USStateMap

Missouri County Map

Missouri has 114 counties plus the independent city of St. Louis, which belongs to no county. St. Louis County is the most populous county with 1,004,125 residents in 2020, and Texas County is the largest by land area at 1,177.3 sq mi. Jefferson City, the capital, is the seat of Cole County.

County map of Missouri showing all 114 counties

County lines are switched on when the interactive map loads. Hover over a county to see its name, or untick Show counties to hide them.

114counties
St. Louismost populous (1,004,125)
Texaslargest (1,177.3 sq mi land)
Worthsmallest (266.6 sq mi land)

List of Missouri counties

CountyCounty seatPopulation (2020)Land area (sq mi)
Adair CountyKirksville25,314567.3
Andrew CountySavannah18,135432.6
Atchison CountyRock Port5,305547.3
Audrain CountyMexico24,962692.2
Barry CountyCassville34,534778.1
Barton CountyLamar11,637592.0
Bates CountyButler16,042836.7
Benton CountyWarsaw19,394704.0
Bollinger CountyMarble Hill10,567617.9
Boone CountyColumbia183,610685.6
Buchanan CountySt. Joseph84,793408.2
Butler CountyPoplar Bluff42,130694.8
Caldwell CountyKingston8,815426.4
Callaway CountyFulton44,283834.6
Camden CountyCamdenton42,745656.0
Cape Girardeau CountyJackson81,710578.5
Carroll CountyCarrollton8,495694.6
Carter CountyVan Buren5,202507.4
Cass CountyHarrisonville107,824696.6
Cedar CountyStockton14,188474.5
Chariton CountyKeytesville7,408751.2
Christian CountyOzark88,842562.6
Clark CountyKahoka6,634504.6
Clay CountyLiberty253,335397.7
Clinton CountyPlattsburg21,184418.9
Cole CountyJefferson City77,279391.5
Cooper CountyBoonville17,103564.7
Crawford CountySteelville23,056742.5
Dade CountyGreenfield7,569490.0
Dallas CountyBuffalo17,071541.0
Daviess CountyGallatin8,430563.3
DeKalb CountyMaysville11,029421.4
Dent CountySalem14,421752.8
Douglas CountyAva11,578813.6
Dunklin CountyKennett28,283541.9
Franklin CountyUnion104,682922.6
Gasconade CountyHermann14,794519.0
Gentry CountyAlbany6,162491.4
Greene CountySpringfield298,915675.3
Grundy CountyTrenton9,808435.3
Harrison CountyBethany8,157722.5
Henry CountyClinton21,946696.9
Hickory CountyHermitage8,279398.8
Holt CountyOregon4,223462.7
Howard CountyFayette10,151463.8
Howell CountyWest Plains39,750927.2
Iron CountyIronton9,537550.3
Jackson CountyIndependence and Kansas City717,204604.5
Jasper CountyCarthage122,761638.5
Jefferson CountyHillsboro226,739656.4
Johnson CountyWarrensburg54,013829.3
Knox CountyEdina3,744504.0
Laclede CountyLebanon36,039764.6
Lafayette CountyLexington32,984628.3
Lawrence CountyMount Vernon38,001611.7
Lewis CountyMonticello10,032505.0
Lincoln CountyTroy59,574626.6
Linn CountyLinneus11,874615.6
Livingston CountyChillicothe14,557532.3
Macon CountyMacon15,209801.2
Madison CountyFredericktown12,626494.4
Maries CountyVienna8,432527.0
Marion CountyPalmyra28,525436.9
McDonald CountyPineville23,303539.4
Mercer CountyPrinceton3,538453.8
Miller CountyTuscumbia24,722592.6
Mississippi CountyCharleston12,577411.6
Moniteau CountyCalifornia15,473415.0
Monroe CountyParis8,666647.6
Montgomery CountyMontgomery City11,322535.0
Morgan CountyVersailles21,006597.6
New Madrid CountyNew Madrid16,434674.9
Newton CountyNeosho58,648624.8
Nodaway CountyMaryville21,241877.0
Oregon CountyAlton8,635789.8
Osage CountyLinn13,274606.6
Ozark CountyGainesville8,553745.0
Pemiscot CountyCaruthersville15,661492.6
Perry CountyPerryville18,956474.4
Pettis CountySedalia42,980682.2
Phelps CountyRolla44,638671.8
Pike CountyBowling Green17,587670.4
Platte CountyPlatte City106,718419.8
Polk CountyBolivar31,519635.5
Pulaski CountyWaynesville53,955547.1
Putnam CountyUnionville4,681517.3
Ralls CountyNew London10,355469.8
Randolph CountyHuntsville24,716482.7
Ray CountyRichmond23,158569.0
Reynolds CountyCenterville6,096808.5
Ripley CountyDoniphan10,679629.5
Saline CountyMarshall23,333755.5
Schuyler CountyLancaster4,032307.3
Scotland CountyMemphis4,716436.5
Scott CountyBenton38,059420.0
Shannon CountyEminence7,0311,003.8
Shelby CountyShelbyville6,103500.9
St. Charles CountySt. Charles405,262560.5
St. Clair CountyOsceola9,284675.0
St. Francois CountyFarmington66,922451.9
St. Louis CountyClayton1,004,125507.9
St. Louis (independent city)—301,57861.7
Ste. Genevieve CountySte. Genevieve18,479499.2
Stoddard CountyBloomfield28,672823.1
Stone CountyGalena31,076463.8
Sullivan CountyMilan5,999648.0
Taney CountyForsyth56,066632.3
Texas CountyHouston24,4871,177.3
Vernon CountyNevada19,707826.4
Warren CountyWarrenton35,532428.6
Washington CountyPotosi23,514759.9
Wayne CountyGreenville10,974759.2
Webster CountyMarshfield39,085592.6
Worth CountyGrant City1,973266.6
Wright CountyHartville18,188681.8

St. Louis is an independent city, not part of any county, so it has no county seat (—). It is listed with the counties because the Census Bureau treats it as a county-equivalent.

Most populous counties

The five most populous counties are home to 43.5% of Missouri’s 6,154,913 residents (2020 Census).

  1. St. Louis County (Clayton): 1,004,125, 16.3% of the state
  2. Jackson County (Independence and Kansas City): 717,204, 11.7% of the state
  3. St. Charles County (St. Charles): 405,262, 6.6% of the state
  4. Greene County (Springfield): 298,915, 4.9% of the state
  5. Clay County (Liberty): 253,335, 4.1% of the state

The independent city of St. Louis, counted separately from St. Louis County, had 301,578 residents. Worth County, on the Iowa border, is the least populous county, with 1,973 residents.

Largest and smallest counties

Texas County, in the Ozarks of south-central Missouri, is the largest county at 1,177.3 sq mi of land, followed by Shannon County (1,003.8 sq mi) and Howell County (927.2 sq mi). Worth County is the smallest county at 266.6 sq mi. The independent city of St. Louis covers 61.7 sq mi of land.

St. Louis city and other county facts

The City of St. Louis separated from St. Louis County in 1876 and has been an independent city ever since. It is a county-equivalent with no county seat, which is why it appears in the table with a dash. St. Louis County, which borders the city on the north, west and south, is a separate government with its seat in Clayton.

Jackson County has two county seats, Independence and Kansas City. Kansas City itself extends into Jackson, Clay, Platte and Cass counties.

Printable Missouri county maps

Print the labeled map as a reference or the blank map for county quizzes and coloring; both are SVG files that print sharply at any size.

Labeled county map of Missouri
Labeled SVGBlank SVGState outline PNG

Frequently asked questions

How many counties are in Missouri?

Missouri has 114 counties. The independent city of St. Louis is a separate county-equivalent, for 115 in all.

What is the largest county in Missouri?

Texas County, with 1,177.3 sq mi of land. Its seat is Houston.

What is the most populous county in Missouri?

St. Louis County, with 1,004,125 residents in 2020. Its seat is Clayton.

What county is St. Louis in?

None. The City of St. Louis is an independent city outside any county. St. Louis County is a separate jurisdiction next to it.

More Missouri and nearby maps

Back to the Missouri state map for cities, highways and geography.

Neighboring county maps: Arkansas county map · Illinois county map · Iowa county map · Kansas county map · Kentucky county map · Nebraska county map · Oklahoma county map · Tennessee county map

Browse all 50 state maps.

Sources: U.S. Census Bureau (2020 Census, 2020 Gazetteer, boundaries); county seats from Wikipedia county lists cross-checked with Wikidata. Last reviewed October 2026.