Missouri Counties Map

Missouri is a state located in the Midwest Region of the United States. It borders eight other states and is known for contributions to American culture such as Kansas City Jazz, barbecue, and Route 66.

Missouri (MO) on the US Map

The State of Missouri highlighted on the US map.
Missouri highlighted on the US map

There are 114 counties in Missouri and one independent city (St. Louis). These counties each have their own county seat and local government, performing administrative functions such as maintaining roads, prosecuting criminals, and collecting taxes.

In this post, we provide a detailed map of counties in Missouri as well as detailed information about each. We’ll also take an even closer look at some of the most notable counties in Missouri, starting with the most populous.

Map of Missouri Counties

Below is a map of the 114 counties of Missouri (you can click on the map to enlarge it and to see the major city in each county).

A color-coded map showing the counties of Missouri with state names labeled at the borders.
Missouri Counties Map with cities

Interactive Map of Missouri Counties

Click on any of the counties on the map to see its population, economic data, time zone, and zip code (the data will appear below the map). Data is sourced from the US Census 2021.

List of the Counties of Missouri:

CountyPopulationPer sq. kmLargest City
Adair County25,33917.24Kirksville
Andrew County18,02316.08Savannah
Atchison County5,3123.75Tarkio
Audrain County25,22314.07Mexico
Barry County34,64817.19Monett
Barton County11,7127.64Lamar
Bates County16,1007.43Butler
Benton County19,35110.61Warsaw
Bollinger County10,7586.72Marble Hill
Boone County182,170102.6Columbia
Buchanan County85,54580.9St. Joseph
Butler County42,31423.52Poplar Bluff
Caldwell County8,8568.02Cameron
Callaway County44,44920.56Jefferson City
Camden County43,05325.34Osage Beach
Cape Girardeau County81,08654.12Cape Girardeau
Carroll County8,5644.76Carrollton
Carter County5,3654.08Van Buren
Cass County106,96659.29Kansas City
Cedar County14,18411.54El Dorado Springs
Chariton County7,4323.82Marceline
Christian County87,82460.27Nixa
Clark County6,6495.09Kahoka
Clay County250,134242.86Kansas City
Clinton County21,09519.44Cameron
Cole County77,41276.34Jefferson City
Cooper County17,39711.89Boonville
Crawford County23,20412.07Sullivan
Dade County7,5845.98Greenfield
Dallas County16,94612.1Buffalo
Daviess County8,4275.78Gallatin
DeKalb County11,63910.67Cameron
Dent County14,5857.48Salem
Douglas County11,8085.6Ava
Dunklin County28,59220.37Kennett
Franklin County104,33143.66Washington
Gasconade County14,80311.01Owensville
Gentry County6,2314.9Albany
Greene County296,875169.73Springfield
Grundy County9,9018.78Trenton
Harrison County8,2294.4Bethany
Henry County21,88412.12Clinton
Hickory County8,4298.16Hermitage
Holt County4,2953.58Mound City
Howard County10,1478.45Fayette
Howell County39,75316.55West Plains
Iron County9,6066.74Ironton
Jackson County713,229455.53Kansas City
Jasper County122,05973.81Joplin
Jefferson County225,913132.88Arnold
Johnson County53,88925.09Warrensburg
Knox County3,7822.9Edina
Laclede County35,89818.13Lebanon
Lafayette County32,75220.13Oak Grove
Lawrence County38,12324.06Monett
Lewis County10,0317.67Canton
Lincoln County58,68936.17Troy
Linn County11,9627.5Brookfield
Livingston County15,00110.88Chillicothe
Macon County15,2227.34Macon
Madison County12,5979.84Fredericktown
Maries County8,4576.2Belle
Marion County28,56425.24Hannibal
McDonald County23,26716.65Anderson
Mercer County3,5613.03Princeton
Miller County24,64316.06Osage Beach
Mississippi County12,97612.17Charleston
Moniteau County15,72314.63California
Monroe County8,6435.15Monroe City
Montgomery County11,3848.21Montgomery City
Morgan County20,88313.49Versailles
New Madrid County16,6589.53Sikeston
Newton County58,63436.24Joplin
Nodaway County21,5719.5Maryville
Oregon County8,8914.35Thayer
Osage County13,3728.51Linn
Ozark County8,6644.49Gainesville
Pemiscot County15,94912.5Caruthersville
Perry County19,00715.47Perryville
Pettis County42,91924.29Sedalia
Phelps County44,69225.69Rolla
Pike County18,05210.4Bowling Green
Platte County105,18996.74Kansas City
Polk County31,54119.16Bolivar
Pulaski County53,46037.73Fort Leonard Wood
Putnam County4,7153.52Unionville
Ralls County10,3188.48Hannibal
Randolph County24,88019.9Moberly
Ray County23,08015.66Excelsior Springs
Reynolds County6,1382.93Ellington
Ripley County11,0326.77Doniphan
Saline County23,27811.9Marshall
Schuyler County4,0945.14Queen City
Scotland County4,7604.21Memphis
Scott County38,16135.08Cape Girardeau
Shannon County7,1852.76Winona
Shelby County6,0874.69Shelbina
St. Charles County402,377277.18O’Fallon
St. Clair County9,2355.28Osceola
St. Francois County67,16857.39Farmington
St. Louis City302,7871893.64St. Louis
St. Louis County1,001,982761.74Florissant
Ste. Genevieve County18,40614.24Ste. Genevieve
Stoddard County28,81213.51Dexter
Stone County31,01825.82Branson
Sullivan County6,0453.6Milan
Taney County55,85434.11Branson
Texas County24,8668.16Mountain Grove
Vernon County19,8319.27Nevada
Warren County35,03331.56Warrenton
Washington County23,79112.09Potosi
Wayne County11,2985.75Piedmont
Webster County38,97825.4Marshfield
Worth County2,0042.9Grant City
Wright County18,24410.33Mountain Grove

Largest Missouri Counties by Population

St. Louis County

A view of buildings standing beyond a park with trees and a water feature in Clayton, Missouri.
Clayton, Missouri

St. Louis County shares its eastern boundary with the city of St. Louis and is the most populous county in Missouri. With a rich history dating back to its establishment in 1812, the county was named after the French King Louis IX. The county’s administrative center, Clayton, combines suburban tranquility with a growing business sector.

The county is a cultural melting pot, home to numerous attractions like the Saint Louis Art Museum, Missouri History Museum, and the St. Louis Zoo. Its educational landscape is bolstered by prestigious institutions such as Washington University and Webster University.

St. Louis County’s neighborhoods range from bustling urban areas to quiet, tree-lined suburbs, making it a diverse and appealing place for a wide array of residents. The county also hosts various festivals and events, reflecting its rich cultural heritage.

Jackson County

A street-level view of people and food stalls outside Truman Courthouse on a sunny day.
Historic Truman Courthouse in Independence, Missouri during the SantaCaliGon Days Festival

Jackson County, located in the western part of Missouri, is named after President Andrew Jackson. Kansas City, its largest city, is known for its jazz heritage, fountains, and distinctive barbecue cuisine. The county was established in 1826 and has since become a hub of commerce and culture.

The county seat, Independence, is famously known as the hometown of President Harry S. Truman. Jackson County’s attractions include the Truman Presidential Library and Museum, the Nelson-Atkins Museum of Art, and the Kauffman Stadium.

Before the first European explorers set foot in what is now Jackson County, the land had been long inhabited by the indigenous Osage tribe. The area was then controlled by the French and the British before transferring to the United States in the Louisiana Purchase of 1803.

St. Charles County

An aerial view of St. Charles, Missouri near dawn.
St. Charles, Missouri

St. Charles County, a flourishing region to the northwest of St. Louis, was established in 1812 and named in honor of Saint Charles Borromeo. As the county seat, the city of St. Charles is famous for its meticulously preserved historic district, showcasing landmarks from the Lewis and Clark Expedition.

The county is celebrated for its vibrant wine country, nestled in the picturesque Missouri River Valley. Wineries and vineyards dot the landscape, drawing visitors for wine tastings and scenic views, contributing to the county’s growing reputation as a destination for oenophiles. The region’s agricultural heritage is further highlighted in annual events like the St. Charles Oktoberfest and the Festival of the Little Hills, showcasing local crafts and cuisine.

In addition to its historical and cultural attractions, St. Charles County is known for its family-friendly suburbs, excellent schools, and growing economic opportunities. Green spaces like the Katy Trail State Park offer residents and visitors alike a chance to enjoy outdoor activities along the scenic riverfront.

St. Louis City

An aerial view of the courthouse and arch surrounded by tall buildings in downtown St. Louis, Missouri.
The Old Courthouse and Gateway Arch in St. Louis, Missouri

St. Louis City is technically an independent city and not part of any county. Established in 1764 and named after the French King Louis IX, it’s recognized as a county equivalent for administrative purposes. The city’s rich history as a major port and gateway to the west is mirrored in its vibrant cultural tapestry.

The city is renowned for its iconic Gateway Arch, a symbol of America’s westward expansion. St. Louis City’s cultural and architectural heritage is further showcased in historic neighborhoods like Soulard and Lafayette Square, each brimming with unique charm. The city’s commitment to the arts is evident in institutions such as the Saint Louis Art Museum and the Fox Theatre.

St. Louis City’s educational landscape is marked by prestigious institutions, including Saint Louis University and the University of Missouri-St. Louis. Additionally, Forest Park, one of the largest urban parks in the U.S., offers a variety of recreational opportunities, housing the Saint Louis Zoo and the Missouri History Museum.

Greene County

A metal moose sculpture stands in the water at a store in Missouri’s Greene County.
Bass Pro Flagship Store in Springfield, Missouri

Greene County, located in southwestern Missouri, was established in 1833 and named in honor of the Revolutionary War hero Nathanael Greene. The county seat, Springfield, is known as the “Birthplace of Route 66” and is a mix of urban and rural influences.

Home to Missouri State University, Greene County is a center for education and innovation. The area is also famous for its outdoor activities, including the nearby Ozark Mountains, which are full of scenic beauty and recreational opportunities like hiking and fishing.

The county’s cultural attractions include the Springfield Art Museum and the historic Gillioz Theatre. Greene County’s blend of educational, cultural, and natural attractions makes it a vibrant and attractive area for residents and visitors alike.

Smallest Missouri Counties by Population

Worth County

A low-angle view of the Worth County Courthouse on a cloudy day.
Worth County Courthouse in Grant City, Missouri

Worth County is the smallest by population in Missouri, and it holds a unique charm in its quiet, rural landscapes. Established in 1861 and named after General William J. Worth, a hero of the Mexican-American War, the county is nestled in the northwest corner of the state, showcasing the serene beauty of rural Missouri.

Grant City, the county seat, encapsulates the quaint and close-knit nature of the county. The town’s historic courthouse, dating back to the late 19th century, stands as a testament to the area’s deep-rooted history. Worth County’s community life revolves around agricultural activities, with local farms playing a significant role in both the economy and culture of the region.

Despite its small size, Worth County offers a peaceful retreat with scenic drives and outdoor activities such as hunting and fishing. Events in Worth County include those put on by the Northwest Missouri Tractor Puller’s Association (NWMTPA).

Mercer County             

American flags fly in front of the façade of the Mercer County Courthouse on a sunny day in Princeton, Missouri.
Mercer County Courthouse in Princeton, Missouri

Mercer County, situated in northern Missouri, was established in 1845. Named after General Hugh Mercer, who served in the American Revolutionary War, the county is known for its agricultural landscape and small-town environment.

Princeton, the county seat, is a community that reflects the county’s agricultural heritage. The town’s historical significance is visible in its architecture and local museum, which chronicles the county’s development and history. The town’s attractions include outdoor concerts, seasonal festivals, and sports competitions.

Agriculture plays a central role in Mercer County’s economy, with farming and livestock rearing being predominant activities. The county’s rural setting offers a variety of outdoor recreational opportunities, including hunting and fishing, which are popular among locals and visitors.

Knox County    

A view of the façade of the Knox County Courthouse in Edina, Missouri, surrounded by trees.
Knox County Courthouse in Edina, Missouri

Knox County, located in northeastern Missouri, was also established in 1845. Its name honors Henry Knox, a major general in the American Revolutionary War and the first United States Secretary of War. This county is characterized by its rolling farmlands and historical landmarks.

Edina, the county seat, retains a sense of historical charm. The Knox County Courthouse, a prominent feature in the town, is a symbol of the county’s long-standing history. Edina’s downtown area, with its classic town square layout, offers a glimpse into the architectural styles of the late 19th and early 20th centuries.

Farming, particularly involving livestock and grain, forms the backbone of Knox County’s economy. The county’s landscape, featuring undulating hills and fertile fields, is conducive to both agriculture and outdoor activities like hunting, birdwatching, and fishing in the numerous streams and rivers that traverse the area.

Notable Counties in Missouri

Boone County

A low-angle view of the Columns landmark on the University of Missouri campus at sunset.
The Columns at the University of Missouri in Columbia, Boone County

Established in 1820, Missouri’s Boone County is notable for hosting Columbia, a vibrant city that is home to the University of Missouri, the state’s largest university. The county was named after the famous frontiersman Daniel Boone and is centrally located in Missouri.

Columbia, the county seat, is a hub for arts and culture, hosting numerous festivals like the True/False Film Fest and the Roots N Blues N BBQ Festival. These events, along with a thriving local music and theater scene, contribute to the county’s dynamic cultural environment.

Boone County’s commitment to education extends beyond the university, with a strong emphasis on public schools and libraries. The county’s blend of urban and rural areas provides a diverse range of recreational activities, from exploring the MKT Nature and Fitness Trail to enjoying the scenic beauty of Rock Bridge Memorial State Park.

Clay County

The brick façade of the Jesse James Bank Museum in Liberty, Missouri.
Jesse James Bank Museum in Liberty, Missouri

Clay County, established in 1822 in northwestern Missouri, is rich in historical significance. It gained prominence as the birthplace of the infamous outlaw Jesse James and is known for its diverse urban and rural landscapes. The county’s history is deeply intertwined with the American frontier and the Civil War.

The county seat, Liberty, is a city that balances historical preservation with modern development. Key attractions include the historic Liberty Jail, a significant site for the Latter Day Saint movement, and the Jesse James Bank Museum, the site of the first daylight bank robbery in the United States.

Agriculture and small-scale industries form a significant part of Clay County’s economy, complementing its historical tourism. The county also offers various outdoor activities, including access to the Missouri River and Smithville Lake, catering to enthusiasts of fishing, boating, and hiking.

Taney County

The stone Chapel of the Ozarks looks out over Table Rock Lake in Taney County, Missouri.
The Chapel of the Ozarks with Table Rock Lake in the distance.

Taney County, established in 1837 in southwestern Missouri, is named after Roger B. Taney, the fifth Chief Justice of the United States. The county is most famous for Branson, a major national tourist destination known for its vibrant entertainment industry, including live music shows, theaters, and family attractions.

Branson, situated within Taney County, offers a unique blend of entertainment and natural beauty. Nestled in the Ozark Mountains, the city is home to attractions like Silver Dollar City, a popular 1880s-themed amusement park, and Table Rock Lake, known for its outdoor recreation opportunities.

The county’s economy is heavily influenced by tourism, with visitors drawn to its entertainment venues and the scenic beauty of the Ozark region. Taney County’s focus on family-friendly entertainment and outdoor activities makes it a standout destination in Missouri’s tourism landscape.

Cole County

A low-angle view of a fountain and the front of the Missouri Capitol Building in Jefferson City.
Missouri State Capitol in Jefferson City, Cole County

Cole County, established in 1820, is located in central Missouri and holds a place of prominence as the home of Missouri’s capital city, Jefferson City. Named after pioneer Captain Stephen Cole, who came to Missouri after the Louisiana Purchase, the county is a central hub for state government and political history.

Jefferson City, the county seat, is steeped in political and historical significance. The Missouri State Capitol, with its impressive architecture and artwork, dominates the city’s landscape. The city also hosts several historical museums and landmarks, offering insights into Missouri’s and the nation’s past.

The county’s economy and culture are deeply influenced by its status as the state capital. It hosts numerous government offices and is a center for political activity in Missouri. Beyond its political significance, Cole County offers a mix of urban and rural environments, with parks and recreational areas providing residents and visitors with opportunities for outdoor activities and exploration.

More About Missouri Counties: FAQs

What is the oldest city in Missouri?

Saint Genevieve, founded around 1735, is considered the oldest permanent European settlement in Missouri. It’s located in Genevieve County.

What is the highest point in Missouri?

Taum Sauk Mountain in Iron County is the highest point in Missouri, reaching an elevation of 1,772 feet (540 meters).

What is Missouri’s state motto?

Missouri’s state motto is “Salus Populi Suprema Lex Esto,” which translates to “The welfare of the people shall be the supreme law.”

Which Native American tribes originally inhabited Missouri?

The Osage, Missouria, and Illini tribes were among the original inhabitants of the region that is now Missouri.

Which county in Missouri has the largest land area?

Texas County is the largest by land area in Missouri, covering approximately 1,179 square miles (3,050 km2).

Image Sources and Copyright Information
  • Autumnal Park Scene with Colorful Trees and Urban Skyline: © Tales.org/Shutterstock
  • Community Event at the Historic Courthouse in Independence, Missouri: © Rachael Martin/Shutterstock
  • Aerial View of St. Charles, Missouri at Sunset with the Missouri River in the Background: © RN Photo Midwest/Shutterstock
  • Aerial View of Downtown St. Louis, Missouri with the Iconic Gateway Arch: © Sean Pavone/Shutterstock
  • Moose Statue in Front of a Rustic Building by a Pond: © CJ Hanevy/Shutterstock
  • Worth County Courthouse in Grant City, Missouri: © Patrick Hull, modifications by Kbh3rd/Wikimedia Commons | CC BY-SA 3.0 Unported
  • Mercer County Courthouse in Missouri with American Flags: © Kbh3rd/Wikimedia Commons | CC BY 4.0 International
  • Knox County Courthouse Surrounded by Trees in Missouri: © Kbh3rd/Wikimedia Commons | CC BY 4.0 International
  • Twilight View of Historic Columns in Front of a Courthouse in Boone County, Columbia, Missouri: © Sean Pavone/Shutterstock
  • Entrance to the Jesse James Bank Museum in Clay County, United States: © Wirestock Creators/Shutterstock
  • Stone Church Overlooking a Serene Lake in Branson, Missouri: © Latecia Peoples/Shutterstock
  • Missouri State Capitol Building with Fountain in Jefferson City: © eurobanks/Shutterstock