Trawsfynydd has a population of 628, making it the 33rd largest place in Gwynedd.
#33
of 39 in Gwynedd
The other populations of Trawsfynydd
Depending on where you draw the boundary, Trawsfynydd has between 315 and 628 residents. Both are correct.
| What you mean | Population | Source |
|---|---|---|
| The place itself The populated settlement, roughly the built-up core. |
628 | GeoNames |
| The built-up area Continuous development, where buildings sit less than 200m apart. Drawn from where the buildings are, not where the council boundary is. |
315 | ONS Census 2021 (2021) |
Why these differ: which population figure is right? · compare with another place
Year-by-year official estimates for the wider area: Gwynedd population trends, 2001–2024.
Trawsfynydd in context
6 km
north to Llan Ffestiniog, the nearest larger town
1,492
people live within 10 km
#4,885
largest of 6,358 UK places
Distances are straight-line from the settlement's recorded coordinates. The 10 km figure sums the recorded places within that radius, so it describes how built-up the surroundings are rather than people per square kilometre.
The centre of Trawsfynydd sits in postcode district LL41.
Go deeper
Population since 2001
Gwynedd, year by year from ONS estimates
Postcode district LL41
Wards, constituencies and the deprivation profile
Nearby in Gwynedd
| # | Place | Population |
|---|---|---|
| 1 | Fairbourne | 721 |
| 2 | Rhosgadfan | 660 |
| 3 | Chwilog | 640 |
| 4 | Llanbedrog | 613 |
| 5 | Mynytho | 536 |
| 6 | Llwyngwril | 526 |