Biggest City in Each US State by Letter - O

Name the most populous municipality in each state that starts with the letter O.

Based on the 2020 Census

Unincorporated communities are only counted for Hawaii

Nevada, New Mexico, and Rhode Island have no incorporated communities starting with O

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Last updated: August 30, 2023

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First submitted	August 30, 2023
Times taken	93
Average score	27.7%
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State	Population	Answer
Oklahoma	681,054	Oklahoma City
Nebraska	486,051	Omaha
California	440,646	Oakland
Florida	307,573	Orlando
Kansas	197,238	Overland Park
Texas	114,428	Odessa
Utah	98,129	Orem
Missouri	91,316	O'Fallon
Wisconsin	66,816	Oshkosh
Kentucky	60,183	Owensboro
Illinois	58,703	Orland Park
Washington	55,605	Olympia
Arizona	47,070	Oro Valley
Mississippi	39,711	Olive Branch
Oregon	37,572	Oregon City
Tennessee	31,402	Oak Ridge
Alabama	30,995	Opelika
Michigan	29,560	Oak Park
Minnesota	28,303	Oakdale
New York	27,551	Ossining
Iowa	25,529	Ottumwa
Ohio	23,035	Oxford
Louisiana	15,786	Opelousas
Hawaii	14,965	Ocean Pointe

State	Population	Answer
Connecticut	14,280	Orange
Massachusetts	13,347	Oxford
South Carolina	13,240	Orangeburg
New Jersey	12,748	Oakland
Maine	11,183	Orono
Pennsylvania	9,608	Oil City
North Carolina	8,628	Oxford
West Virginia	8,179	Oak Hill
Arkansas	6,976	Osceola
Maryland	6,844	Ocean City
Virginia	5,062	Orange
Georgia	4,822	Oakwood
New Hampshire	4,372	Ossipee
Indiana	3,266	Ossian
Idaho	3,239	Orofino
Colorado	3,142	Orchard City
Delaware	2,636	Ocean View
North Dakota	1,798	Oakes
Vermont	1,239	Orwell
South Dakota	666	Onida
Alaska	216	Old Harbor
Montana	84	Outlook
Wyoming	64	Opal