United States Cities Starting with O
Cities in the United States with population greater than 10,000 starting with the letter O.
City | 2021 Population | State |
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Oklahoma City | 669,347 | Oklahoma |
Omaha | 479,978 | Nebraska |
Oakland | 440,981 | California |
Orlando | 290,520 | Florida |
Oxnard | 208,101 | California |
Overland Park | 201,034 | Kansas |
Ontario | 193,594 | California |
Oceanside | 175,710 | California |
Olathe | 142,119 | Kansas |
Orange | 137,109 | California |
Odessa | 129,928 | Texas |
Orem | 98,624 | Utah |
O'Fallon | 89,291 | Missouri |
Ogden | 88,915 | Utah |
Oshkosh | 67,408 | Wisconsin |
Ocala | 61,810 | Florida |
Owensboro | 60,903 | Kentucky |
Orland Park | 57,213 | Illinois |
Oak Lawn | 54,206 | Illinois |
Olympia | 53,630 | Washington |
Oak Park | 52,797 | Illinois |
Ocoee | 49,231 | Florida |
Oro Valley | 47,502 | Arizona |
Oakland Park | 45,170 | Florida |
Ormond Beach | 44,591 | Florida |
Oakley | 43,387 | California |
Oviedo | 42,436 | Florida |
Odenton | 41,846 | Maryland |
Olive Branch | 40,382 | Mississippi |
Oswego | 38,390 | Illinois |
Oregon City | 37,769 | Oregon |
Owasso | 37,547 | Oklahoma |
Oakton | 36,997 | Virginia |
Oakville | 36,407 | Missouri |
Oak Creek | 36,163 | Wisconsin |
Olney | 35,191 | Maryland |
Owings Mills | 35,081 | Maryland |
Orangevale | 34,824 | California |
Oildale | 34,763 | California |
Opelika | 31,472 | Alabama |
Orcutt | 31,118 | California |
Oceanside | 30,604 | New York |
O'Fallon | 29,635 | Illinois |
Oak Ridge | 29,384 | Tennessee |
Oak Park | 29,141 | Michigan |
Oxford | 28,996 | Mississippi |
Oakleaf Plantation | 28,237 | Florida |
Oakdale | 27,823 | Minnesota |
Oak Forest | 26,797 | Illinois |
Owatonna | 25,662 | Minnesota |
Ossining | 24,454 | New York |
Orchards | 24,335 | Washington |
Ottumwa | 24,274 | Iowa |
Okemos | 24,141 | Michigan |
Oak Ridge | 24,004 | Florida |
Oakdale | 23,998 | California |
Oak Harbor | 23,975 | Washington |
Oroville | 23,951 | California |
Oxford | 23,588 | Ohio |
Old Bridge | 23,545 | New Jersey |
Oxford | 21,075 | Alabama |
Ozark | 21,060 | Missouri |
Oregon | 20,343 | Ohio |
Orinda | 20,136 | California |
Old Jamestown | 19,777 | Missouri |
Otsego | 19,691 | Minnesota |
Onalaska | 19,483 | Wisconsin |
Oxon Hill | 18,080 | Maryland |
Ottawa | 17,951 | Illinois |
Ocean Springs | 17,900 | Mississippi |
Oak Grove | 17,872 | Oregon |
Orange | 17,500 | Texas |
Ocean Acres | 17,333 | New Jersey |
Oconomowoc | 17,299 | Wisconsin |
Oswego | 17,042 | New York |
Ojus | 16,417 | Florida |
Opelousas | 15,547 | Louisiana |
Oldsmar | 15,527 | Florida |
Opa-locka | 15,523 | Florida |
Overland | 15,425 | Missouri |
Ocean Pointe | 14,989 | Hawaii |
Owosso | 14,373 | Michigan |
Ozark | 14,194 | Alabama |
Oatfield | 14,060 | Oregon |
Olympia Heights | 13,958 | Florida |
Orange | 13,934 | Connecticut |
Oak Park | 13,853 | California |
Oneonta | 13,765 | New York |
Olivehurst | 13,464 | California |
Olean | 13,161 | New York |
Oakland | 12,846 | New Jersey |
Orange City | 12,685 | Florida |
Ocean Pines | 12,499 | Maryland |
Orangeburg | 12,402 | South Carolina |
Oak Hills | 12,308 | Oregon |
Ottawa | 12,216 | Kansas |
Overlea | 12,195 | Maryland |
Okmulgee | 11,735 | Oklahoma |
Oskaloosa | 11,622 | Iowa |
Ontario | 10,972 | Oregon |
Ocean City | 10,859 | New Jersey |
Oak Grove | 10,835 | South Carolina |
Oneida | 10,788 | New York |
Oregon | 10,695 | Wisconsin |
Oak Hills | 10,444 | California |
Orange Cove | 10,247 | California |
Ogdensburg | 10,186 | New York |