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Hertford Castle

Ward

The south west of the East Hertfordshire. About 6,399 people (mid-2024 estimate) in 5.9 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 13% of people in Hertford Castle live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
5,909
Joint 3,503rd least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
13%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
84.7%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
2.2%
UK 3.9%
ONS via Nomis · Aug 2026

How Hertford Castle compares

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

Hertford CastleMiddle
Population26 wards, East Hertfordshire · 2021
Population: every ward in East Hertfordshire26 areas from 2,155 to 10,036. The middle area is 5,878. Hertford Castle is 5,909.
5,90913th most populated
People in radon Affected Area squares26 wards, East Hertfordshire · 2022
People in radon Affected Area squares: every ward in East Hertfordshire26 areas from 0.0% to 100.0%. The middle area is 44.5%. Hertford Castle is 13.0%.
13%11th fewest people in radon Affected Areas
Gigabit broadband coverage26 wards, East Hertfordshire · Jan 2026
Gigabit broadband coverage: every ward in East Hertfordshire26 areas from 33.2% to 96.8%. The middle area is 86.8%. Hertford Castle is 84.7%.
84.7%joint 10th lowest
Claimant rate26 wards, East Hertfordshire · Aug 2026
Claimant rate: every ward in East Hertfordshire26 areas from 1.2% to 3.3%. The middle area is 1.9%. Hertford Castle is 2.2%.
2.2%joint 7th highest

Is Hertford Castle safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Hertford Castle at a rate of 149.8 per 1,000 people.

That compares with 67.8 per 1,000 people across East Hertfordshire.

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

In August 2026 alone, 72 cases of crime and anti-social behaviour were recorded in Hertford Castle.

In the 12 months to August 2026, the most common types were violence and sexual offences (257), anti-social behaviour (149) and other crime (106).

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 East Hertfordshire

These figures are published for the whole of East Hertfordshire, not for each ward, so they describe all of East Hertfordshire and not Hertford Castle alone. See East Hertfordshire

Average house price
£455,973
Up 1.9% in a year
HM Land Registry · Aug 2026
Median full-time pay
£52,184
8th highest paid of 348
ONS earnings survey · 2025
House price to pay
8.7×
Joint 98th least affordable of 348
Worked out by Open Index
Deprivation score
9.8
Joint 19th least deprived of 296
MHCLG · England only
Hertford Castle in brief

Hertford Castle had 5,909 usual residents at the census.

About 13% of people in Hertford Castle live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Hertford Castle, 84.7% of homes and businesses could get gigabit-capable broadband in January 2026.

In Hertford Castle, 2.2% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.