US Cities Starting with O

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

452 cities

Rank
City
State
2025 Pop. ↓
1Oklahoma CityOklahoma715,893
2OmahaNebraska477,053
3OaklandCalifornia433,544
4OrlandoFlorida329,347
5Oyster Bay townNew York296,528
6Overland ParkKansas196,659
7OxnardCalifornia196,206
8OntarioCalifornia186,953
9OceansideCalifornia167,390
10OlatheKansas151,377
11OrangeCalifornia137,594
12OdessaTexas116,287
13O'FallonMissouri95,709
14OremUtah93,577
15OgdenUtah87,247
16OcalaFlorida71,504
17Old Bridge townshipNew Jersey68,947
18OshkoshWisconsin65,790
19OwensboroKentucky60,052
20Orland ParkIllinois56,094
21OlympiaWashington55,816
22Oak LawnIllinois54,125
23Oak ParkIllinois50,510
24OcoeeFlorida50,421
25Oro ValleyArizona49,037
26Orangetown townNew York48,001
27Olive BranchMississippi47,324
28OakleyCalifornia47,281
29OdentonMaryland47,000
30Ormond BeachFlorida45,050
31Oakland ParkFlorida44,080
32OwassoOklahoma43,007
33OviedoFlorida42,043
34Orion charter townshipMichigan38,731
35OswegoIllinois38,640
36Ossining townNew York37,886
37Oak CreekWisconsin37,593
38OaktonVirginia37,120
39Oregon CityOregon37,072
40OrangevaleCalifornia36,325
41Owings MillsMaryland36,093
42OlneyMaryland35,942
43OildaleCalifornia35,324
44OpelikaAlabama35,234
45OakvilleMissouri35,229
46Oak RidgeTennessee34,691
47O'FallonIllinois31,742
48OrcuttCalifornia31,695
49OrchardsWashington31,628
50Oakleaf PlantationFlorida31,502
51Orchard Park townNew York29,685
52Oak ParkMichigan28,689
53OakdaleMinnesota28,198
54OxfordMississippi28,011
55Ocean townshipNew Jersey27,518
56OwatonnaMinnesota26,611
57OssiningNew York26,000
58Oak ForestIllinois25,424
59OtsegoMinnesota25,285
60OttumwaIowa25,116
61Oak RidgeFlorida24,924
62Oshtemo charter townshipMichigan23,964
63OzarkMissouri23,909
64Oak HarborWashington23,610
65OakdaleCalifornia22,931
66Oxford charter townshipMichigan22,760
67Onondaga townNew York22,250
68OxfordAlabama22,069
69OxfordOhio21,868
70Old JamestownMissouri20,688
71Oakland charter townshipMichigan20,307
72Ogden townNew York20,076
73OregonOhio19,565
74Ocean SpringsMississippi19,375
75OrindaCalifornia19,264
76OnalaskaWisconsin19,118
77OrovilleCalifornia19,085
78OrangeTexas18,991
79OconomowocWisconsin18,973
80Owego townNew York18,898
81Oxon HillMaryland18,727
82OttawaIllinois18,691
83OlivehurstCalifornia18,356
84Ocean PointeHawaii18,126
85Oak GroveOregon17,762
86OswegoNew York17,093
87OneontaNew York16,852
88Orange CityFlorida16,412
89On Top WorldFlorida16,320
90OjusFlorida16,054
91Opa-lockaFlorida15,401
92OverlandMissouri15,216
93OpelousasLouisiana15,131
94OldsmarFlorida14,771
95Oceola townshipMichigan14,698
96OwossoMichigan14,505
97OrangeConnecticut14,474
98OzarkAlabama14,354
99Olympia HeightsFlorida13,908
100Oak ParkCalifornia13,581
101OxfordConnecticut13,483
102OleanNew York13,476
103OrangeburgSouth Carolina13,353
104Oxford townMassachusetts13,276
105OatfieldOregon12,988
106OverleaMaryland12,924
107Oakland boroughNew Jersey12,746
108OttawaKansas12,718
109Ocean PinesMaryland12,462
110Orono townMaine12,259
111OregonWisconsin11,980
112OntarioOregon11,949
113Oak HillsOregon11,892
114Oak GroveSouth Carolina11,658
115OaklandTennessee11,462
116OkmulgeeOklahoma11,433
117OskaloosaIowa11,388
118Ocean City cityNew Jersey11,130
119Old SaybrookConnecticut10,575
120Ontario townNew York10,490
121OakbrookKentucky10,297
122Oak IslandNorth Carolina10,143
123OneidaNew York9,945
124Old Orchard Beach townMaine9,501
125Orange CoveCalifornia9,398
126Oak GroveMissouri9,378
127Oak GroveMinnesota9,357
128OakwoodOhio9,253
129Oil CityPennsylvania9,230
130OrosiCalifornia9,182
131OgdenNorth Carolina9,182
132Ocean townshipNew Jersey9,111
133OthelloWashington9,093
134OxfordNorth Carolina9,089
135OlivetteMissouri9,066
136Orange ParkFlorida9,047
137Oak Hills PlaceLouisiana8,968
138OgdensburgNew York8,928
139Oronoko charter townshipMichigan8,910
140OrtingWashington8,892
141Orange BeachAlabama8,802
142O'Hara townshipPennsylvania8,781
143Old ForgePennsylvania8,696
144Oswego townNew York8,593
145Olmsted FallsOhio8,541
146Old JeffersonLouisiana8,458
147OrrvilleOhio8,396
148OlneyIllinois8,392
149Oradell boroughNew Jersey8,236
150Ocean ShoresWashington8,067
151OrlandCalifornia8,002
152Oak GroveKentucky7,996
153OronoMinnesota7,992
154Oak BrookIllinois7,979
155ObetzOhio7,935
156Oak RidgeNorth Carolina7,865
157Old LymeConnecticut7,714
158Oak HillWest Virginia7,639
159OlivarezTexas7,610
160OdessaFlorida7,606
161Oak HillsCalifornia7,578
162Oak PointTexas7,547
163Orange townMassachusetts7,536
164Oroville EastCalifornia7,480
165OakwoodGeorgia7,440
166Ohio townshipPennsylvania7,407
167Old Town cityMaine7,389
168OjaiCalifornia7,355
169OceanoCalifornia7,287
170Orchard MesaColorado7,257
171Oscoda charter townshipMichigan7,132
172OberlinOhio7,123
173Oak ViewCalifornia7,069
174OneontaAlabama7,031
175Ocean CityMaryland6,961
176Ontwa townshipMichigan6,836
177OrlovistaFlorida6,795
178OppAlabama6,763
179OntarioOhio6,647
180Old Tappan boroughNew Jersey6,550
181OakmontPennsylvania6,532
182Ormond-by-the-SeaFlorida6,484
183Orange CityIowa6,477
184Oakland townMaine6,413
185Orland HillsIllinois6,388
186OsceolaArkansas6,372
187Orleans townMassachusetts6,323
188Oceanport boroughNew Jersey6,306
189OakdaleLouisiana6,281
190Ocean CityFlorida6,248
191OspreyFlorida6,219
192Oxford townshipPennsylvania6,112
193Otsego townshipMichigan6,104
194Oakfield townshipMichigan6,072
195OxfordPennsylvania5,922
196Offutt AFBNebraska5,873
197OkeechobeeFlorida5,836
198Oregon townshipMichigan5,727
199OelweinIowa5,714
200OsceolaIowa5,664
201OdessaMissouri5,658
202OdenvilleAlabama5,618
203Otis Orchards-East FarmsWashington5,569
204OakhurstCalifornia5,547
205Olive townshipMichigan5,395
206OlyphantPennsylvania5,384
207OrangeVirginia5,333
208Orchard HomesMontana5,282
209Oak Bluffs townMassachusetts5,265
210Old WestburyNew York5,192
211Old Fig GardenCalifornia5,104
212OmakWashington5,099
213OrangetreeFlorida5,060
214OvillaTexas4,965
215Osage BeachMissouri4,962
216Oneonta townNew York4,901
217Old Lycoming townshipPennsylvania4,892
218Owosso charter townshipMichigan4,807
219Ottawa HillsOhio4,776
220Okauchee LakeWisconsin4,757
221OcontoWisconsin4,624
222Ossipee townNew Hampshire4,609
223Oak Park HeightsMinnesota4,569
224OgallalaNebraska4,553
225Old StineCalifornia4,515
226Oxford townMaine4,442
227Oak GroveTennessee4,421
228Olympia FieldsIllinois4,410
229OwegoNew York4,396
230OttawaOhio4,393
231Olive townNew York4,254
232OsawatomieKansas4,235
233Oak HillTennessee4,179
234OtsegoMichigan4,016
235Oswegatchie townNew York3,995
236Oaklyn boroughNew Jersey3,972
237Odessa townshipMichigan3,952
238Oneida charter townshipMichigan3,933
239Orrington townMaine3,922
240Oley townshipPennsylvania3,861
241OneidaTennessee3,830
242Ocala EstatesFlorida3,786
243OaklandFlorida3,689
244OzarkArkansas3,620
245OmroWisconsin3,601
246OglesbyIllinois3,599
247O'NeillNebraska3,577
248Orangeville townshipMichigan3,563
249Otsego townNew York3,553
250OrangeOhio3,541
251OregonIllinois3,532
252Oxford townNew York3,528
253One LoudounVirginia3,474
254OsageIowa3,471
255Oliver SpringsTennessee3,460
256OxfordMichigan3,424
257Owasco townNew York3,424
258OakwoodOhio3,421
259OssianIndiana3,413
260OrofinoIdaho3,367
261Oak Trail ShoresTexas3,341
262Orchard CityColorado3,317
263OnalaskaTexas3,317
264OhiovillePennsylvania3,270
265OdellOregon3,190
266Overisel townshipMichigan3,187
267OostburgWisconsin3,121
268Ocean ViewDelaware3,120
269Ontelaunee townshipPennsylvania3,115
270OronogoMissouri3,114
271Owens Cross RoadsAlabama3,107
272OakridgeOregon3,104
273Oakfield townNew York3,094
274OkemahOklahoma3,046
275OlneyTexas3,027
276OracleArizona3,011
277Orchard ParkNew York3,007
278OrwigsburgPennsylvania3,006
279Oconto FallsWisconsin3,006
280OasisCalifornia2,996
281Onondaga townshipMichigan2,986
282Otsego Lake townshipMichigan2,965
283OlgaFlorida2,953
284OsceolaWisconsin2,934
285Oak Ridge NorthTexas2,915
286Oaklawn-SunviewKansas2,911
287OwensvilleMissouri2,788
288Osage CityKansas2,787
289Oak HarborOhio2,785
290OnawaIowa2,756
291Ovid townNew York2,744
292Orleans townshipMichigan2,737
293Orleans townNew York2,732
294Oak GroveVirginia2,722
295Oakland townshipPennsylvania2,689
296Oakbrook TerraceIllinois2,653
297OssunLouisiana2,645
298Otego townNew York2,642
299OsceolaIndiana2,597
300OcillaGeorgia2,592
301Olive townshipMichigan2,539
302Oxford townshipNew Jersey2,480
303OkanoganWashington2,450
304OwingsMaryland2,433
305OsseoMinnesota2,419
306OkolonaMississippi2,402
307Otisco townNew York2,371
308OvertonTexas2,342
309OdemTexas2,328
310Ogdensburg boroughNew Jersey2,315
311Otisco townshipMichigan2,307
312Ontonagon townshipMichigan2,299
313Orchidlands EstatesHawaii2,296
314OxfordGeorgia2,288
315OakboroNorth Carolina2,280
316OliviaMinnesota2,250
317Oakland CityIndiana2,243
318Oyster Bay CoveNew York2,231
319Orland townMaine2,203
320Oak HillFlorida2,201
321Ovid townshipMichigan2,192
322Orchard Lake VillageMichigan2,189
323Olmos ParkTexas2,149
324Ovid townshipMichigan2,092
325Old BrookvilleNew York2,087
326OzonaTexas2,076
327OrdNebraska2,054
328Oliver townshipPennsylvania2,052
329OrleansIndiana2,047
330OcklawahaFlorida2,046
331Oakwood HillsIllinois2,043
332Oliver townshipPennsylvania2,033
333Ocean Gate boroughNew Jersey2,007
334Ocean ParkWashington1,989
335Old MiakkaFlorida1,972
336OakhurstOklahoma1,966
337OrtonvilleMinnesota1,965
338Oak GroveMississippi1,961
339OakleyKansas1,946
340Oldmans townshipNew Jersey1,942
341OgdenIowa1,933
342Oakham townMassachusetts1,930
343OlatheColorado1,926
344Otisfield townMaine1,904
345Orange BlossomCalifornia1,900
346OltonTexas1,890
347OrovilleWashington1,880
348Ocean RidgeFlorida1,849
349Osceola townshipMichigan1,837
350Olean townNew York1,810
351Oriole BeachFlorida1,809
352OaklandMaryland1,800
353OsseoWisconsin1,771
354OakfieldNew York1,765
355OronocoMinnesota1,761
356Oak LeafTexas1,759
357Oppenheim townNew York1,753
358OakesNorth Dakota1,749
359OsakisMinnesota1,742
360OsburnIdaho1,714
361OrionIllinois1,708
362OwentonKentucky1,657
363Ossineke townshipMichigan1,653
364Oil Creek townshipPennsylvania1,640
365Orchard Grass HillsKentucky1,625
366Oak RidgeTexas1,623
367OswegoKansas1,616
368OgdenKansas1,601
369OwingsvilleKentucky1,600
370Otis townMassachusetts1,599
371OsgoodIndiana1,598
372Ogunquit townMaine1,597
373OberlinKansas1,585
374OakleyUtah1,546
375OlympiaSouth Carolina1,533
376Olive HillKentucky1,522
377OaklandIowa1,515
378OrwellOhio1,506
379OrfordvilleWisconsin1,490
380OvidMichigan1,487
381OglalaSouth Dakota1,478
382Owls Head townMaine1,478
383Otto townshipPennsylvania1,454
384OmaoHawaii1,442
385Overfield townshipPennsylvania1,422
386OakdalePennsylvania1,394
387Oak HillOhio1,392
388Orange townNew York1,380
389OdonIndiana1,375
390Oliver townshipMichigan1,370
391OologahOklahoma1,361
392Old River-WinfreeTexas1,359
393OaklandMissouri1,356
394Onekama townshipMichigan1,355
395OaklandNebraska1,350
396OriskanyNew York1,347
397OceanaWest Virginia1,347
398OkawvilleIllinois1,341
399OwensvilleIndiana1,333
400Orange townshipMichigan1,331
401Oak GroveLouisiana1,329
402OblongIllinois1,327
403OmegaGeorgia1,320
404OxfordNew York1,318
405OrtonvilleMichigan1,317
406Oakland townshipPennsylvania1,315
407OlivetTennessee1,305
408OllaLouisiana1,297
409OntonagonMichigan1,294
410OsborneKansas1,289
411OberlinLouisiana1,289
412OrangevilleUtah1,284
413OstranderOhio1,262
414OakwoodIllinois1,258
415Orangeville townNew York1,256
416OnargaIllinois1,253
417Orwell townVermont1,252
418Orford townNew Hampshire1,235
419OlivetMichigan1,234
420Oyster CreekTexas1,233
421OhatcheeAlabama1,224
422Ore CityTexas1,215
423OranMissouri1,208
424OkarcheOklahoma1,198
425Orwell townshipPennsylvania1,193
426Orange GroveTexas1,183
427Ohkay OwingehNew Mexico1,180
428Orange townshipPennsylvania1,180
429Oak Grove HeightsArkansas1,177
430Ogemaw townshipMichigan1,171
431Ogden DunesIndiana1,167
432OxfordIndiana1,167
433OnancockVirginia1,150
434OsinoNevada1,136
435OoliticIndiana1,134
436OtterbeinIndiana1,121
437Orange townVermont1,094
438OrdwayColorado1,086
439Orwell townNew York1,080
440OskaloosaKansas1,068
441OakfieldWisconsin1,059
442OccoquanVirginia1,055
443Ocean Isle BeachNorth Carolina1,052
444OrebankTennessee1,052
445OccidentalCalifornia1,048
446OquawkaIllinois1,047
447OxfordKansas1,040
448Orange townshipMichigan1,030
449OwyheeNevada1,027
450OkeeneOklahoma1,025
451OrlindaTennessee1,023
452OlindaHawaii1,002

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 715,893.