The graph below ranks each Missouri County by total residents according to the 2006 census estimates.

Missouri total population by county

CountyTotal Population
St. LouisSt. Louis County total population - 1,000,5101,000,510  
JacksonJackson County total population - 664,078664,078
St. Louis citySt. Louis city County total population - 347,181347,181
St. CharlesSt. Charles County total population - 338,719338,719
GreeneGreene County total population - 254,779254,779
JeffersonJefferson County total population - 216,469216,469
ClayClay County total population - 206,957206,957
BooneBoone County total population - 146,048146,048
JasperJasper County total population - 112,505112,505
FranklinFranklin County total population - 100,067100,067
CassCass County total population - 95,78195,781
BuchananBuchanan County total population - 84,95584,955
PlattePlatte County total population - 83,06183,061
ColeCole County total population - 73,29673,296
Cape GirardeauCape Girardeau County total population - 71,89271,892
ChristianChristian County total population - 70,51470,514
St. FrancoisSt. Francois County total population - 62,18162,181
NewtonNewton County total population - 56,04756,047
JohnsonJohnson County total population - 50,64650,646
LincolnLincoln County total population - 50,12350,123
PulaskiPulaski County total population - 44,02244,022
TaneyTaney County total population - 43,77043,770
CallawayCallaway County total population - 43,07243,072
PhelpsPhelps County total population - 42,28942,289
ButlerButler County total population - 41,58241,582
ScottScott County total population - 41,06841,068
PettisPettis County total population - 40,52040,520
CamdenCamden County total population - 40,28340,283
HowellHowell County total population - 38,73438,734
LawrenceLawrence County total population - 37,40037,400
BarryBarry County total population - 36,40436,404
WebsterWebster County total population - 35,50735,507
LacledeLaclede County total population - 35,09135,091
LafayetteLafayette County total population - 33,18633,186
DunklinDunklin County total population - 32,27732,277
StoneStone County total population - 31,38231,382
StoddardStoddard County total population - 29,75429,754
WarrenWarren County total population - 29,68529,685
PolkPolk County total population - 29,59629,596
MarionMarion County total population - 28,42528,425
AudrainAudrain County total population - 25,73925,739
RandolphRandolph County total population - 25,43825,438
MillerMiller County total population - 24,98924,989
AdairAdair County total population - 24,46124,461
WashingtonWashington County total population - 24,18224,182
CrawfordCrawford County total population - 24,00924,009
RayRay County total population - 23,99923,999
TexasTexas County total population - 23,56623,566
McDonaldMcDonald County total population - 22,94922,949
SalineSaline County total population - 22,89622,896
HenryHenry County total population - 22,71922,719
NodawayNodaway County total population - 21,66021,660
MorganMorgan County total population - 20,71620,716
ClintonClinton County total population - 20,67120,671
VernonVernon County total population - 20,45520,455
PemiscotPemiscot County total population - 19,16319,163
BentonBenton County total population - 18,72818,728
PerryPerry County total population - 18,63918,639
PikePike County total population - 18,56618,566
WrightWright County total population - 18,39718,397
New MadridNew Madrid County total population - 18,31418,314
Ste. GenevieveSte. Genevieve County total population - 18,24818,248
CooperCooper County total population - 17,44117,441
AndrewAndrew County total population - 17,17717,177
BatesBates County total population - 17,11617,116
DallasDallas County total population - 16,69616,696
MaconMacon County total population - 15,65115,651
GasconadeGasconade County total population - 15,63415,634
DentDent County total population - 15,27615,276
MoniteauMoniteau County total population - 15,09215,092
LivingstonLivingston County total population - 14,29114,291
CedarCedar County total population - 13,99813,998
RipleyRipley County total population - 13,93713,937
MississippiMississippi County total population - 13,77013,770
DouglasDouglas County total population - 13,65813,658
OsageOsage County total population - 13,49813,498
BartonBarton County total population - 13,01513,015
WayneWayne County total population - 12,99712,997
LinnLinn County total population - 12,86512,865
BollingerBollinger County total population - 12,32312,323
DeKalbDeKalb County total population - 12,30912,309
MontgomeryMontgomery County total population - 12,17012,170
MadisonMadison County total population - 12,10912,109
OregonOregon County total population - 10,40710,407
IronIron County total population - 10,27910,279
GrundyGrundy County total population - 10,23910,239
LewisLewis County total population - 10,15210,152
CarrollCarroll County total population - 10,05810,058
HowardHoward County total population - 9,9499,949
RallsRalls County total population - 9,9259,925
St. ClairSt. Clair County total population - 9,5899,589
MonroeMonroe County total population - 9,3969,396
OzarkOzark County total population - 9,3939,393
CaldwellCaldwell County total population - 9,3139,313
HickoryHickory County total population - 9,2439,243
MariesMaries County total population - 9,0999,099
HarrisonHarrison County total population - 8,8988,898
ShannonShannon County total population - 8,5038,503
DaviessDaviess County total population - 8,0728,072
CharitonChariton County total population - 8,0468,046
DadeDade County total population - 7,8047,804
ClarkClark County total population - 7,3057,305
SullivanSullivan County total population - 6,7856,785
ShelbyShelby County total population - 6,6456,645
ReynoldsReynolds County total population - 6,5476,547
GentryGentry County total population - 6,3896,389
AtchisonAtchison County total population - 6,1326,132
CarterCarter County total population - 5,9565,956
PutnamPutnam County total population - 5,1535,153
HoltHolt County total population - 4,9974,997
ScotlandScotland County total population - 4,9224,922
SchuylerSchuyler County total population - 4,2714,271
KnoxKnox County total population - 4,0934,093
MercerMercer County total population - 3,5843,584
WorthWorth County total population - 2,1862,186

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Missouri population comparison tables
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Asian:
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American Indian:
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Hawaiian & Pacific Islander:
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