US Cities Starting with O

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

452 cities

City
State
2025 Pop. ↓
Oklahoma CityOklahoma720,377
OmahaNebraska488,385
OaklandCalifornia444,196
OrlandoFlorida341,600
Oyster BayNew York300,314
Overland ParkKansas204,153
OxnardCalifornia200,293
OntarioCalifornia187,675
OceansideCalifornia170,158
OlatheKansas150,903
OrangeCalifornia137,556
OdessaTexas120,951
O'FallonMissouri96,277
OremUtah96,200
OgdenUtah88,995
OcalaFlorida71,842
Old BridgeNew Jersey71,834
OshkoshWisconsin67,324
OwensboroKentucky60,772
Orland ParkIllinois57,888
OlympiaWashington56,436
Oak LawnIllinois56,126
Oak ParkIllinois52,540
OcoeeFlorida52,212
OrangetownNew York49,821
Oro ValleyArizona49,262
OakleyCalifornia48,077
Olive BranchMississippi47,565
OdentonMaryland47,000
Oakland ParkFlorida46,154
Ormond BeachFlorida44,964
OwassoOklahoma43,926
OviedoFlorida42,373
OswegoIllinois39,786
OssiningNew York39,498
Orion charterMichigan39,474
Oak CreekWisconsin38,797
Oregon CityOregon38,465
OaktonVirginia37,120
OrangevaleCalifornia36,325
Owings MillsMaryland36,093
OpelikaAlabama35,988
OlneyMaryland35,942
OildaleCalifornia35,324
OakvilleMissouri35,229
Oak RidgeTennessee34,683
O'FallonIllinois32,108
OrcuttCalifornia31,695
OrchardsWashington31,628
Oakleaf PlantationFlorida31,502
OakdaleMinnesota30,983
Orchard ParkNew York29,970
Oak ParkMichigan29,380
OceanNew Jersey28,095
OxfordMississippi27,124
OssiningNew York26,781
OwatonnaMinnesota26,679
Oak ForestIllinois26,673
OttumwaIowa25,695
Oak RidgeFlorida24,924
OtsegoMinnesota24,799
Oak HarborWashington24,046
Oshtemo charterMichigan24,040
OzarkMissouri23,708
Oxford charterMichigan23,510
OakdaleCalifornia23,209
OnondagaNew York22,621
OxfordOhio22,469
OxfordAlabama22,088
Oakland charterMichigan20,993
Old JamestownMissouri20,688
OgdenNew York20,595
OconomowocWisconsin20,449
OnalaskaWisconsin20,155
OregonOhio19,676
OrovilleCalifornia19,630
OrindaCalifornia19,588
OrangeTexas19,277
Ocean SpringsMississippi19,100
OwegoNew York18,801
OttawaIllinois18,763
Oxon HillMaryland18,727
OlivehurstCalifornia18,356
Ocean PointeHawaii18,126
Oak GroveOregon17,762
OswegoNew York17,077
Opa-lockaFlorida16,537
OneontaNew York16,335
On Top WorldFlorida16,320
OjusFlorida16,054
Orange CityFlorida15,877
OverlandMissouri15,454
OpelousasLouisiana15,027
OceolaMichigan14,848
OldsmarFlorida14,808
OwossoMichigan14,506
OrangeConnecticut14,462
OzarkAlabama14,376
Olympia HeightsFlorida13,908
OxfordMassachusetts13,606
Oak ParkCalifornia13,581
OleanNew York13,540
OrangeburgSouth Carolina13,428
OxfordConnecticut13,354
OaklandNew Jersey13,059
OatfieldOregon12,988
OverleaMaryland12,924
OttawaKansas12,758
Ocean PinesMaryland12,462
OronoMaine12,208
OregonWisconsin12,058
OntarioOregon12,004
Oak HillsOregon11,892
Oak GroveSouth Carolina11,658
OskaloosaIowa11,583
OkmulgeeOklahoma11,370
OaklandTennessee11,199
Ocean CityNew Jersey11,194
Old SaybrookConnecticut10,756
OntarioNew York10,542
OakbrookKentucky10,297
OneidaNew York10,003
Orange CoveCalifornia9,699
Oak IslandNorth Carolina9,555
Old Orchard BeachMaine9,491
OceanNew Jersey9,440
Oak GroveMinnesota9,421
Oak GroveMissouri9,362
OakwoodOhio9,359
Oil CityPennsylvania9,313
OgdenNorth Carolina9,182
OrosiCalifornia9,182
OgdensburgNew York9,135
OthelloWashington9,111
Oronoko charterMichigan9,090
OlivetteMissouri9,072
OxfordNorth Carolina9,020
Orange ParkFlorida8,969
Oak Hills PlaceLouisiana8,968
O'HaraPennsylvania8,963
OrtingWashington8,875
Orange BeachAlabama8,716
Old ForgePennsylvania8,697
Olmsted FallsOhio8,681
OrlandCalifornia8,670
OberlinOhio8,593
OswegoNew York8,525
Old JeffersonLouisiana8,458
OrrvilleOhio8,437
OradellNew Jersey8,431
OlneyIllinois8,366
OronoMinnesota8,209
Oak BrookIllinois8,198
Oak GroveKentucky7,982
Ocean ShoresWashington7,970
Oak RidgeNorth Carolina7,964
ObetzOhio7,751
Old LymeConnecticut7,733
Oak HillWest Virginia7,627
OlivarezTexas7,610
OdessaFlorida7,606
OrangeMassachusetts7,594
Oak HillsCalifornia7,578
Old TownMaine7,564
OjaiCalifornia7,544
Oroville EastCalifornia7,480
Oak PointTexas7,382
OhioPennsylvania7,374
OceanoCalifornia7,287
Orchard MesaColorado7,257
OakwoodGeorgia7,238
Oscoda charterMichigan7,191
Oak ViewCalifornia7,069
OneontaAlabama7,063
Ocean CityMaryland6,892
OntwaMichigan6,826
OrlovistaFlorida6,795
OppAlabama6,695
OntarioOhio6,643
Orland HillsIllinois6,629
Orange CityIowa6,614
OakmontPennsylvania6,593
OceanportNew Jersey6,578
OrleansMassachusetts6,552
Old TappanNew Jersey6,550
Ormond-by-the-SeaFlorida6,484
OakdaleLouisiana6,445
OsceolaArkansas6,380
OaklandMaine6,351
Ocean CityFlorida6,248
OspreyFlorida6,219
OakfieldMichigan6,195
OxfordPennsylvania6,125
OtsegoMichigan5,984
OxfordPennsylvania5,953
OdenvilleAlabama5,899
Offutt AFBNebraska5,873
OkeechobeeFlorida5,849
OelweinIowa5,758
OdessaMissouri5,709
OregonMichigan5,709
OsceolaIowa5,626
Otis Orchards-East FarmsWashington5,569
OakhurstCalifornia5,547
Oak BluffsMassachusetts5,438
OlyphantPennsylvania5,403
OliveMichigan5,295
OrangeVirginia5,288
Orchard HomesMontana5,282
OmakWashington5,243
Osage BeachMissouri5,229
Old WestburyNew York5,114
Old Fig GardenCalifornia5,104
OrangetreeFlorida5,060
Old LycomingPennsylvania4,940
OneontaNew York4,934
OvillaTexas4,884
Ottawa HillsOhio4,800
Owosso charterMichigan4,800
Okauchee LakeWisconsin4,757
OgallalaNebraska4,721
OcontoWisconsin4,642
OssipeeNew Hampshire4,642
Oak Park HeightsMinnesota4,631
Olympia FieldsIllinois4,563
Old StineCalifornia4,515
Oak GroveTennessee4,421
OttawaOhio4,412
OxfordMaine4,401
Oak HillTennessee4,387
OwegoNew York4,297
OliveNew York4,282
OsawatomieKansas4,187
OtsegoMichigan4,017
OaklynNew Jersey4,000
Oneida charterMichigan3,970
OswegatchieNew York3,945
OdessaMichigan3,942
OleyPennsylvania3,929
OrringtonMaine3,912
OneidaTennessee3,895
OaklandFlorida3,856
Ocala EstatesFlorida3,786
OtsegoNew York3,649
OmroWisconsin3,639
OzarkArkansas3,616
OglesbyIllinois3,609
OxfordNew York3,605
O'NeillNebraska3,579
OrangeOhio3,573
OregonIllinois3,555
OsageIowa3,541
OrangevilleMichigan3,510
OxfordMichigan3,492
OakwoodOhio3,478
One LoudounVirginia3,474
Oliver SpringsTennessee3,464
OssianIndiana3,458
OwascoNew York3,456
OnalaskaTexas3,438
Oak Trail ShoresTexas3,341
Orchard CityColorado3,308
OronogoMissouri3,307
OhiovillePennsylvania3,300
OrofinoIdaho3,299
Owens Cross RoadsAlabama3,289
OdellOregon3,190
OveriselMichigan3,167
OakridgeOregon3,145
OntelauneePennsylvania3,144
Ocean ViewDelaware3,113
OakfieldNew York3,083
OnondagaMichigan3,072
OkemahOklahoma3,067
OostburgWisconsin3,058
Oconto FallsWisconsin3,036
OlneyTexas3,036
Orchard ParkNew York3,034
OrwigsburgPennsylvania3,019
OracleArizona3,011
OasisCalifornia2,996
Otsego LakeMichigan2,993
Oak Ridge NorthTexas2,989
OlgaFlorida2,953
Oaklawn-SunviewKansas2,911
OsceolaWisconsin2,905
Osage CityKansas2,784
Oak HarborOhio2,782
OcillaGeorgia2,780
OwensvilleMissouri2,773
OnawaIowa2,767
OrleansNew York2,757
OrleansMichigan2,735
Oakbrook TerraceIllinois2,724
Oak GroveVirginia2,722
OaklandPennsylvania2,687
OtegoNew York2,684
OssunLouisiana2,645
OsceolaIndiana2,604
OliveMichigan2,549
OkanoganWashington2,518
OsseoMinnesota2,489
OxfordNew Jersey2,485
OwingsMaryland2,433
OkolonaMississippi2,394
OtiscoNew York2,390
OgdensburgNew Jersey2,324
OvertonTexas2,312
OxfordGeorgia2,312
OakboroNorth Carolina2,306
OdemTexas2,299
Orchidlands EstatesHawaii2,296
OtiscoMichigan2,296
OliviaMinnesota2,295
OvidNew York2,290
OntonagonMichigan2,265
Oakland CityIndiana2,264
Oyster Bay CoveNew York2,257
Orchard Lake VillageMichigan2,245
OvidMichigan2,239
OrlandMaine2,220
Oak HillFlorida2,209
OvidMichigan2,203
Olmos ParkTexas2,151
Old BrookvilleNew York2,104
OliverPennsylvania2,104
OronocoMinnesota2,097
OrdNebraska2,085
OzonaTexas2,076
OrleansIndiana2,071
Oakwood HillsIllinois2,056
OcklawahaFlorida2,046
OliverPennsylvania2,034
Ocean GateNew Jersey1,994
Ocean ParkWashington1,989
OakleyKansas1,987
Old MiakkaFlorida1,972
OakhurstOklahoma1,966
Oak GroveMississippi1,961
OgdenIowa1,960
OlatheColorado1,960
OldmansNew Jersey1,960
OrtonvilleMinnesota1,957
OrovilleWashington1,935
OakhamMassachusetts1,928
OltonTexas1,921
Ocean RidgeFlorida1,902
Orange BlossomCalifornia1,900
OsceolaMichigan1,875
OtisfieldMaine1,874
OleanNew York1,834
OsseoWisconsin1,818
Oriole BeachFlorida1,809
OaklandMaryland1,805
OakfieldNew York1,781
OakesNorth Dakota1,775
OppenheimNew York1,746
OsakisMinnesota1,741
Oak LeafTexas1,717
OrionIllinois1,704
OsburnIdaho1,698
OwentonKentucky1,680
OssinekeMichigan1,666
Oil CreekPennsylvania1,658
OgdenKansas1,653
Oak RidgeTexas1,644
OrfordvilleWisconsin1,630
Orchard Grass HillsKentucky1,628
OswegoKansas1,616
OtisMassachusetts1,616
OberlinKansas1,605
OgunquitMaine1,601
OsgoodIndiana1,590
OwingsvilleKentucky1,589
OakleyUtah1,558
OlympiaSouth Carolina1,533
Olive HillKentucky1,521
OaklandIowa1,518
OlivetMichigan1,509
OrwellOhio1,509
OvidMichigan1,490
Owls HeadMaine1,487
OglalaSouth Dakota1,478
OttoPennsylvania1,462
OmaoHawaii1,442
OverfieldPennsylvania1,423
OakdalePennsylvania1,414
Oak HillOhio1,402
Old River-WinfreeTexas1,402
OdonIndiana1,384
OliverMichigan1,376
OaklandMissouri1,374
OologahOklahoma1,364
OceanaWest Virginia1,355
OriskanyNew York1,351
OrtonvilleMichigan1,351
OaklandNebraska1,350
OblongIllinois1,344
OkawvilleIllinois1,342
OaklandPennsylvania1,336
OrangeNew York1,335
OnekamaMichigan1,334
OwensvilleIndiana1,331
Oak GroveLouisiana1,329
OmegaGeorgia1,325
OxfordNew York1,323
OrangeMichigan1,319
OlivetTennessee1,305
OllaLouisiana1,293
OnargaIllinois1,282
OberlinLouisiana1,277
OrangevilleUtah1,277
OrangevilleNew York1,264
OakwoodIllinois1,263
OntonagonMichigan1,262
OsborneKansas1,262
OstranderOhio1,259
OrwellVermont1,256
Oyster CreekTexas1,248
OrfordNew Hampshire1,232
Ore CityTexas1,220
OrwellPennsylvania1,215
OhatcheeAlabama1,209
OkarcheOklahoma1,206
OranMissouri1,206
OxfordIndiana1,187
Orange GroveTexas1,185
Oak Grove HeightsArkansas1,180
Ohkay OwingehNew Mexico1,180
OrangePennsylvania1,179
Ogden DunesIndiana1,169
OgemawMichigan1,162
OnancockVirginia1,158
OtterbeinIndiana1,141
OsinoNevada1,136
OoliticIndiana1,135
OrwellNew York1,084
OrangeVermont1,080
OccoquanVirginia1,070
OrdwayColorado1,070
OakfieldWisconsin1,066
OskaloosaKansas1,066
OquawkaIllinois1,060
OrebankTennessee1,052
OccidentalCalifornia1,048
OkeeneOklahoma1,045
OxfordKansas1,034
OrangeMichigan1,028
OwyheeNevada1,027
OrlindaTennessee1,019
Osceola MillsPennsylvania1,005
OlindaHawaii1,002

Quick Stats

How many US cities start with O?

There are 452 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 720,377.

Sources

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