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World Measure
The population almanac240 countries · 31,365 cities · UN WPP 2024
Capital city · Sri Lanka · Asia

Colombo

City population
648,034
#1
in Sri Lanka
#1
in Western Province
#859
worldwide
Colombo
6.935, 79.849
City population
648,034
Within the city boundary, not a metro area
Rank in Sri Lanka
#1
of 60 cities of 15,000+
World rank
#859
of 31,365 cities listed
Share of Sri Lanka
3.0%
of the national population

About Colombo

The largest of 24 cities in the Western Province, Colombo holds 648,034 residents and accounts for 3% of Sri Lanka's national population as the country's capital. It sits at low elevation, 7 m above sea level. Four cities with populations between 29,000 and 65,000 lie within 8 km.

This summary is AI-generated from the figures on this page. The figures themselves come from the sources cited beside each value.

Position in Sri Lanka
#1of 60
LargestSmallest
Position in Western Province
#1of 24
LargestSmallest

Key Facts

Country
Rank in region
#1of 24
Capital
National capital
Elevation
7 m
Approximate — modelled, not surveyed
Time zone
Asia/Colombo
Coordinates
6.935, 79.849
Record updated
2019-09-05
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 60 in Sri Lanka

Closest listed cities by great-circle distance from the city centre.

Compared with the World's Largest Cities

City-proper population against the fifteen largest cities in the dataset.

City-proper figures only. Administrative boundaries differ between countries, so these are not directly comparable to metropolitan-area estimates.
Colombo compared with the fifteen largest cities
NameCity population
Shanghai24.9M
Beijing19M
Shenzhen17.5M
Guangzhou16.1M
Kinshasa16M
Istanbul15.7M
Lagos15.4M
Ho Chi Minh City14M
Chengdu13.6M
Lahore13M
Mumbai12.7M
São Paulo12.4M
Mexico City12.3M
Karachi11.6M
Tianjin11.1M
Colombo648K

Colombo Population FAQ

What is the population of Colombo?

Colombo has a city population of 648,034. That is the population within the city's own boundary, not its wider metropolitan area. City population, GeoNames.

Where is Colombo?

Colombo is in Western Province, Sri Lanka. Its coordinates are 6.935, 79.849.

How big is Colombo compared with other cities in Sri Lanka?

It is the 1st largest of the 60 cities of 15,000 or more listed in Sri Lanka, holding 3.0% of the national population.

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