United States Cities Starting with O

Cities in the United States with population greater than 10,000 starting with the letter O.

City 2020 Population State
Oklahoma City655,407Oklahoma
Omaha470,702Nebraska
Oakland435,224California
Orlando291,739Florida
Oxnard212,715California
Overland Park196,636Kansas
Ontario186,653California
Oceanside176,950California
Olathe142,841Kansas
Orange138,816California
Odessa119,738Texas
Orem99,045Utah
O'Fallon90,684Missouri
Ogden88,061Utah
Oshkosh66,831Wisconsin
Ocala61,719Florida
Owensboro60,323Kentucky
Orland Park57,634Illinois
Oak Lawn54,555Illinois
Olympia54,427Washington
Oak Park52,443Illinois
Ocoee50,394Florida
Oro Valley46,933Arizona
Oakland Park46,771Florida
Ormond Beach44,985Florida
Oviedo44,395Florida
Oakley43,991California
Odenton41,846Maryland
Olive Branch39,837Mississippi
Oregon City37,839Oregon
Oakton37,185Virginia
Owasso37,116Oklahoma
Oak Creek37,006Wisconsin
Oakville36,827Missouri
Oswego36,013Illinois
Olney35,280Maryland
Orangevale34,757California
Oildale34,723California
Owings Mills34,477Maryland
Opelika31,455Alabama
Oceanside31,185New York
Orcutt30,493California
O'Fallon29,918Illinois
Oak Park29,450Michigan
Oak Ridge29,363Tennessee
Oakdale28,088Minnesota
Oakleaf Plantation27,252Florida
Oak Forest26,920Illinois
Owatonna25,950Minnesota
Oxford25,884Mississippi
Ossining24,722New York
Oakdale24,385California
Ottumwa24,148Iowa
Oak Harbor24,067Washington
Okemos23,912Michigan
Oxford23,859Ohio
Oak Ridge23,712Florida
Old Bridge23,607New Jersey
Orchards23,020Washington
Ozark21,338Missouri
Oxford21,117Alabama
Orinda20,152California
Oregon19,822Ohio
Oroville19,456California
Old Jamestown19,439Missouri
Onalaska18,827Wisconsin
Otsego18,581Minnesota
Orange18,336Texas
Ocean Springs18,099Mississippi
Ottawa17,996Illinois
Oxon Hill17,720Maryland
Ojus17,462Florida
Oconomowoc17,195Wisconsin
Oak Grove17,183Oregon
Oswego17,103New York
Ocean Acres16,803New Jersey
Opa-locka16,304Florida
Opelousas15,876Louisiana
Overland15,461Missouri
Oldsmar15,201Florida
Olympia Heights14,536Florida
Owosso14,380Michigan
Ozark14,197Alabama
Oneonta14,158New York
Ocean Pointe14,037Hawaii
Orange13,937Connecticut
Oak Park13,730California
Oatfield13,531Oregon
Olean13,395New York
Olivehurst13,309California
Oakland13,081New Jersey
Orangeburg12,749South Carolina
Overlea12,384Maryland
Ottawa12,337Kansas
Ocean Pines12,246Maryland
Orange City12,156Florida
Oak Hills11,962Oregon
Okmulgee11,587Oklahoma
Oskaloosa11,490Iowa
Ontario11,108Oregon
Oak Grove10,993South Carolina
Ocean City10,873New Jersey
Oregon10,820Wisconsin
Oneida10,684New York
Ogdensburg10,323New York