96.4%.
96.4%joint 14th highest
Claimant rate69 wards, Northumberland · Aug 2026
Claimant rate: every ward in Northumberland69 areas from 0.7% to 8.5%. The middle area is 2.4%. South Blyth is 1.4%.
1.4%joint 10th lowest

Is South Blyth safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in South Blyth at a rate of 94.2 per 1,000 people.

That compares with 77.4 per 1,000 people across Northumberland.

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

In August 2026 alone, 59 cases of crime and anti-social behaviour were recorded in South Blyth.

In the 12 months to August 2026, the most common types were anti-social behaviour (167), shoplifting (155) and violence and sexual offences (63).

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 Northumberland

These figures are published for the whole of Northumberland, not for each ward, so they describe all of Northumberland and not South Blyth alone. See Northumberland

Average house price
£212,563
Up 7.3% in a year
HM Land Registry · Jul 2026
Median full-time pay
£37,721
147th lowest paid of 348
ONS earnings survey · 2025
House price to pay
5.6×
Joint 65th most affordable of 348
Worked out by Open Index
Deprivation score
22.0
Joint 114th most deprived of 296
MHCLG · England only
South Blyth in brief

South Blyth had 5,338 usual residents at the census.

About 61% of people in South Blyth live in a 1 km square that the radon atlas marks as a radon Affected Area.

In South Blyth, 96.4% of homes and businesses could get gigabit-capable broadband in January 2026.

In South Blyth, 1.4% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.