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DG3

Postcode district

Postcode district covering Thornhill, Penpont and Townhead, in Dumfries and Galloway.

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an DG3 postcode. How census figures are added up

Open in map

Gigabit coverage by postcode district

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In DG3, 62.0% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
4,637
443rd least populated of 2,756
ONS Census 2021 · 2021
Gigabit broadband coverage
62.0%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
2.6%
UK 3.9%
ONS via Nomis · Aug 2026
Aged 15 to 64
57.0%
363rd lowest of 2,756
ONS Census 2021 · 2021

How DG3 compares

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

DG3Middle
Population15 postcode districts, DG · 2021
Population: every postcode district in DG15 areas from 1,273 to 26,955. The middle area is 5,068. DG3 is 4,637.
4,6376th least populated
Gigabit broadband coverage15 postcode districts, DG · Jan 2026
Gigabit broadband coverage: every postcode district in DG15 areas from 20.3% to 81.2%. The middle area is 61.9%. DG3 is 62.0%.
62.0%7th highest
Claimant rate15 postcode districts, DG · Aug 2026
Claimant rate: every postcode district in DG15 areas from 1.6% to 3.9%. The middle area is 2.7%. DG3 is 2.6%.
2.6%joint 5th lowest
Aged 15 to 6415 postcode districts, DG · 2021
Aged 15 to 64: every postcode district in DG15 areas from 53.5% to 62.0%. The middle area is 57.0%. DG3 is 57.0%.
57.0%joint 7th highest

What is the population of DG3?

DG3 had 4,637 usual residents at the census.

DG3 is the 443rd least populated of 2,756 in the UK.

Neighbourhoods in DG3

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Mid Nithsdale - 011,004No figureNo figure56.8%
Thornhill - 01673No figureNo figure71.7%
Thornhill - 02943No figureNo figure62.5%
Thornhill - 03729No figureNo figure82.2%
Thornhill - 04777No figureNo figure57.2%
Thornhill - 05757No figureNo figure36.1%

MPs for DG3

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

Middle areas in DG31

Postcode sectors in DG33

Council1

Postcode districts next to DG35

More in the DG postcode area2

DG3 in brief

DG3 is a postcode district covering Thornhill, Penpont and Townhead, in Dumfries and Galloway.

About 4,548 people lived in DG3 in mid-2024 (worked out by Open Index from NRS small-area estimates).

DG3 had 4,637 usual residents at the census.

In DG3, 62.0% of homes and businesses could get gigabit-capable broadband in January 2026.

In DG3, 2.6% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.

57.0% of residents in DG3 were aged 15 to 64 at the census.