8.3% of 648,034 residents
Explore email →CITY CAMPAIGN ESTIMATES
Website form outreach and Instagram promotional messaging services in Colombo, Sri Lanka
Compare modelled reach across 5 channels using the population recorded for Colombo.
Recorded city population648,034
Website forms formula estimate19,441
CHANNEL BREAKDOWN
Estimated reach in Colombo
Each value uses your selected percentage of the same city population. The figures do not indicate contact availability or campaign performance.
Website forms
3% of 648,034 residents
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2% of 648,034 residents
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Telegram
0.4% of 648,034 residents
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0.6% of 648,034 residents
Explore instagram →Population: GeoNames cities15000 extract downloaded 16 October 2026. GeoNames population fields may use different city boundaries and reference dates. Channel counts are planning estimates rounded to whole people. They are not measured users, deliverable contacts or available mailing lists. Confirm availability before a campaign.
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