United States Cities Starting with O

Cities in the United States with population greater than 1,000 starting with the letter O.

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City
2024 Population
Type
Oklahoma City706,576
Omaha477,705
Oakland420,233
Orlando324,429
Oyster Bay293,812
Oxnard198,586
Overland Park197,730
Ontario182,270
Oceanside170,484
Olathe149,657
Orange132,928
Odessa110,886
O'Fallon95,695
Orland93,640
Orem93,396
Ogden86,358
Ocala67,163
Oshkosh65,126
Owensboro59,836
Orland Park56,455
Olympia55,731
Oak Lawn54,403
Oak Park50,710
Oro Valley49,234
Ocoee48,884
Odenton47,794
Olive Branch47,592
Orangetown47,539
Oakley45,908
Ormond Beach44,987
Oakland Park43,513
Owasso40,273
Oviedo39,148
Orion38,596
Ossining37,932
Oswego36,981
Oregon City36,886
Oakton36,590
Orangevale36,098
Olney35,694
Oak Creek35,676
Oakville35,522
Owings Mills35,287
Opelika34,502
Oildale34,072
Oak Ridge33,775
Orcutt30,921
Orchards30,900
Oakleaf Plantation30,179
Orchard Park29,811
Osolo28,723
Old Bridge28,352
Ocean27,576
Oxford27,373
Oakdale27,324
Owatonna26,531
Okemos26,289
Oak Forest25,550
Ottumwa24,902
Otsego24,677
Oak Harbor24,187
Oshtemo23,668
Ozark23,623
Onondaga22,006
Old Jamestown20,397
Oroville20,124
Olivehurst19,683
Oregon19,595
Orinda19,194
Onalaska19,082
Ocean Acres18,915
Ocean Springs18,899
Oconomowoc18,767
Owego18,706
Ottawa18,488
Oxon Hill18,052
Oneonta17,988
Oak Grove17,289
Orange City17,091
Ocean Pointe16,658
Ojus16,290
Opa-locka15,394
Overland15,318
Opelousas15,218
On Top World15,196
Oceola14,858
Oldsmar14,854
Owosso14,560
Olmsted14,280
Olympia Heights14,082
Olean13,620
Orangeburg13,523
Oatfield13,233
Overlea12,464
Ocean Pines12,404
Oak Hills11,878
Okmulgee11,512
Oskaloosa11,426
Ocean City11,391
Orono10,709
Oakbrook10,369
Oak Island10,161
Oneida9,964
Orange Lake9,862
Orange Cove9,411
Oil City9,327
Orosi9,292
Othello9,273
Oakwood9,262
Oak Hills Place9,154
Oronoko9,134
Old Orchard Beach9,128
Old Jefferson9,003
Orange Park8,959
Orting8,857
O'Hara8,855
Orange Beach8,764
Old Forge8,659
Ogdensburg8,590
Olmsted Falls8,555
Orrville8,403
Olivette8,280
Oradell8,110
Ocean Shores7,915
Oak Brook7,901
Orchard Mesa7,862
Oak Hill7,732
Oroville East7,518
Old Town7,471
Ojai7,458
Oak Point7,424
Ohio7,252
Old Greenwich7,140
Oceano7,119
Oberlin6,886
Ontwa6,807
Opp6,688
Oakmont6,588
Obetz6,536
Orland Hills6,419
Olivarez6,413
Oak View6,379
Osceola6,363
Ormond-by-the-Sea6,337
Osprey6,172
Oreland6,147
Old Bethpage6,108
Oceanport6,103
Oakfield6,030
Offutt AFB5,974
Orlovista5,854
Old Tappan5,791
Oelwein5,761
Orangetree5,627
Okeechobee5,615
Orchard Homes5,455
Osnaburg5,439
Otis Orchards-East Farms5,430
Olyphant5,381
Old Westbury5,246
Oak Bluffs5,211
Omak5,008
Oasis4,996
Odenville4,995
Osage Beach4,947
Old Lycoming4,913
Okauchee Lake4,890
Ottawa Hills4,790
Ogallala4,722
Old Fig Garden4,699
Oak Park Heights4,699
Oconto4,639
Olio4,637
Ossipee4,614
Oakhurst4,601
Ovilla4,474
Ocean Bluff-Brant Rock4,431
Olympia Fields4,426
Oak Valley4,394
Oronoque4,350
Osawatomie4,223
Olive4,216
Oaklyn3,920
Orrington3,914
Oswegatchie3,840
Oak Trail Shores3,750
Old Stine3,747
Orrock3,732
Oglesby3,577
Omro3,565
Orangeville3,561
O'Neill3,535
Owen3,532
Osage3,487
Old Mystic3,468
Owasco3,461
Odell3,453
Oliver Springs3,404
Ossian3,380
Orofino3,340
One Loudoun3,329
Orchard City3,260
Oaklawn-Sunview3,246
Ohioville3,246
Overisel3,169
Oakridge3,141
Oostburg3,114
Ocean Grove3,107
Ocean View3,038
Oconto Falls3,027
Oronogo3,007
Orwigsburg3,003
Otsego Lake2,978
Okemah2,958
Oak Ridge North2,940
Ontelaunee2,903
Owensville2,805
Ovid2,786
Osage City2,777
Oracle2,768
Orleans2,750
Ossun2,735
Olga2,733
Onawa2,723
Otego2,696
Owens Cross Roads2,672
Oakbrook Terrace2,646
Ocala Estates2,631
Oil2,575
Old Hill2,522
Ocilla2,503
Osseo2,454
Okanogan2,398
Okolona2,380
Omphghent2,364
Otisco2,343
Owings2,342
Overton2,315
Olivia2,286
Oakboro2,266
Oakland City2,256
Odem2,242
Ozona2,232
Oyster Bay Cove2,228
Orchard Lake Village2,189
Oxoboxo River2,181
Olmos Park2,151
Ord2,114
Old Brookville2,058
Oakwood Hills2,054
Old Saybrook Center2,050
Otto2,040
Oliver2,035
Ocean Gate2,027
Ortonville1,995
Oldmans1,927
Otisfield1,926
Olton1,890
Oakham1,888
Orange Blossom1,885
Oklahoma1,848
Old Orchard1,845
Ocean Ridge1,832
Ocean Park1,832
Oronoco1,778
Ocklawaha1,770
Oppenheim1,760
Osburn1,751
Oakes1,748
Oak Leaf1,744
Olivet1,741
Osakis1,736
Oriole Beach1,715
Orchidlands Estates1,702
Old Miakka1,670
Owenton1,655
Oil Creek1,654
Orchard Grass Hills1,612
Otis1,612
Onset1,603
Ogunquit1,603
Osgood1,591
Owingsville1,585
Olive Hill1,529
Owls Head1,529
Orwell1,517
Orfordville1,487
Orchard Hills1,450
Overfield1,440
Orient1,417
Odon1,382
Otter Creek1,360
Oceana1,355
Oblong1,351
Okawville1,347
Omao1,333
Oologah1,333
Osino1,329
Osborne1,324
Omega1,321
Orel1,318
Old River-Winfree1,317
Oriskany1,293
Olla1,289
Ontonagon1,282
Onarga1,265
Orford1,259
Ostrander1,236
Oneco1,235
Osborn1,221
Oyster Creek1,220
Orange Grove1,200
Oley1,197
Ohatchee1,196
Oran1,196
Ore City1,196
Oak Grove Heights1,192
Ogemaw1,181
Okarche1,165
Ogden Dunes1,163
Onancock1,151
Oolitic1,144
Otterbein1,128
Ordway1,127
Ohkay Owingeh1,126
Owyhee1,112
Oceanville1,105
Oscoda1,103
Olinda1,088
Oglala1,064
Oquawka1,052
Occoquan1,048
Ocean Isle Beach1,044
Orlinda1,014
Osceola Mills1,004
showing: 335 rows

United States Cities Starting with O

How many US cities start with O?

There are 400 cities in the United States that start with O and have a population over 1,000.

What is the largest US city that starts with O?

The largest US city that starts with O is Oklahoma City, Oklahoma with a population of 706,576.

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US Cities by First Letter