Colombo Population 2026 capital
Colombo has a population of 648,034, making it the #1 biggest city in 🇱🇰 Sri Lanka, located in Western Province. Roughly 2.8% of Sri Lanka's population lives here. Colombo is the capital of Sri Lanka.
Population (city proper)
648,034
Rank in Sri Lanka
#1
Coordinates
6.94°N, 79.85°E
~7 m elevation · Asia/Colombo
Other big cities in Western Province
| City | Population | Rank in Sri Lanka |
|---|---|---|
| Dehiwala-Mount Lavinia | 219,827 | #2 |
| Maharagama | 195,355 | #3 |
| Moratuwa | 168,280 | #5 |
| Negombo | 137,223 | #6 |
| Pita Kotte | 118,179 | #7 |
| Sri Jayewardenepura Kotte | 115,826 | #8 |
| Katunayaka | 84,643 | #15 |
| Battaramulla South | 75,633 | #19 |
Cities near Colombo
- Kolonnawa64,887 people · ~4 km away
- Kotikawatta64,565 people · ~7 km away
- Hendala56,978 people · ~7 km away
- Pita Kotte118,179 people · ~8 km away
- Sri Jayewardenepura Kotte115,826 people · ~9 km away
- Battaramulla South75,633 people · ~9 km away
FAQ
What is the population of Colombo?
Colombo has a population of 648,034 (city proper, latest official figure via GeoNames), making it the #1 biggest city in Sri Lanka.
What region is Colombo in?
Colombo is located in Western Province, Sri Lanka.
Is Colombo the capital of Sri Lanka?
Yes, Colombo is the capital of Sri Lanka.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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