Population of St. Charles County, Missouri (County)

Map of Population by County Subdivision in St. Charles County

Population Density Population by County Subdivision#1

Population per square mile of land (excluding water areas):
100/mi²1,000/mi²1,800/mi²2,700/mi²3,500/mi²4,400/mi²

Population Population by County Subdivision#2

Total population:
18k25k31k37k43k49k
Road Data ©OpenStreetMap

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Map of Population by Tract in St. Charles County

Population Density Population by Tract#3

Population per square mile of land (excluding water areas):
0/mi²1,300/mi²2,600/mi²4,000/mi²5,300/mi²6,700/mi²

Population Population by Tract#4

Total population:
01,9003,9005,8007,8009,700
Road Data ©OpenStreetMap

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Map of Population by Block Group in St. Charles County

Population Density Population by Block Group#5

Population per square mile of land (excluding water areas):
0/mi²2,900/mi²5,800/mi²8,700/mi²11,500/mi²14,500/mi²

Population Population by Block Group#6

Total population:
01,9003,9005,8007,8009,700
Road Data ©OpenStreetMap

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Population by Place in St. Charles County

There are 18 places that are fully or partially contained within St. Charles County (17 fully and 1 partially). This section compares all 18 of those to each other.

Total Population by Place#7

Scope: population of selected places in St. Charles County
0k20k40k60k80k#O'FallonSt. CharlesSt. PetersWentzvilleLake St. LouisLk St. LouisDardenne PrairieWeldon SpringCottlevilleSt. PaulForistellFlint HillNew MelleWest AltonJosephvillePortage Des SiouxAugustaDefianceWeldon Spring HeightsWeldon Spg Hts84,018.00000084,018.00000084.02k168,341.00000068,341.00000068.34k255,820.00000055,820.00000055.82k334,176.00000034,176.00000034.18k415,150.00000015,150.00000015.15k512,692.00000012,692.00000012.69k65,545.0000005,545.0000005.55k74,205.0000004,205.0000004.21k82,053.0000002,053.0000002.05k9624.000000624.0000000.62k10538.000000538.0000000.54k11496.000000496.0000000.50k12467.000000467.0000000.47k13424.000000424.0000000.42k14367.000000367.0000000.37k15276.000000276.0000000.28k16144.000000144.0000000.14k17109.000000109.0000000.11k18
# rank of place out of 18 by population

Population Density by Place#8

People per square mile (excluding waters).
Scope: population of selected places in St. Charles County
05001,0001,5002,0002,500#St. CharlesO'FallonSt. PetersDardenne PrairieLake St. LouisLk St. LouisWentzvilleWeldon Spring HeightsWeldon Spg HtsCottlevilleWeldon SpringPortage Des SiouxAugustaSt. PaulNew MelleFlint HillJosephvilleDefianceForistellWest Alton2,839.2775152,839.2775152,83912,829.1660902,829.1660902,82922,489.6427512,489.6427512,49032,456.5628012,456.5628012,45741,858.8417321,858.8417321,85951,700.4264841,700.4264841,70061,225.8941151,225.8941151,2267898.083382898.0833828988726.065131726.0651317269698.701161698.70116169910300.720767300.72076730111285.329911285.32991128512284.587723284.58772328513219.035981219.03598121914167.605378167.60537816815141.603237141.60323714216108.532901108.5329011091716.22044616.2204461618
# rank of place out of 18 by population density

Population by County Subdivision in St. Charles County

There are 14 county subdivisions in St. Charles County. This section compares all 14 of those to each other.

Total Population by County Subdivision#9

Scope: population of selected county subdivisions in St. Charles County
0k10k20k30k40k#Boone TownshipBooneWentzville TownshipWentzvilleLake St. Louis TownshipLk St. LouisO'Fallon TownshipO'FallonFrontier TownshipFrontierWeldon Spring TownshipWeldon SpgDardenne TownshipDardenneCottleville TownshipCottlevilleRivers TownshipRiversLindenwood TownshipLindenwoodHarvester TownshipHarvesterSpencer Creek TownshipSpencer CrkZumbehl TownshipZumbehlSt. Peters TownshipSt. Peters48,446.00000048,446.00000048.45k144,345.00000044,345.00000044.35k228,986.00000028,986.00000028.99k328,367.00000028,367.00000028.37k426,793.00000026,793.00000026.79k526,673.00000026,673.00000026.67k626,556.00000026,556.00000026.56k724,170.00000024,170.00000024.17k823,299.00000023,299.00000023.30k921,632.00000021,632.00000021.63k1021,009.00000021,009.00000021.01k1120,374.00000020,374.00000020.37k1220,356.00000020,356.00000020.36k1318,850.00000018,850.00000018.85k14
# rank of county subdivision out of 14 by population

Population Density by County Subdivision#10

People per square mile (excluding waters).
Scope: population of selected county subdivisions in St. Charles County
0k1k2k3k4k#St. Peters TownshipSt. PetersLindenwood TownshipLindenwoodFrontier TownshipFrontierSpencer Creek TownshipSpencer CrkZumbehl TownshipZumbehlWeldon Spring TownshipWeldon SpgDardenne TownshipDardenneLake St. Louis TownshipLk St. LouisO'Fallon TownshipO'FallonHarvester TownshipHarvesterCottleville TownshipCottlevilleWentzville TownshipWentzvilleBoone TownshipBooneRivers TownshipRivers4,349.0757284,349.0757284.35k13,916.6879283,916.6879283.92k23,570.1464933,570.1464933.57k33,385.2980353,385.2980353.39k43,069.4312873,069.4312873.07k53,001.9804053,001.9804053.00k62,702.8676432,702.8676432.70k72,689.3397582,689.3397582.69k82,606.3944202,606.3944202.61k91,701.6404921,701.6404921.70k101,322.9708101,322.9708101.32k11534.373688534.3736880.53k12237.069903237.0699030.24k13135.391342135.3913420.14k14
# rank of county subdivision out of 14 by population density

Population by County in the St. Louis Area

There are 15 counties in the St. Louis Area. This section compares St. Charles County to all of the counties in the St. Louis Area.

Total Population by County#11

Scope: population of St. Charles County and selected other counties in the St. Louis Area
0k200k400k600k800k1,000k#St. Louis CountySt. LouisSt. Charles CountySt. CharlesSt. Louis CitySt. LouisMadison CountyMadisonSt. Clair CountySt. ClairJefferson CountyJeffersonFranklin CountyFranklinLincoln CountyLincolnMacoupin CountyMacoupinClinton CountyClintonMonroe CountyMonroeWarren CountyWarrenJersey CountyJerseyBond CountyBondCalhoun CountyCalhoun1,000,560.0000001,000,560.0000001,000.56k1379,856.000000379,856.000000379.86k2316,030.000000316,030.000000316.03k3266,759.000000266,759.000000266.76k4265,569.000000265,569.000000265.57k5222,453.000000222,453.000000222.45k6102,063.000000102,063.000000102.06k754,286.00000054,286.00000054.29k846,482.00000046,482.00000046.48k937,858.00000037,858.00000037.86k1033,703.00000033,703.00000033.70k1133,290.00000033,290.00000033.29k1222,441.00000022,441.00000022.44k1317,137.00000017,137.00000017.14k144,962.0000004,962.0000004.96k15
# rank of county out of 15 by population

Population Density by County#12

People per square mile (excluding waters).
Scope: population of St. Charles County and selected other counties in the St. Louis Area
0k1k2k3k4k5k#St. Louis CitySt. LouisSt. Louis CountySt. LouisSt. Charles CountySt. CharlesSt. Clair CountySt. ClairMadison CountyMadisonJefferson CountyJeffersonFranklin CountyFranklinMonroe CountyMonroeLincoln CountyLincolnClinton CountyClintonWarren CountyWarrenJersey CountyJerseyMacoupin CountyMacoupinBond CountyBondCalhoun CountyCalhoun5,101.1088145,101.1088145.10k11,970.4926601,970.4926601.97k2677.800364677.8003640.68k3403.735929403.7359290.40k4372.706997372.7069970.37k5338.768186338.7681860.34k6110.615597110.6155970.11k787.53644087.5364400.09k886.64168286.6416820.09k979.85490479.8549040.08k1077.67137377.6713730.08k1160.76946060.7694600.06k1253.86601353.8660130.05k1345.06425645.0642560.05k1419.54892619.5489260.02k15
# rank of county out of 15 by population density

Population by County in Missouri

There are 115 counties in Missouri. This section compares St. Charles County to the 50 most populous counties in Missouri. The least populous of the compared counties has a population of 22,921.

Total Population by County#13

Scope: population of St. Charles County and selected other counties in Missouri
0k200k400k600k800k1,000k#St. Louis CountySt. LouisJackson CountyJacksonSt. Charles CountySt. CharlesSt. Louis CitySt. LouisGreene CountyGreeneClay CountyClayJefferson CountyJeffersonBoone CountyBooneJasper CountyJasperFranklin CountyFranklinCass CountyCassPlatte CountyPlatteBuchanan CountyBuchananChristian CountyChristianCape Girardeau CountyCape GirardeauCole CountyColeSt. Francois CountySt. FrancoisNewton CountyNewtonLincoln CountyLincolnJohnson CountyJohnsonTaney CountyTaneyPulaski CountyPulaskiPhelps CountyPhelpsCallaway CountyCallawayCamden CountyCamdenButler CountyButlerPettis CountyPettisHowell CountyHowellScott CountyScottLawrence CountyLawrenceWebster CountyWebsterBarry CountyBarryLaclede CountyLacledeWarren CountyWarrenLafayette CountyLafayetteDunklin CountyDunklinStone CountyStonePolk CountyPolkStoddard CountyStoddardMarion CountyMarionAudrain CountyAudrainTexas CountyTexasAdair CountyAdairRandolph CountyRandolphMiller CountyMillerWashington CountyWashingtonCrawford CountyCrawfordSaline CountySalineNodaway CountyNodawayRay CountyRay1,000,560.0000001,000,560.0000001,000.56k1683,643.000000683,643.000000683.64k2379,856.000000379,856.000000379.86k3316,030.000000316,030.000000316.03k4285,449.000000285,449.000000285.45k5233,135.000000233,135.000000233.14k6222,453.000000222,453.000000222.45k7172,773.000000172,773.000000172.77k8117,376.000000117,376.000000117.38k9102,063.000000102,063.000000102.06k10101,324.000000101,324.000000101.32k1194,970.00000094,970.00000094.97k1289,415.00000089,415.00000089.42k1382,053.00000082,053.00000082.05k1478,089.00000078,089.00000078.09k1576,603.00000076,603.00000076.60k1666,230.00000066,230.00000066.23k1758,741.00000058,741.00000058.74k1854,286.00000054,286.00000054.29k1954,229.00000054,229.00000054.23k2053,853.00000053,853.00000053.85k2153,302.00000053,302.00000053.30k2244,833.00000044,833.00000044.83k2344,693.00000044,693.00000044.69k2444,152.00000044,152.00000044.15k2542,887.00000042,887.00000042.89k2642,193.00000042,193.00000042.19k2740,265.00000040,265.00000040.27k2838,994.00000038,994.00000038.99k2938,204.00000038,204.00000038.20k3037,075.00000037,075.00000037.08k3135,716.00000035,716.00000035.72k3235,505.00000035,505.00000035.51k3333,290.00000033,290.00000033.29k3432,789.00000032,789.00000032.79k3531,271.00000031,271.00000031.27k3631,197.00000031,197.00000031.20k3731,113.00000031,113.00000031.11k3829,788.00000029,788.00000029.79k3928,858.00000028,858.00000028.86k4025,868.00000025,868.00000025.87k4125,690.00000025,690.00000025.69k4225,547.00000025,547.00000025.55k4325,081.00000025,081.00000025.08k4425,011.00000025,011.00000025.01k4525,002.00000025,002.00000025.00k4624,545.00000024,545.00000024.55k4723,214.00000023,214.00000023.21k4823,026.00000023,026.00000023.03k4922,921.00000022,921.00000022.92k50
# rank of county out of 50 by population

Population Density by County#14

People per square mile (excluding waters).
Scope: population of St. Charles County and selected other counties in Missouri
0k1k2k3k4k5k#St. Louis CitySt. LouisSt. Louis CountySt. LouisJackson CountyJacksonSt. Charles CountySt. CharlesClay CountyClayGreene CountyGreeneJefferson CountyJeffersonBoone CountyBoonePlatte CountyPlatteBuchanan CountyBuchananCole CountyColeJasper CountyJasperSt. Francois CountySt. FrancoisChristian CountyChristianCass CountyCassCape Girardeau CountyCape GirardeauFranklin CountyFranklinPulaski CountyPulaskiNewton CountyNewtonScott CountyScottLincoln CountyLincolnTaney CountyTaneyWarren CountyWarrenCamden CountyCamdenStone CountyStonePhelps CountyPhelpsMarion CountyMarionJohnson CountyJohnsonWebster CountyWebsterLawrence CountyLawrencePettis CountyPettisButler CountyButlerDunklin CountyDunklinCallaway CountyCallawayLafayette CountyLafayetteRandolph CountyRandolphPolk CountyPolkLaclede CountyLacledeBarry CountyBarryAdair CountyAdairHowell CountyHowellMiller CountyMillerRay CountyRayAudrain CountyAudrainStoddard CountyStoddardCrawford CountyCrawfordWashington CountyWashingtonSaline CountySalineNodaway CountyNodawayTexas CountyTexas5,101.1088145,101.1088145.10k11,970.4926601,970.4926601.97k21,130.7877871,130.7877871.13k3677.800364677.8003640.68k4586.297599586.2975990.59k5422.687357422.6873570.42k6338.768186338.7681860.34k7252.018954252.0189540.25k8226.013574226.0135740.23k9219.140530219.1405300.22k10195.659015195.6590150.20k11183.836793183.8367930.18k12146.556244146.5562440.15k13145.834434145.8344340.15k14145.458606145.4586060.15k15134.977186134.9771860.13k16110.615597110.6155970.11k1797.42623897.4262380.10k1894.02267594.0226750.09k1992.84536192.8453610.09k2086.64168286.6416820.09k2185.15115085.1511500.09k2277.67137377.6713730.08k2367.30501567.3050150.07k2467.22968067.2296800.07k2566.73777466.7377740.07k2666.04812866.0481280.07k2765.39262165.3926210.07k2862.56722162.5672210.06k2962.45168662.4516860.06k3061.84634061.8463400.06k3161.73729761.7372970.06k3257.79455657.7945560.06k3353.55163053.5516300.05k3452.17560452.1756040.05k3551.95853651.9585360.05k3648.95626248.9562620.05k3746.42848146.4284810.05k3845.89268645.8926860.05k3945.03071745.0307170.05k4043.42417943.4241790.04k4142.20591242.2059120.04k4240.29670140.2967010.04k4337.36881737.3688170.04k4436.18482336.1848230.04k4533.05650933.0565090.03k4632.90296432.9029640.03k4730.72697030.7269700.03k4826.25649126.2564910.03k4921.82174921.8217490.02k50
# rank of county out of 50 by population density

Population by County in the United States

There are 3,142 counties in the United States. This section compares St. Charles County to the 50 most populous counties in the United States. The least populous of the compared counties has a population of 941,618.

Total Population by County#15

Scope: population of St. Charles County and selected other counties in the United States
0M2M4M6M8M10M#Los Angeles CountyLos AngelesCook CountyCookHarris CountyHarrisMaricopa CountyMaricopaSan Diego CountySan DiegoOrange CountyOrangeMiami-Dade CountyMiami-DadeKings CountyKingsDallas CountyDallasRiverside CountyRiversideQueens CountyQueensSan Bernardino CountySan BernardinoKing CountyKingClark CountyClarkTarrant CountyTarrantSanta Clara CountySanta ClaraBroward CountyBrowardBexar CountyBexarWayne CountyWayneNew York CountyNew YorkAlameda CountyAlamedaMiddlesex CountyMiddlesexPhiladelphia CountyPhiladelphiaSuffolk CountySuffolkSacramento CountySacramentoBronx CountyBronxPalm Beach CountyPalm BeachNassau CountyNassauHillsborough CountyHillsboroughCuyahoga CountyCuyahogaOrange CountyOrangeOakland CountyOaklandFranklin CountyFranklinAllegheny CountyAlleghenyHennepin CountyHennepinTravis CountyTravisFairfax CountyFairfaxContra Costa CountyContra CostaSalt Lake CountySalt LakeMontgomery CountyMontgomeryMecklenburg CountyMecklenburgPima CountyPimaSt. Louis CountySt. LouisWake CountyWakeFulton CountyFultonHonolulu CountyHonoluluWestchester CountyWestchesterFresno CountyFresnoMilwaukee CountyMilwaukeeFairfield CountyFairfieldSt. Charles CountySt. Charles10,057,155.00000010,057,155.00000010.06M15,227,575.0000005,227,575.0000005.23M24,434,257.0000004,434,257.0000004.43M34,088,549.0000004,088,549.0000004.09M43,253,356.0000003,253,356.0000003.25M53,132,211.0000003,132,211.0000003.13M62,664,418.0000002,664,418.0000002.66M72,606,852.0000002,606,852.0000002.61M82,513,054.0000002,513,054.0000002.51M92,323,892.0000002,323,892.0000002.32M102,310,011.0000002,310,011.0000002.31M112,106,754.0000002,106,754.0000002.11M122,079,550.0000002,079,550.0000002.08M132,070,153.0000002,070,153.0000002.07M141,947,529.0000001,947,529.0000001.95M151,885,056.0000001,885,056.0000001.89M161,863,780.0000001,863,780.0000001.86M171,858,699.0000001,858,699.0000001.86M181,767,593.0000001,767,593.0000001.77M191,634,989.0000001,634,989.0000001.63M201,605,217.0000001,605,217.0000001.61M211,567,610.0000001,567,610.0000001.57M221,559,938.0000001,559,938.0000001.56M231,498,130.0000001,498,130.0000001.50M241,479,300.0000001,479,300.0000001.48M251,436,785.0000001,436,785.0000001.44M261,398,757.0000001,398,757.0000001.40M271,356,801.0000001,356,801.0000001.36M281,323,059.0000001,323,059.0000001.32M291,258,710.0000001,258,710.0000001.26M301,256,055.0000001,256,055.0000001.26M311,235,215.0000001,235,215.0000001.24M321,232,118.0000001,232,118.0000001.23M331,230,360.0000001,230,360.0000001.23M341,209,265.0000001,209,265.0000001.21M351,148,176.0000001,148,176.0000001.15M361,132,887.0000001,132,887.0000001.13M371,107,925.0000001,107,925.0000001.11M381,092,518.0000001,092,518.0000001.09M391,026,371.0000001,026,371.0000001.03M401,011,774.0000001,011,774.0000001.01M411,003,338.0000001,003,338.0000001.00M421,000,560.0000001,000,560.0000001.00M43998,576.000000998,576.0000001.00M44996,757.000000996,757.0000001.00M45986,999.000000986,999.0000000.99M46969,229.000000969,229.0000000.97M47963,160.000000963,160.0000000.96M48955,306.000000955,306.0000000.96M49941,618.000000941,618.0000000.94M50379,856.000000379,856.0000000.38M
# rank of county out of 50 by population

Population Density by County#16

People per square mile (excluding waters).
Scope: population of St. Charles County and selected other counties in the United States
0k10k20k30k40k50k60k70k#New York CountyNew YorkKings CountyKingsBronx CountyBronxQueens CountyQueensPhiladelphia CountyPhiladelphiaCook CountyCookNassau CountyNassauOrange CountyOrangeMilwaukee CountyMilwaukeeFairfax CountyFairfaxWayne CountyWayneDallas CountyDallasCuyahoga CountyCuyahogaHarris CountyHarrisLos Angeles CountyLos AngelesFranklin CountyFranklinTarrant CountyTarrantWestchester CountyWestchesterHennepin CountyHennepinAlameda CountyAlamedaMontgomery CountyMontgomerySt. Louis CountySt. LouisMecklenburg CountyMecklenburgMiddlesex CountyMiddlesexFulton CountyFultonAllegheny CountyAlleghenyHonolulu CountyHonoluluSuffolk CountySuffolkBroward CountyBrowardSacramento CountySacramentoContra Costa CountyContra CostaFairfield CountyFairfieldBexar CountyBexarSalt Lake CountySalt LakeSanta Clara CountySanta ClaraOakland CountyOaklandMiami-Dade CountyMiami-DadeOrange CountyOrangeHillsborough CountyHillsboroughWake CountyWakeTravis CountyTravisKing CountyKingSan Diego CountySan DiegoPalm Beach CountyPalm BeachSt. Charles CountySt. CharlesMaricopa CountyMaricopaRiverside CountyRiversideClark CountyClarkFresno CountyFresnoPima CountyPimaSan Bernardino CountySan Bernardino72,167.60597972,167.60597972.17k137,340.67621837,340.67621837.34k234,167.96880134,167.96880134.17k321,237.94747821,237.94747821.24k411,625.88366911,625.88366911.63k55,531.8762675,531.8762675.53k64,763.9163794,763.9163794.76k73,961.7034453,961.7034453.96k83,953.6841943,953.6841943.95k92,898.4456972,898.4456972.90k102,888.1522602,888.1522602.89k112,878.4220552,878.4220552.88k122,753.3818582,753.3818582.75k132,600.9540812,600.9540812.60k142,478.2396272,478.2396272.48k152,314.3614822,314.3614822.31k162,254.9978792,254.9978792.25k172,251.3192932,251.3192932.25k182,184.2050692,184.2050692.18k192,171.8733742,171.8733742.17k202,081.8544912,081.8544912.08k211,970.4926601,970.4926601.97k221,932.3437311,932.3437311.93k231,917.0752881,917.0752881.92k241,892.4081641,892.4081641.89k251,685.2478291,685.2478291.69k261,643.3391511,643.3391511.64k271,643.1276081,643.1276081.64k281,544.1986571,544.1986571.54k291,533.0483871,533.0483871.53k301,532.9159351,532.9159351.53k311,506.6615071,506.6615071.51k321,499.0984171,499.0984171.50k331,472.2923611,472.2923611.47k341,459.9180661,459.9180661.46k351,423.9503141,423.9503141.42k361,403.3126861,403.3126861.40k371,390.4953151,390.4953151.39k381,296.7175361,296.7175361.30k391,196.1706231,196.1706231.20k401,157.6775431,157.6775431.16k41982.963629982.9636290.98k42773.385727773.3857270.77k43710.067520710.0675200.71k44677.800364677.8003640.68k444.446561444.4465610.44k45322.481032322.4810320.32k46262.321925262.3219250.26k47161.637031161.6370310.16k48109.210256109.2102560.11k49105.036867105.0368670.11k50
# rank of county out of 50 by population density

Definitions

This page reports on the population distribution in St. Charles County, both in terms of raw head counts, and in terms of population density per square mile.

  • Population: count of all residents of the given entity at the time of the survey, excluding visitors
  • Population Density: population divided by the total land area of the entity (i.e., excluding water areas contained in the entity)

For additional information about the data presented on this site, including our sources, please see the About Page.

More Topics to Explore

Demographics

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Principal City:
St. Charles
Cities:
Cottleville, Dardenne Prairie, Flint Hill, Foristell, Lake St. Louis, New Melle, O'Fallon, Portage Des Sioux, St. Charles, St. Paul, St. Peters, Weldon Spring, Wentzville, West Alton
Towns:
Augusta, Weldon Spring Heights
Townships:
Boone, Cottleville, Dardenne, Frontier, Harvester, Lake St. Louis, Lindenwood, O'Fallon, Rivers, Spencer Creek, St. Peters, Weldon Spring, Wentzville, Zumbehl
Unincorporated Places:
Defiance
Villages:
Josephville
ZIP Codes:
63301, 63303, 63304, 63332, 63341, 63348, 63357, 63366, 63367, 63368, 63373, 63376, 63385, 63386
Unified School Districts:
Fort Zumwalt R-II, Francis Howell R-III, Orchard Farm R-V, St. Charles R-VI, Washington, Wentzville R-IV
Congressional Districts:
MO-2, MO-3
State Senate Districts:
MO-2, MO-23
State House Districts:
MO-42, MO-63, MO-64, MO-65, MO-70, MO-102, MO-103, MO-104, MO-105, MO-106, MO-107, MO-108
Neighboring Counties:
Calhoun, Franklin, Jersey, Lincoln, Madison, St. Louis, Warren
Nearby Cities:
St. Louis
Nearby Counties:
Gasconade, Greene, Jefferson, Macoupin, Monroe, Montgomery, Pike, St. Clair, Washington