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Dereham

Town

Town in Breckland, East of England.

Dereham is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Dereham add up the census output areas (or, for claimants, the neighbourhoods) that sit mostly inside it, so they are close to, but not exactly, the town’s own.

Open in map

Radon Affected Area by town

Worked out by Open Index · 2022

Under 1%90% or more

About 29% of people in Dereham live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£242,250
434th cheapest of 1,092
Worked out by Open Index
Population
20,788
525th most populated of 1,209
ONS Census 2021 · 2021
People in radon Affected Area squares
29%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
90.7%
UK 87.8%
Ofcom · Jan 2026

How Dereham compares

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

DerehamMiddle
Median sale price130 towns, East of England · 2025
Median sale price: every town in East of England130 areas from £146,000 to £1,082,500. The middle area is £346,125. Dereham is £242,250.
£242,25013th cheapest
Population130 towns, East of England · 2021
Population: every town in East of England130 areas from 7,522 to 233,524. The middle area is 19,408. Dereham is 20,788.
20,78863rd most populated
People in radon Affected Area squares130 towns, East of England · 2022
People in radon Affected Area squares: every town in East of England130 areas from 0.0% to 100.0%. The middle area is 0.0%. Dereham is 29.0%.
29%joint 37th most people in radon Affected Areas
Gigabit broadband coverage130 towns, East of England · Jan 2026
Gigabit broadband coverage: every town in East of England130 areas from 45.6% to 98.3%. The middle area is 92.4%. Dereham is 90.7%.
90.7%joint 51st lowest

Is Dereham safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Dereham at a rate of 79.5 per 1,000 people.

That compares with 80.2 per 1,000 people across East of England.

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

In August 2026 alone, 127 cases of crime and anti-social behaviour were recorded in Dereham.

In the 12 months to August 2026, the most common types were violence and sexual offences (701), other crime (291) and shoplifting (236).

A year earlier, the recorded crime rate in Dereham was 81.5 per 1,000 people.

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.

Deprivation in Dereham, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so Dereham has no single figure. Of its 11 neighbourhoods with a rank:
  • Decile 3: 2 neighbourhoods
  • Decile 4: 2 neighbourhoods
  • Decile 5: 1 neighbourhood
  • Decile 6: 2 neighbourhoods
  • Decile 7: 2 neighbourhoods
  • Decile 8: 1 neighbourhood
  • Decile 9: 1 neighbourhood

English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

Neighbourhoods in Dereham

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Breckland 003A2,70140.4 per 1,000586.9%
Breckland 003B1,433134.4 per 1,000498.4%
Breckland 003C2,34836.5 per 1,000783.8%
Breckland 003D1,17532.1 per 1,000668.7%
Breckland 004D1,60623.5 per 1,000999.8%
Breckland 005A2,03469.6 per 1,000396.7%
Breckland 005B2,320293.8 per 1,000385.3%
Breckland 005C2,47765.1 per 1,000692.4%
Breckland 005D1,44827.1 per 1,000896.6%
Breckland 005E1,39138.3 per 1,000487.0%
Breckland 005F1,93426.2 per 1,000788.8%

Your MP

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Council1

Postcode districts covering Dereham2

Middle areas in Dereham2

Towns near Dereham6

Dereham in brief

Dereham is a town in Breckland, East of England.

About 21,436 people lived in Dereham in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £242,250 in 2025 across 360 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 79.5 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in Dereham was £242,250 in 2025.

Dereham had 20,788 usual residents at the census.

About 29% of people in Dereham live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Dereham, 90.7% of homes and businesses could get gigabit-capable broadband in January 2026.