Population Statistics
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Mongolia: cities by population

Mongolia has a population of 3,170,208, with Ulaanbaatar as its capital. The 50 largest of its 52 recorded towns and cities, ranked.

Figures are the latest available in GeoNames (CC BY 4.0), which draws on national censuses of varying dates — treat them as recent, not same-year. Country totals are GeoNames country data. Sources & method.
#PlaceRegionPopulation
1Ulan BatorUlaanbaatar844,818
2ErdenetOrhon97,814
3DarhanDarhan Uul83,883
4ChoibalsanEast Aimak44,835
5NalayhUlaanbaatar39,579
6MörönKhövsgöl Province39,404
7BayanhongorBayankhongor30,931
8UlaangomUvs Province30,092
9KhovdHovd29,800
10ArvayheerÖvörhangay29,420
11ÖlgiiBayan-Ölgii Province28,400
12BogdÖvörhangay27,924
13DalandzadgadÖmnögovĭ24,863
14SühbaatarSelenge Province22,741
15UndurkhaanHentiy22,741
16TsetserlegArkhangai Province21,620
17SaynshandEast Gobi Aymag19,891
18DzüünharaaSelenge Province18,830
19Baruun-UrtSühbaatar18,190
20AltaiGovi-Altai Province17,617
21BulganBulgan17,348
22DzuunmodCentral Aimak16,953
23ZuunmodCentral Aimak16,953
24UliastayDzabkhan16,265
25MandalgoviMiddle Govĭ12,339
26Zamiin UudEast Gobi Aymag11,527
27ChoyrGovĭ-Sumber10,434
28ChoyrGovĭ-Sumber10,434
29TosontsengelDzabkhan9,526
30KharkhorinÖvörhangay8,977
31Bor-ÖndörHentiy8,897
32TsengelKhövsgöl Province8,348
33SharïngolSelenge Province7,795
34HongorDarhan Uul5,874
35JargalantBayan-Ölgii Province5,137
36SörtBulgan4,700
37HutagBulgan4,591
38BerhHentiy3,890
39JargalantOrhon3,417
40OrhonDarhan Uul3,245
41HalhgolEast Aimak3,203
42ShargaBulgan3,048
43HoriultBayankhongor2,900
44ErgelEast Gobi Aymag2,853
45DashinchillingBulgan2,300
46TurtKhövsgöl Province2,140
47ArgalantCentral Aimak1,955
48HongorEast Gobi Aymag1,781
49BürenhayrhanHovd1,768
50UlaanhudagCentral Aimak1,500

Twenty years earlier: Mongolia in the 2005 World Gazetteer — population then 2,535,013.