Omagh Population 2026
Omagh has a population of 21,056, making it the #579 biggest city in 🇬🇧 United Kingdom, located in Northern Ireland. It is about 426× smaller than London, the country's biggest city.
Population (city proper)
21,056
Rank in United Kingdom
#579
Coordinates
54.60°N, 7.30°W
~72 m elevation · Europe/London
Distance to capital (London)
590 km
366 miles, straight line
Other big cities in Northern Ireland
| City | Population | Rank in United Kingdom |
|---|---|---|
| Belfast | 348,005 | #13 |
| Derry | 83,652 | #127 |
| Lisburn | 77,506 | #140 |
| Newtownabbey | 63,860 | #174 |
| Bangor | 61,011 | #189 |
| Craigavon | 59,236 | #196 |
| Castlereagh | 56,679 | #206 |
| Portadown | 32,926 | #378 |
Cities near Omagh
FAQ
What is the population of Omagh?
Omagh has a population of 21,056 (city proper, latest official figure via GeoNames), making it the #579 biggest city in United Kingdom.
What region is Omagh in?
Omagh is located in Northern Ireland, United Kingdom.
Is Omagh the capital of United Kingdom?
No, the capital of United Kingdom is London, about 590 km away.
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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