Colombo Population 2020

612,535
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Colombo's 2020 population is now estimated at 612,535. In 1950, the population of Colombo was 400,022. Colombo has grown by 31,428 since 2015, which represents a 1.06% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Colombo, which typically includes Colombo's population in addition to adjacent suburban areas.

Colombo is located in Sri Lanka. It is the capital city and also the largest by population. This city is known for being a popular tourist destination, with tourism fueling the local economy. It is also a financial center of Sri Lanka. The city has a population of 752,993 people. The larger urban area has a population of over 2.3 million, while the metropolitan area has a population of more than 5.6 million residents.

City Size and Population Density

The city proper covers a total area of 14.41 square miles, making the population density over 52,000 per square mile.

Demographics of Population

Colombo is a very ethnically diverse city and has many different ethnic communities residing within the city property. This includes such groups as the Sri Lankan Moor, Sinhalese, Chinese, Malay, and Indian. The largest ethnic group in Colombo is the Sinhalese, which make up over 41% of the total population. The city is also home to a large number of European expatriates.

In terms of religion, 31.4% are affiliated with Islam, 31.2% are Buddhist, 22.6% follow Hinduism, and about 14% are affiliated with some form of Christianity.

The languages used in Colombo include Sinhala and Tamil, and English is also used commonly.

Over 29% of males and over 30% of females in Colombo are in the 15 to 29 age range.

Population Growth in Colombo

The city through the years has recorded slow but steady population growth every ten years when the census is taken. This city’s appeal to foreigners and its thriving tourism industry make this an appealing city that is expected to see continued population growth.

Colombo Population 2020

Year Population Growth Rate (%) Growth
2035760,7471.82%65,504
2030695,2431.43%47,686
2025647,5571.12%35,022
2020612,5351.06%31,428
2015581,1070.24%6,784
2010574,323-1.32%-39,557
2005613,880-0.95%-30,031
2000643,9110.48%15,084
1995628,8270.48%14,727
1990614,1000.48%14,381
1985599,7190.47%14,004
1980585,7150.47%13,465
1975572,2500.64%17,983
1970554,2671.15%30,873
1965523,3941.54%38,442
1960484,9521.79%41,205
1955443,7472.10%43,725
1950400,0220.00%
  1. World Urbanization Prospects - United Nations population estimates and projections of major Urban Agglomerations