County of Flintshire · Wales
Deeside population
32,000people · latest estimate
Deeside has a population of 32,000, making it the 2nd largest place in County of Flintshire.
Year-by-year official estimates for the wider area: Flintshire population trends, 2001–2025.
Deeside in context
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 Deeside sits in postcode district CH5.
Council tax
The area Band D council tax for Flintshire, the billing authority covering Deeside, is £2,376 for 2026–27.
From the Welsh Government's council tax levels (Table 1): the overall average including police and community council elements, so it is the council's figure rather than the town's, and your own band depends on your property's 2003 valuation — Wales revalued in 2003 where England still uses 1991.