Missouri
Postal abbreviation MO. 1,157 ZIP codes across 115 counties.
| Population | 6,191,814 |
|---|---|
| Postal abbreviation | MO |
| ZIP codes | 1,157 ZIP codes → |
| Area codes | 235314417557573636660816975 |
| Time zone | Central |
| Counties | 115 |
Largest cities by population
Kansas City · 510,612Springfield · 169,954Columbia · 128,548Independence · 121,740Blue Springs · 59,965Joplin · 52,593Florissant · 51,773Chesterfield · 49,574Wentzville · 47,061Jefferson City · 42,488Cape Girardeau · 40,344Ballwin · 31,279Liberty · 30,689Maryland Heights · 27,880Grandview · 26,527Hazelwood · 25,114Belton · 25,008Nixa · 24,836Raymore · 24,526Ozark · 22,417Sedalia · 22,003Arnold · 20,956Rolla · 20,287Republic · 19,829Warrensburg · 19,582Farmington · 18,282Kirksville · 17,563Hannibal · 16,771Sikeston · 16,320Grain Valley · 16,271
Largest counties by population
St. Louis County · 995,569Jackson County · 719,976St. Charles County · 414,535Greene County · 303,375St. Louis city · 288,512Clay County · 258,122Jefferson County · 229,458Boone County · 188,043Jasper County · 124,357Cass County · 110,773
Counties in Missouri
Adair CountyAndrew CountyAtchison CountyAudrain CountyBarry CountyBarton CountyBates CountyBenton CountyBollinger CountyBoone CountyBuchanan CountyButler CountyCaldwell CountyCallaway CountyCamden CountyCape Girardeau CountyCarroll CountyCarter CountyCass CountyCedar CountyChariton CountyChristian CountyClark CountyClay CountyClinton CountyCole CountyCooper CountyCrawford CountyDade CountyDallas CountyDaviess CountyDeKalb CountyDent CountyDouglas CountyDunklin CountyFranklin CountyGasconade CountyGentry CountyGreene CountyGrundy CountyHarrison CountyHenry CountyHickory CountyHolt CountyHoward CountyHowell CountyIron CountyJackson CountyJasper CountyJefferson CountyJohnson CountyKnox CountyLaclede CountyLafayette CountyLawrence CountyLewis CountyLincoln CountyLinn CountyLivingston CountyMacon CountyMadison CountyMaries CountyMarion CountyMcDonald CountyMercer CountyMiller CountyMississippi CountyMoniteau CountyMonroe CountyMontgomery CountyMorgan CountyNew Madrid CountyNewton CountyNodaway CountyOregon CountyOsage CountyOzark CountyPemiscot CountyPerry CountyPettis CountyPhelps CountyPike CountyPlatte CountyPolk CountyPulaski CountyPutnam CountyRalls CountyRandolph CountyRay CountyReynolds CountyRipley CountySaline CountySchuyler CountyScotland CountyScott CountyShannon CountyShelby CountySt. Charles CountySt. Clair CountySt. Francois CountySt. Louis citySt. Louis CountySte. Genevieve CountyStoddard CountyStone CountySullivan CountyTaney CountyTexas CountyVernon CountyWarren CountyWashington CountyWayne CountyWebster CountyWorth CountyWright County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.