US Cities Starting with O

US cities with populations over 1,000 starting with O.

449 cities

City
State
2026 Pop. ↓
Oklahoma CityOklahoma727,836
OmahaNebraska487,506
OaklandCalifornia444,839
OrlandoFlorida348,347
Oyster BayNew York301,088
Overland ParkKansas205,413
OxnardCalifornia199,970
OntarioCalifornia190,066
OceansideCalifornia169,376
OlatheKansas152,772
OrangeCalifornia137,171
OdessaTexas122,155
O'FallonMissouri97,200
OremUtah95,755
OgdenUtah89,334
OcalaFlorida73,434
Old BridgeNew Jersey73,162
OshkoshWisconsin67,406
OwensboroKentucky60,870
Orland ParkIllinois57,757
OlympiaWashington56,602
Oak LawnIllinois55,722
OcoeeFlorida53,155
Oak ParkIllinois52,133
OrangetownNew York50,449
Oro ValleyArizona49,669
OakleyCalifornia48,996
Olive BranchMississippi47,766
OdentonMaryland47,536
Oakland ParkFlorida46,538
Ormond BeachFlorida45,333
OwassoOklahoma45,031
OviedoFlorida42,845
OswegoIllinois40,795
OrionMichigan39,829
OssiningNew York39,793
Oak CreekWisconsin39,222
Oregon CityOregon38,603
OaktonVirginia37,378
OpelikaAlabama36,972
Owings MillsMaryland36,781
OlneyMaryland36,498
OrangevaleCalifornia35,510
OildaleCalifornia35,499
Oak RidgeTennessee35,328
OakvilleMissouri34,941
Oakleaf PlantationFlorida33,142
OrchardsWashington32,061
O'FallonIllinois32,047
OrcuttCalifornia31,833
OakdaleMinnesota31,526
Orchard ParkNew York30,055
Oak ParkMichigan29,358
OceanNew Jersey28,198
OxfordMississippi27,448
OwatonnaMinnesota26,733
OssiningNew York26,668
Oak ForestIllinois26,534
OttumwaIowa25,742
OtsegoMinnesota25,724
Oak RidgeFlorida24,790
OzarkMissouri24,168
OshtemoMichigan24,101
Oak HarborWashington23,930
OxfordMichigan23,916
OakdaleCalifornia23,209
OnondagaNew York22,721
OxfordOhio22,354
OxfordAlabama22,088
Old JamestownMissouri21,568
OaklandMichigan21,267
OconomowocWisconsin20,897
OgdenNew York20,842
OnalaskaWisconsin20,413
OlivehurstCalifornia20,321
OregonOhio19,626
OrindaCalifornia19,603
OrovilleCalifornia19,548
OrangeTexas19,279
Ocean SpringsMississippi19,246
OwegoNew York18,835
OttawaIllinois18,752
Oxon HillMaryland18,668
Ocean PointeHawaii18,103
Oak GroveOregon17,588
OswegoNew York17,108
OneontaNew York16,991
On Top of the WorldFlorida16,950
OjusFlorida16,885
Opa-lockaFlorida16,568
Orange CityFlorida16,497
OverlandMissouri15,362
OceolaMichigan14,900
OpelousasLouisiana14,878
OldsmarFlorida14,786
OrangeConnecticut14,493
OwossoMichigan14,468
OzarkAlabama14,385
OxfordMassachusetts13,709
Oak ParkCalifornia13,620
OrangeburgSouth Carolina13,478
OleanNew York13,467
OxfordConnecticut13,444
OaklandNew Jersey13,192
Olympia HeightsFlorida13,108
OttawaKansas12,783
OatfieldOregon12,546
OverleaMaryland12,466
Oak GroveSouth Carolina12,433
OregonWisconsin12,222
OronoMaine12,217
Ocean PinesMaryland12,101
OntarioOregon12,052
OaklandTennessee11,629
OskaloosaIowa11,591
Oak HillsOregon11,494
OkmulgeeOklahoma11,386
Ocean CityNew Jersey11,169
Old SaybrookConnecticut10,823
OntarioNew York10,568
OneidaNew York9,940
Oak IslandNorth Carolina9,789
Orange CoveCalifornia9,690
OceanNew Jersey9,638
Oak GroveMissouri9,595
OakbrookKentucky9,557
Old Orchard BeachMaine9,544
Oak GroveMinnesota9,515
OakwoodOhio9,318
Oil CityPennsylvania9,258
OthelloWashington9,222
OlivetteMissouri9,185
OronokoMichigan9,099
OxfordNorth Carolina9,069
OgdensburgNew York8,988
Orange ParkFlorida8,945
O'HaraPennsylvania8,939
OrtingWashington8,840
Orange BeachAlabama8,834
Old ForgePennsylvania8,740
OrlandCalifornia8,736
OgdenNorth Carolina8,732
Olmsted FallsOhio8,687
OrosiCalifornia8,658
OberlinOhio8,599
OswegoNew York8,531
OradellNew Jersey8,518
OrrvilleOhio8,432
OdessaFlorida8,378
OlneyIllinois8,301
Ocean ShoresWashington8,209
Oak BrookIllinois8,208
ObetzOhio8,197
OronoMinnesota8,191
Oak HillsCalifornia8,100
Oak RidgeNorth Carolina8,029
Oak GroveKentucky7,992
Oak PointTexas7,939
Old LymeConnecticut7,745
OakwoodGeorgia7,717
Old TownMaine7,617
OrangeMassachusetts7,605
OjaiCalifornia7,526
Oak HillWest Virginia7,522
OhioPennsylvania7,418
OlivarezTexas7,198
OscodaMichigan7,191
Oroville EastCalifornia7,159
OrlovistaFlorida7,114
OneontaAlabama7,087
OceanoCalifornia7,055
Ocean CityMaryland6,901
Ormond-by-the-SeaFlorida6,860
OntwaMichigan6,817
OceanportNew Jersey6,773
Old TappanNew Jersey6,758
Ocean CityFlorida6,695
OppAlabama6,684
Orange CityIowa6,681
OntarioOhio6,638
OrleansMassachusetts6,619
Orland HillsIllinois6,582
OakmontPennsylvania6,559
Orchard MesaColorado6,542
Oak ViewCalifornia6,427
OakdaleLouisiana6,400
OaklandMaine6,351
OsceolaArkansas6,264
OakfieldMichigan6,238
OxfordPennsylvania6,168
OdenvilleAlabama6,087
OxfordPennsylvania5,997
OtsegoMichigan5,986
OkeechobeeFlorida5,968
Offutt AFBNebraska5,898
OdessaMissouri5,729
OelweinIowa5,729
OspreyFlorida5,718
OregonMichigan5,709
OsceolaIowa5,668
OrangetreeFlorida5,601
Oak BluffsMassachusetts5,469
OakhurstCalifornia5,447
OlyphantPennsylvania5,409
Old Fig GardenCalifornia5,392
OrangeVirginia5,367
Osage BeachMissouri5,336
OliveMichigan5,331
OmakWashington5,319
Otis Orchards-East FarmsWashington5,317
Orchard HomesMontana5,299
Old WestburyNew York5,278
OvillaTexas4,997
Old LycomingPennsylvania4,936
Okauchee LakeWisconsin4,920
OneontaNew York4,918
OwossoMichigan4,806
Ottawa HillsOhio4,800
OgallalaNebraska4,691
OssipeeNew Hampshire4,676
OcontoWisconsin4,647
Old StineCalifornia4,623
Oak Park HeightsMinnesota4,589
Olympia FieldsIllinois4,534
Oak GroveTennessee4,496
OwegoNew York4,428
OxfordMaine4,403
OttawaOhio4,402
OliveNew York4,293
Oak HillTennessee4,290
OsawatomieKansas4,188
OaklynNew Jersey4,021
OtsegoMichigan3,999
OneidaMichigan3,974
OleyPennsylvania3,960
OdessaMichigan3,947
OswegatchieNew York3,932
OrringtonMaine3,929
OaklandFlorida3,917
OneidaTennessee3,916
OasisCalifornia3,893
One LoudounVirginia3,847
OtsegoNew York3,670
OxfordNew York3,645
OmroWisconsin3,635
OzarkArkansas3,631
OrangeOhio3,602
OglesbyIllinois3,593
O'NeillNebraska3,581
OregonIllinois3,540
OsageIowa3,524
OrangevilleMichigan3,517
OnalaskaTexas3,510
Oliver SpringsTennessee3,496
OxfordMichigan3,495
OssianIndiana3,479
OakwoodOhio3,461
OronogoMissouri3,455
OwascoNew York3,443
Owens Cross RoadsAlabama3,415
Orchard CityColorado3,340
OrofinoIdaho3,313
OhiovillePennsylvania3,291
Orchidlands EstatesHawaii3,264
OntelauneePennsylvania3,254
Ocean ViewDelaware3,203
OveriselMichigan3,166
OakridgeOregon3,132
OnondagaMichigan3,105
OlgaFlorida3,089
OakfieldNew York3,080
OkemahOklahoma3,068
OostburgWisconsin3,058
Oconto FallsWisconsin3,049
OlneyTexas3,043
OracleArizona3,031
Otsego LakeMichigan3,026
OrwigsburgPennsylvania3,024
Orchard ParkNew York3,023
Oak Ridge NorthTexas2,975
Oak Trail ShoresTexas2,933
OsceolaWisconsin2,931
Ocala EstatesFlorida2,889
Oaklawn-SunviewKansas2,877
Oak HarborOhio2,775
Osage CityKansas2,770
OwensvilleMissouri2,767
OdellOregon2,761
OrleansNew York2,750
OrleansMichigan2,747
OnawaIowa2,740
Oakbrook TerraceIllinois2,720
Oak GroveMississippi2,708
OtegoNew York2,675
OaklandPennsylvania2,670
OcillaGeorgia2,644
Oak GroveVirginia2,608
OsceolaIndiana2,608
OliveMichigan2,554
OwingsMaryland2,550
OkanoganWashington2,548
OxfordNew Jersey2,493
OsseoMinnesota2,452
OcklawahaFlorida2,420
OtiscoNew York2,404
OkolonaMississippi2,372
OakboroNorth Carolina2,343
OgdensburgNew Jersey2,338
OvertonTexas2,319
OxfordGeorgia2,315
Oriole BeachFlorida2,314
OzonaTexas2,314
OdemTexas2,307
OtiscoMichigan2,300
OvidNew York2,298
OliviaMinnesota2,284
OvidMichigan2,271
Oakland CityIndiana2,259
Oyster Bay CoveNew York2,258
OntonagonMichigan2,255
Orchard Lake VillageMichigan2,249
Oak HillFlorida2,247
OrlandMaine2,210
OvidMichigan2,206
OronocoMinnesota2,155
Olmos ParkTexas2,148
OliverPennsylvania2,122
Old BrookvilleNew York2,108
OrdNebraska2,080
OrleansIndiana2,065
Oakwood HillsIllinois2,054
OliverPennsylvania2,028
Ocean GateNew Jersey2,001
OakleyKansas1,978
OldmansNew Jersey1,974
OrovilleWashington1,960
OgdenIowa1,951
OlatheColorado1,950
OrtonvilleMinnesota1,945
OakhamMassachusetts1,942
OakhurstOklahoma1,920
Ocean RidgeFlorida1,917
OltonTexas1,910
OssunLouisiana1,893
OsceolaMichigan1,889
OtisfieldMaine1,863
OleanNew York1,829
Ocean ParkWashington1,824
OsseoWisconsin1,818
Oak RidgeTexas1,814
OaklandMaryland1,797
OakesNorth Dakota1,774
OakfieldNew York1,772
Oak LeafTexas1,749
OppenheimNew York1,744
OsakisMinnesota1,735
Old MiakkaFlorida1,721
OsburnIdaho1,718
OrionIllinois1,694
OssinekeMichigan1,680
OwentonKentucky1,678
OglalaSouth Dakota1,673
OlivetTennessee1,669
OrfordvilleWisconsin1,662
Oil CreekPennsylvania1,654
OgdenKansas1,650
Orchard Grass HillsKentucky1,646
OtisMassachusetts1,613
OswegoKansas1,607
OberlinKansas1,601
OgunquitMaine1,601
OlympiaSouth Carolina1,601
OsgoodIndiana1,591
OwingsvilleKentucky1,589
OakleyUtah1,551
OaklandIowa1,518
Olive HillKentucky1,509
OrwellOhio1,508
OvidMichigan1,492
Orange BlossomCalifornia1,489
OlivetMichigan1,485
OsmondWyoming1,471
Owls HeadMaine1,471
OmaoHawaii1,459
OttoPennsylvania1,457
Old River-WinfreeTexas1,421
OverfieldPennsylvania1,418
OakdalePennsylvania1,402
Oak HillOhio1,400
OdonIndiana1,382
OologahOklahoma1,378
OaklandMissouri1,371
OliverMichigan1,368
OriskanyNew York1,354
OrtonvilleMichigan1,351
OaklandNebraska1,346
OblongIllinois1,339
OaklandPennsylvania1,338
OkawvilleIllinois1,337
OrangeMichigan1,335
OceanaWest Virginia1,334
OwensvilleIndiana1,331
OnekamaMichigan1,327
OmegaGeorgia1,326
OxfordNew York1,317
OrangeNew York1,309
Oak GroveLouisiana1,308
OllaLouisiana1,292
OstranderOhio1,291
OrangevilleUtah1,286
OnargaIllinois1,271
OberlinLouisiana1,267
Oyster CreekTexas1,263
OntonagonMichigan1,262
OrangevilleNew York1,260
OrwellVermont1,257
OakwoodIllinois1,251
OsborneKansas1,250
Ore CityTexas1,241
OrwellPennsylvania1,229
OrfordNew Hampshire1,227
OhatcheeAlabama1,220
OkarcheOklahoma1,219
OranMissouri1,207
Oak Grove HeightsArkansas1,197
OxfordIndiana1,192
Orange GroveTexas1,188
Ohkay OwingehNew Mexico1,186
OrangePennsylvania1,181
OccidentalCalifornia1,173
Ogden DunesIndiana1,167
OgemawMichigan1,160
OnancockVirginia1,157
OsinoNevada1,150
OtterbeinIndiana1,141
OoliticIndiana1,135
OrwellNew York1,088
OrangeVermont1,080
OccoquanVirginia1,077
OrdwayColorado1,073
OakfieldWisconsin1,068
OskaloosaKansas1,060
OquawkaIllinois1,046
OkeeneOklahoma1,039
OrlindaTennessee1,034
OxfordKansas1,033
OrangeMichigan1,031
Ocean Isle BeachNorth Carolina1,013
OsceolaMissouri1,001

Quick Stats

How many US cities start with O?

There are 449 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 727,836.

Sources

  1. US Census: 2024 Place Gazetteer Files
  2. City and Town Population Totals: 2020-2024