Mongolia's cities at a glance
Dots sized by population · Ulan Bator in orange
Mongolia has 1 with more than 100,000 (city-proper figures). The largest is Ulan Bator with 844,818 people, followed by Erdenet (97,814) and Darhan (83,883). The three largest cities together hold about 28.8% of the country's 3.6 million people.
The capital, Ulan Bator, is also the largest city.
By region, the most large cities are in Ulaanbaatar (2), Övörhangay (2), Selenge Province (2).
Country-level figures — live population, births and deaths, growth, density and history — are on the Mongolia population page; provinces, terrain, rivers and society maps are in the Mongolia atlas.
Mongolia cities by population
| # | City | Region | Population | Share of Mongolia |
|---|---|---|---|---|
| 1 | Ulan BatorCapital | Ulaanbaatar | 844,818 | 23.7% |
| 2 | Erdenet | Orhon | 97,814 | 2.7% |
| 3 | Darhan | Darhan Uul | 83,883 | 2.4% |
| 4 | Choibalsan | East Aimak | 44,835 | 1.3% |
| 5 | Nalayh | Ulaanbaatar | 39,579 | 1.1% |
| 6 | Mörön | Khövsgöl Province | 39,404 | 1.1% |
| 7 | Bayanhongor | Bayankhongor | 30,931 | 0.9% |
| 8 | Ulaangom | Uvs Province | 30,092 | 0.8% |
| 9 | Khovd | Hovd | 29,800 | 0.8% |
| 10 | Arvayheer | Övörhangay | 29,420 | 0.8% |
| 11 | Ölgii | Bayan-Ölgii Province | 28,400 | 0.8% |
| 12 | Bogd | Övörhangay | 27,924 | 0.8% |
| 13 | Dalandzadgad | Ömnögovĭ | 24,863 | 0.7% |
| 14 | Sühbaatar | Selenge Province | 22,741 | 0.6% |
| 15 | Undurkhaan | Hentiy | 22,741 | 0.6% |
| 16 | Tsetserleg | Arkhangai Province | 21,620 | 0.6% |
| 17 | Saynshand | East Gobi Aymag | 19,891 | 0.6% |
| 18 | Dzüünharaa | Selenge Province | 18,830 | 0.5% |
| 19 | Baruun-Urt | Sühbaatar | 18,190 | 0.5% |
| 20 | Altai | Govi-Altai Province | 17,617 | 0.5% |
| 21 | Bulgan | Bulgan | 17,348 | 0.5% |
| 22 | Dzuunmod | Central Aimak | 16,953 | 0.5% |
| 23 | Zuunmod | Central Aimak | 16,953 | 0.5% |
| 24 | Uliastay | Dzabkhan | 16,265 | 0.5% |
Cities with 300,000 or more people link to their own page. The list keeps every city of 100,000+ and at least the 30 largest places of the country.
Frequently asked questions
What is the largest city in Mongolia?
Ulan Bator, with about 844,818 inhabitants (city proper).
What is the capital of Mongolia?
Ulan Bator — population 844,818, the largest city in the country.
How many cities in Mongolia have over one million people?
None — the largest, Ulan Bator, has 844,818 people.
Are these metropolitan-area populations?
No. They are city-proper figures (the administrative city) from GeoNames, based on the latest census or official estimate. Metropolitan areas, which include suburbs and satellite towns, are larger — often several times larger for the biggest cities.
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VietnamCite or link to this page
Glostats. (2026). Largest Cities in Mongolia 2026: Population Ranking. Retrieved October 20, 2026, from https://glostats.com/cities/mongolia/<a href="https://glostats.com/cities/mongolia/">Largest Cities in Mongolia 2026: Population Ranking</a> — GlostatsFigures on this page may be quoted, charted or republished as long as the page is credited with a link. Terms · Download the data as CSV · Embed a live counter.
City populations are GeoNames figures (CC BY 4.0): the latest official census or estimate for the city proper — the municipality, not the wider metropolitan area — so they can differ from "metro area" numbers you see elsewhere. Country populations are live Glostats estimates from the UN World Population Prospects. Page generated 2026-10-20. More about our data.