City profile · United Kingdom · Europe
Isleworth
City population
25,008
#488
in United Kingdom
#418
in England
#21,065
worldwide
51.475, -0.342 · 15 km from London
About Isleworth
Isleworth is a city in England, United Kingdom with a population of 25,008. It is the 488th largest of the 794 cities of 15,000 or more listed in United Kingdom, and the 21,065th largest worldwide. It lies 15 km from London.
Key Facts
Country
Region
Rank in region
#418of 679
Elevation
21 m
Approximate — modelled, not surveyed
Time zone
Europe/London
Coordinates
51.475, -0.342
Record updated
2026-04-07
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.
Nearby Cities
All 794 in United KingdomClosest listed cities by great-circle distance from the city centre.