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Thornhill

Middle area

North Dumfries and Galloway. 3,785 people in 446 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 41% of people in Thornhill live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
3,879
1,479th least populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
41%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
61.2%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
2.4%
UK 3.9%
ONS via Nomis · Aug 2026

Recorded crime in Thornhill

Scotland publishes recorded crime by council. It has its own layers.

How Thornhill compares

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

ThornhillMiddle
Population40 middle areas, Dumfries and Galloway · 2021
Population: every middle area in Dumfries and Galloway40 areas from 2,148 to 6,394. The middle area is 3,455. Thornhill is 3,879.
3,87913th most populated
People in radon Affected Area squares40 middle areas, Dumfries and Galloway · 2022
People in radon Affected Area squares: every middle area in Dumfries and Galloway40 areas from 0.0% to 100.0%. The middle area is 21.5%. Thornhill is 41.0%.
41%joint 15th most people in radon Affected Areas
Gigabit broadband coverage40 middle areas, Dumfries and Galloway · Jan 2026
Gigabit broadband coverage: every middle area in Dumfries and Galloway40 areas from 23.3% to 96.2%. The middle area is 67.0%. Thornhill is 61.2%.
61.2%16th lowest
Claimant rate40 middle areas, Dumfries and Galloway · Aug 2026
Claimant rate: every middle area in Dumfries and Galloway40 areas from 0.9% to 5.9%. The middle area is 2.7%. Thornhill is 2.4%.
2.4%joint 17th lowest

What is the population of Thornhill?

Thornhill had 3,879 usual residents at the census.

Thornhill is the 1,479th least populated of 9,448 in the UK.

Figures for the whole of Dumfries and Galloway

These figures are published for the whole of Dumfries and Galloway, not for each middle area, so they describe all of Dumfries and Galloway and not Thornhill alone. See Dumfries and Galloway

Average house price
£169,511
Up 4.6% in a year
HM Land Registry · Jul 2026
Median full-time pay
£34,895
59th lowest paid of 348
ONS earnings survey · 2025
House price to pay
4.9×
Joint 39th most affordable of 348
Worked out by Open Index
Population estimate
145,490
Down 0.3% in a year
ONS population estimates · 2025
Thornhill in brief

Thornhill had 3,879 usual residents at the census.

About 41% of people in Thornhill live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Thornhill, 61.2% of homes and businesses could get gigabit-capable broadband in January 2026.

In Thornhill, 2.4% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.