Costco in USA has 482 stores in 431 Towns. Most of them are located in Phoenix (6 stores), San Diego (5 stores), Houston (3 stores), Las Vegas (3 stores) and Albuquerque (3 stores).
Costco MedfordCostco HolbrookCostco San Antonio2 storesCostco SalinasCostco West SpringfieldCostco SpringfieldCostco EnfieldCostco FlorenceCostco BrookfieldCostco WestminsterCostco PittsfieldCostco GlendaleCostco NorfolkCostco Richmond2 storesCostco GraftonCostco JacksonvilleCostco WilmingtonCostco WinchesterCostco Lancaster2 storesCostco SterlingCostco GreenvilleCostco Littleton2 storesCostco NashuaCostco ConcordCostco MilfordCostco BellinghamCostco BurlingtonCostco LexingtonCostco WalthamCostco Arlington2 storesCostco SalemCostco LawrenceCostco MiddletonCostco DanversCostco DanvilleCostco Everett2 storesCostco ManchesterCostco HanoverCostco DedhamCostco Avon2 storesCostco BrightonCostco BridgewaterCostco Rochester2 storesCostco CentervilleCostco WyomingCostco BrooklynCostco FremontCostco DurhamCostco WashingtonCostco UnionCostco NaplesCostco PortlandCostco LivermoreCostco WayneCostco AugustaCostco FairfieldCostco CharlestonCostco AuroraCostco WaterburyCostco ColchesterCostco CharlotteCostco FairfaxCostco AlbanyCostco Bakersfield2 storesCostco MontgomeryCostco GreensboroCostco BrandonCostco CastletonCostco BloomfieldCostco New BritainCostco ReddingCostco BillingsCostco Norwalk2 storesCostco Port ChesterCostco WoodbridgeCostco EdisonCostco Staten IslandCostco NewarkCostco CliftonCostco MontclairCostco East HanoverCostco BloomingdaleCostco New YorkCostco LodiCostco MaplewoodCostco North PlainfieldCostco Hawthorne2 storesCostco WhartonCostco NanuetCostco YonkersCostco HazletCostco OceanCostco LakewoodCostco BrickCostco MorganvilleCostco Mount LaurelCostco Columbus2 storesCostco FolsomCostco LeesburgCostco North BrunswickCostco StocktonCostco SuperiorCostco New RochelleCostco Long Island CityCostco Rego ParkCostco CoronaCostco WestburyCostco CommackCostco MelvilleCostco BrentwoodCostco NesconsetCostco RiverheadCostco HelenaCostco CamillusCostco MemphisCostco Phoenix6 storesCostco ClevelandCostco HendersonCostco New BerlinCostco PerrysburgCostco SheridanCostco West ValleyCostco Livonia2 storesCostco Atlanta3 storesCostco IrvineCostco AustinCostco KnoxvilleCostco CovingtonCostco PittsburghCostco Cranberry TownshipCostco Houston3 storesCostco SpringdaleCostco BellevueCostco TorranceCostco WoodlandCostco ParkerCostco RenoCostco NilesCostco AlexandriaCostco HarrisburgCostco FredericksburgCostco Sacramento2 storesCostco MarysvilleCostco AvondaleCostco LewisvilleCostco Gilbert2 storesCostco FrederickCostco SilverdaleCostco PottstownCostco WarminsterCostco North WalesCostco Glen MillsCostco ThorntonCostco King Of PrussiaCostco Saint PetersCostco ChantillyCostco WarrentonCostco ManassasCostco BrandywineCostco ElkridgeCostco LanhamCostco BeltsvilleCostco Glen BurnieCostco WheatonCostco GaithersburgCostco BaltimoreCostco CordovaCostco HillsboroCostco CharlottesvilleCostco HarrisonburgCostco Madison HeightsCostco MontebelloCostco Newport NewsCostco Glen AllenCostco SelmaCostco Saint CharlesCostco BaxterCostco IndependenceCostco RinggoldCostco MiamiCostco BurnsvilleCostco OrlandoCostco RaleighCostco Winston SalemCostco NashvilleCostco FriscoCostco SpartanburgCostco MatthewsCostco Myrtle BeachCostco MinneapolisCostco SanteeCostco Saint GeorgeCostco ClearwaterCostco ClarkstonCostco DuluthCostco AlpharettaCostco CummingCostco KennesawCostco BufordCostco MorrowCostco LouisvilleCostco CommerceCostco Lake ParkCostco SparksCostco TallahasseeCostco OmahaCostco CypressCostco Winter ParkCostco Altamonte SpringsCostco Miami LakesCostco DavieCostco North Miami BeachCostco Pembroke PinesCostco Pompano BeachCostco Boca RatonCostco DoralCostco Royal Palm BeachCostco LantanaCostco Fort Myers2 storesCostco SarasotaCostco HooverCostco WilsonvilleCostco HuntsvilleCostco DuncanvilleCostco MobileCostco AntiochCostco MurrayCostco New OrleansCostco GlenviewCostco CincinnatiCostco ChandlerCostco Fresno2 storesCostco Grand RapidsCostco ToledoCostco GypsumCostco Fort WayneCostco Roseville2 storesCostco StrongsvilleCostco BurbankCostco VancouverCostco EugeneCostco IndianapolisCostco MerrillvilleCostco Chicago2 storesCostco GrangerCostco Shelby TownshipCostco Auburn HillsCostco Commerce TownshipCostco PrescottCostco EurekaCostco Tustin2 storesCostco Carson CityCostco KalamazooCostco Foster CityCostco West Des MoinesCostco Garden GroveCostco Plano2 storesCostco OgdenCostco TracyCostco Hayward2 storesCostco Sioux FallsCostco CoralvilleCostco JuneauCostco PewaukeeCostco Menomonee FallsCostco Pleasant PrairieCostco FontanaCostco Sun PrairieCostco Maple GroveCostco Saint Louis ParkCostco Eden PrairieCostco West FargoCostco FullertonCostco ArvadaCostco BozemanCostco KalispellCostco MissoulaCostco Mount ProspectCostco SchaumburgCostco Lake ZurichCostco Lake In The HillsCostco MettawaCostco NapervilleCostco Melrose ParkCostco KirklandCostco Oak BrookCostco North RiversideCostco Bedford ParkCostco Orland ParkCostco BolingbrookCostco El PasoCostco East PeoriaCostco San Jose3 storesCostco AlhambraCostco ModestoCostco Mountain ViewCostco Kansas CityCostco Overland ParkCostco Spokane2 storesCostco LenexaCostco WichitaCostco Baton RougeCostco Fort Worth2 storesCostco SouthlakeCostco RockwallCostco SunnyvaleCostco ChicoCostco BendCostco CarlsbadCostco Sugar LandCostco PearlandCostco KatyCostco The WoodlandsCostco San Diego5 storesCostco San MarcosCostco Santa RosaCostco PharrCostco Santa MariaCostco Cedar ParkCostco ClovisCostco LubbockCostco La MesaCostco Colorado Springs2 storesCostco TimnathCostco MesaCostco PocatelloCostco BoiseCostco Twin FallsCostco NampaCostco LehiCostco OremCostco Salt Lake CityCostco South JordanCostco Spanish ForkCostco Santa ClaraCostco ScottsdaleCostco TempeCostco Tucson3 storesCostco El CentroCostco Las Vegas3 storesCostco Albuquerque3 storesCostco Santa CruzCostco Los AngelesCostco InglewoodCostco Marina Del ReyCostco Westlake VillageCostco Woodland HillsCostco Laguna Niguel2 storesCostco Huntington BeachCostco San Juan CapistranoCostco City Of IndustryCostco La HabraCostco Signal HillCostco AzusaCostco PacoimaCostco Simi ValleyCostco NorthridgeCostco Santa ClaritaCostco Van NuysCostco Rancho CucamongaCostco San DimasCostco Chino HillsCostco Yorba LindaCostco Chula Vista2 storesCostco VistaCostco La QuintaCostco Palm DesertCostco TemeculaCostco PowayCostco Moreno ValleyCostco VictorvilleCostco San BernardinoCostco Lake ElsinoreCostco Fountain ValleyCostco OxnardCostco GoletaCostco VisaliaCostco San Luis ObispoCostco MercedCostco TurlockCostco Sand CityCostco Redwood CityCostco San FranciscoCostco South San Francisco2 storesCostco San LeandroCostco VallejoCostco VacavilleCostco NovatoCostco Rohnert ParkCostco GilroyCostco MantecaCostco Rancho CordovaCostco Citrus HeightsCostco HonoluluCostco WaipahuCostco LihueCostco KapoleiCostco Kailua KonaCostco KahuluiCostco TigardCostco ClackamasCostco AlohaCostco CamasCostco RoseburgCostco KennewickCostco Federal WayCostco FifeCostco SeattleCostco IssaquahCostco WoodinvilleCostco Lynnwood2 storesCostco TukwilaCostco Gig HarborCostco ShorelineCostco TacomaCostco PuyallupCostco SequimCostco LaceyCostco TumwaterCostco East WenatcheeCostco Union GapCostco Anchorage2 storesCostco St. LouisCostco TeterboroCostco Coeur D'AleneCostco GRAND CHUTECostco Honolulu (Oahu)Costco Stafford TownshipCostco West BountifulCostco West HomesteadCostco South Austin