Population Statistics
Isleworth
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Greater London · England

Isleworth population

25,008people · latest estimate

Photo: Maxwell Hamilton, CC BY-SA 3.0, via Wikimedia Commons
By James Burfield, SEO consultant, Bath · Page updated · GeoNames

Isleworth has a population of 25,008, making it the 72nd largest place in Greater London.

#72
of 255 in Greater London

Year-by-year official estimates for the wider area: Hounslow population trends, 2001–2025.

Isleworth in context

1 km
south-west to Hounslow, the nearest larger town
1,642,334
people live within 10 km
#520
largest of 6,358 UK places
937
food businesses in Hounslow
Isleworth in the UK

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 Isleworth sits in postcode district TW7.

Council tax

The area Band D council tax for Hounslow, the billing authority covering Isleworth, is £2,186 for 2026–27.

From MHCLG's council tax statistics (Table 9): the area average including police, fire and parish precepts, so it is the council's figure rather than the town's, and your own band depends on your property's 1991 valuation.

Common questions

What is the population of Isleworth?
The populated place itself holds 25,008 residents. The wider Hounslow council area recorded 299,486 in 2025. Each figure describes a different boundary and all are correct; the meanings table on this page says which is which, because a population without its boundary is not an answer.

Go deeper

Population since 2001
Hounslow, year by year from ONS estimates
Postcode district TW7
Wards, constituencies and the deprivation profile

Nearby in Greater London

#PlacePopulation
1Coulsdon25,530
2Hornchurch25,470
3Blackheath25,116
4Chalk Farm24,977
5New Malden23,818
6Hanworth23,563

All 255 places in Greater London →