The World - Top 100+ Cities by Population
Population data by city is the population of the city itself, not the metro area (for specific metro area data, see our ranking by metro area). Data is as of 2011 estimates.
| Rank | City | Country | Population | |
|---|---|---|---|---|
| 37,624. | Oppenheim | Germany | 6,789 | |
| 88,429. | Oppenhuizen | Netherlands | 1,150 | |
| 49,067. | Oppenweiler | Germany | 4,295 | |
| 74,520. | Opperdoes | Netherlands | 1,860 | |
| 95,671. | Oppershausen | Germany | 369 | |
| 97,022. | Oppertshausen | Germany | 125 | |
| 51,350. | Oppido Lucano | Italy | 3,968 | |
| 42,261. | Oppido Mamertina | Italy | 5,559 | |
| 79,429. | Oppin | Germany | 1,563 | |
| 14,768. | Opportunity | United States | 25,877 | |
| 84,171. | Oppurg | Germany | 1,325 | |
| 59,390. | Oprişor | Romania | 3,030 | |
| 54,297. | Optaşi | Romania | 3,581 | |
| 80,724. | Opunake | New Zealand | 1,495 | |
| 68,530. | Ópusztaszer | Hungary | 2,260 | |
| 45,797. | Opuwo | Namibia | 4,857 | |
| 62,434. | Opuzen | Croatia | 2,743 | |
| 26,254. | Opwijk | Belgium | 12,045 | |
| 10,569. | Oqtosh | Uzbekistan | 38,307 | |
| 83,256. | Oquawka | United States | 1,371 | |
| 26,822. | Oquirrh | United States | 11,668 | |
| 12,744. | Or Yehuda | Israel | 30,802 | |
| 59,467. | Ora - Auer | Italy | 3,022 | |
| 53,462. | Oracle | United States | 3,686 | |
| 71,756. | Oracon | Philippines | 2,045 | |
| 1,924. | Oradea | Romania | 206,614 | |
| 34,102. | Oradell | United States | 7,978 | |
| 71,173. | Oradour-sur-Glane | France | 2,088 | |
| 76,829. | Oradour-sur-Vayres | France | 1,713 | |
| 16,844. | Orahovac | Kosovo | 22,049 | |
| 49,134. | Orahovica | Croatia | 4,283 | |
| 42,005. | Orahovica Donja | Bosnia and Herzegovina | 5,612 | |
| 2,525. | Orai | India | 158,265 | |
| 22,536. | Oraiókastron | Greece | 15,006 | |
| 48,425. | Oraison | France | 4,399 | |
| 1,999. | Oral | Kazakhstan | 200,000 | |
| 551. | Oran | Algeria | 645,984 | |
| 38,565. | Oran | India | 6,495 | |
| 84,943. | Oran | United States | 1,294 | |
| 10,175. | Orange | Australia | 40,000 | |
| 12,823. | Orange | France | 30,530 | |
| 56,483. | Orange | United States | 3,323 | |
| 50,944. | Orange | United States | 4,018 | |
| 46,518. | Orange | United States | 4,721 | |
| 23,731. | Orange | United States | 13,956 | |
| 19,273. | Orange | United States | 18,595 | |
| 11,579. | Orange | United States | 34,457 | |
| 2,939. | Orange | United States | 136,416 | |
| 42,782. | Orange Beach | United States | 5,441 | |
| 40,354. | Orange City | United States | 6,004 | |
| 28,639. | Orange City | United States | 10,599 | |
| 31,553. | Orange Cove | United States | 9,078 | |
| 29,764. | Orange Farm | South Africa | 10,000 | |
| 84,330. | Orange Grove | United States | 1,318 | |
| 36,987. | Orange Lake | United States | 6,982 | |
| 33,039. | Orange Park | United States | 8,412 | |
| 22,213. | Orange Walk | Belize | 15,298 | |
| 47,370. | Orangeburg | United States | 4,568 | |
| 23,722. | Orangeburg | United States | 13,964 | |
| 48,368. | Orangetree | United States | 4,406 | |
| 11,736. | Orangevale | United States | 33,960 | |
| 12,167. | Orangeville | Canada | 32,640 | |
| 81,224. | Orangeville | United States | 1,470 | |
| 58,059. | Orani | Italy | 3,152 | |
| 9,208. | Orani | Philippines | 44,877 | |
| 55,137. | Oranienbaum | Germany | 3,476 | |
| 9,995. | Oranienburg | Germany | 40,793 | |
| 32,841. | Oranjemund | Namibia | 8,496 | |
| 13,034. | Oranjestad | Aruba | 29,998 | |
| 89,911. | Oranjestad | Bonaire, Saint Eustatius and Saba | 1,097 | |
| 63,483. | Oranjewijk | Netherlands | 2,650 | |
| 90,859. | Oranjewoud | Netherlands | 1,062 | |
| 76,145. | Oranmore | Ireland | 1,758 | |
| 48,619. | Oranzherei | Russia | 4,367 | |
| 52,728. | Oraovica | Macedonia | 3,776 | |
| 31,314. | Orapa | Botswana | 9,189 | |
| 31,676. | Oras | Philippines | 9,022 | |
| 52,101. | Orašac | Bosnia and Herzegovina | 3,856 | |
| 54,018. | Orašje | Bosnia and Herzegovina | 3,613 | |
| 17,642. | Orăştie | Romania | 20,763 | |
| 66,228. | Orăştioara de Sus | Romania | 2,428 | |
| 37,794. | Oraşu Nou | Romania | 6,737 | |
| 85,051. | Oratino | Italy | 1,289 | |
| 57,879. | Orativ | Ukraine | 3,170 | |
| 29,406. | Oratorio | Guatemala | 10,155 | |
| 70,329. | Oravais | Finland | 2,141 | |
| 25,861. | Oraviţa | Romania | 12,332 | |
| 54,951. | Oravská Lesná | Slovakia | 3,500 | |
| 70,982. | Orba | Spain | 2,100 | |
| 17,135. | Orbassano | Italy | 21,581 | |
| 44,295. | Orbe | Switzerland | 5,132 | |
| 33,554. | Orbeasca de Sus | Romania | 8,203 | |
| 62,840. | Orbec | France | 2,703 | |
| 50,101. | Orbeni | Romania | 4,140 | |
| 22,980. | Orbetello | Italy | 14,607 | |
| 53,100. | Orbey | France | 3,729 | |
| 93,769. | Orbis | Germany | 745 | |
| 42,543. | Őrbottyán | Hungary | 5,495 | |
| 73,875. | Örbyhus | Sweden | 1,905 | |
| 83,932. | Orce | Spain | 1,336 |
