Missouri County Maps: Interactive History & Complete List

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County Map of Mssouri
Map of Missouri county boundaries and county seats

Maps of Missouri are an important tool when it comes to ancestral and family history research, particularly in the event that you live far away from where your ancestor was living.

Since Missouri’s political boundaries have sometimes changed over the years, historic maps are essential in helping you discover the exact location of your ancestor’s home, what land they owned, just who their neighbors were, and much more besides.

Maps of Missouri are an excellent resource for starting out with your own research since they provide factual information quickly and in an easily understandable format. The National Archives holds ward maps of Kansas City and St. Louis.

States bordering Missouri are Arkansas, Illinois, Iowa, Kansas, Kentucky, Nebraska, Oklahoma, and Tennessee. Missouri’s 10 largest major cities are Kansas City, St. Louis, Springfield, Independence, Columbia, Lee’s Summit, O’Fallon, St. Joseph, St. Charles, and St. Peter’s.

Learn more historical facts about Missouri counties here.

Interactive Map of Missouri County Formation History

AniMap Plus 3.0, with the permission of the Goldbug Company

List of Every Missouri County

Adair County

Established in 1841, Adair County has a population of around 25,000 people. It is home to Truman State University, a public liberal arts and sciences university.

Andrew County

Established in 1841, Andrew County has a population of around 18,000 people. Its county seat is Savannah.

Atchison County

Established in 1845, Atchison County has a population of around 5,000 people. It is located in the far northwestern corner of the state.

Audrain County

Established in 1831, Audrain County has a population of around 26,000 people. It is home to the city of Mexico, which is known for its historic downtown district.

Barry County

Established in 1835, Barry County has a population of around 37,000 people. It is located in the southwest part of the state and is home to Roaring River State Park.

Barton County

Established in 1855, Barton County has a population of around 12,000 people. Its county seat is Lamar.

Bates County

Established in 1841, Bates County has a population of around 16,000 people. It is located in the western part of the state and is home to the city of Butler.

Benton County

Established in 1835, Benton County has a population of around 19,000 people. It is located in the central part of the state and is home to the Lake of the Ozarks.

Bollinger County

Established in 1851, Bollinger County has a population of around 12,000 people. It is located in the southeastern part of the state.

Boone County

Established in 1820, Boone County has a population of around 180,000 people. Its county seat is Columbia, which is home to the University of Missouri.

Buchanan County

Established in 1838, Buchanan County has a population of around 87,000 people. Its county seat is St. Joseph, which is the birthplace of the famous outlaw Jesse James.

Butler County

Established in 1849, Butler County has a population of around 42,000 people. It is located in the southeastern part of the state.

Caldwell County

Established in 1836, Caldwell County has a population of around 9,000 people. Its county seat is Kingston.

Callaway County

Established in 1820, Callaway County has a population of around 45,000 people. It is located in the central part of the state and is home to the city of Fulton.

Camden County

Established in 1841, Camden County has a population of around 50,000 people. It is located in the central part of the state and is home to Lake of the Ozarks State Park.

Cape Girardeau County

Established in 1812, Cape Girardeau County has a population of around 80,000 people. Its county seat is Cape Girardeau, which is home to Southeast Missouri State University.

Carroll County

Established in 1833, Carroll County has a population of around 8,000 people. Its county seat is Carrollton.

Carter County

Established in 1859, Carter County has a population of around 6,000 people. It is located in the southeastern part of the state.

Cass County

Established in 1835, Cass County has a population of around 105,000 people. Its county seat is Harrisonville.

Cedar County

Established in 1845, Cedar County has a population of around 14,000 people. Its county seat is Stockton.

Chariton County

Established in 1820, Chariton County has a population of around 7,500 people. Its county seat is Keytesville.

Christian County

Established in 1859, Christian County has a population of around 88,000 people. It is located in the southwestern part of the state.

Clark County

Established in 1836, Clark County has a population of around 7,000 people. Its county seat is Kahoka.

Clay County

Established in 1822, Clay County has a population of around 250,000 people. Its county seat is Liberty, which is home to William Jewell College.

Clinton County

Established in 1833, Clinton County has a population of around 21,000 people. Its county seat is Plattsburg.

Cole County

Established in 1820, Cole County has a population of around 75,000 people. Its county seat is Jefferson City, which is the capital of Missouri.

Cooper County

Established in 1818, Cooper County has a population of around 17,000 people. Its county seat is Boonville.

Crawford County

Established in 1829, Crawford County has a population of around 25,000 people. Its county seat is Steelville.

Dade County

Established in 1841, Dade County has a population of around 7,000 people. Its county seat is Greenfield.

Dallas County

Established in 1842, Dallas County has a population of around 17,000 people. Its county seat is Buffalo.

Daviess County

Established in 1836, Daviess County has a population of around 8,000 people. Its county seat is Gallatin.

DeKalb County

Established in 1845, DeKalb County has a population of around 12,000 people. Its county seat is Maysville.

Dent County

Established in 1851, Dent County has a population of around 15,000 people. Its county seat is Salem.

Douglas County

Established in 1857, Douglas County has a population of around 14,000 people. Its county seat is Ava.

Dunklin County

Established in 1845, Dunklin County has a population of around 30,000 people. Its county seat is Kennett.

Franklin County

Established in 1818, Franklin County has a population of around 103,000 people. Its county seat is Union.

Gasconade County

Established in 1820, Gasconade County has a population of around 15,000 people. Its county seat is Hermann.

Gentry County

Established in 1841, Gentry County has a population of around 6,700 people. Its county seat is Albany.

Greene County

Established in 1833, Greene County has a population of around 300,000 people. Its county seat is Springfield, which is the third-largest city in Missouri.

Grundy County

Established in 1841, Grundy County has a population of around 10,000 people. Its county seat is Trenton.

Harrison County

Established in 1845, Harrison County has a population of around 8,000 people. Its county seat is Bethany.

Henry County

Established in 1835, Henry County has a population of around 23,000 people. Its county seat is Clinton.

Hickory County

Established in 1845, Hickory County has a population of around 9,000 people. Its county seat is Hermitage.

Holt County

Established in 1841, Holt County has a population of around 4,500 people. Its county seat is Oregon.

Howard County

Established in 1816, Howard County has a population of around 10,000 people. Its county seat is Fayette.

Howell County

Established in 1851, Howell County has a population of around 40,000 people. Its county seat is West Plains.

Iron County

Established in 1857, Iron County has a population of around 10,000 people. Its county seat is Ironton.

Jackson County

Established in 1826, Jackson County has a population of around 700,000 people. Its county seat is Kansas City, which is the largest city in Missouri.

Jasper County

Established in 1841, Jasper County has a population of around 121,000 people. Its county seat is Carthage.

Jefferson County

Established in 1818, Jefferson County has a population of around 230,000 people. Its county seat is Hillsboro.

Johnson County

Established in 1834, Johnson County has a population of around 53,000 people. Its county seat is Warrensburg.

Knox County

Established in 1845, Knox County has a population of around 4,000 people. Its county seat is Edina.

Laclede County

Established in 1849, Laclede County has a population of around 35,000 people. Its county seat is Lebanon.

Lafayette County

Established in 1820, Lafayette County has a population of around 33,000 people. Its county seat is Lexington.

Lawrence County

Established in 1845, Lawrence County has a population of around 38,000 people. Its county seat is Mount Vernon.

Lewis County

Established in 1833, Lewis County has a population of around 10,000 people. Its county seat is Monticello.

Lincoln County

Established in 1818, Lincoln County has a population of around 60,000 people. Its county seat is Troy.

Linn County

Established in 1837, Linn County has a population of around 12,000 people. Its county seat is Linneus.

Livingston County

Established in 1837, Livingston County has a population of around 15,000 people. Its county seat is Chillicothe.

McDonald County

Established in 1849, McDonald County has a population of around 23,000 people. Its county seat is Pineville.

Macon County

Established in 1837, Macon County has a population of around 15,000 people. Its county seat is Macon.

Madison County

Established in 1818, Madison County has a population of around 12,000 people. Its county seat is Fredericktown.

Maries County

Established in 1855, Maries County has a population of around 8,000 people. Its county seat is Vienna.

Marion County

Established in 1826, Marion County has a population of around 28,000 people. Its county seat is Palmyra.

Mercer County

Established in 1845, Mercer County has a population of around 3,700 people. Its county seat is Princeton.

Miller County

Established in 1837, Miller County has a population of around 25,000 people. Its county seat is Tuscumbia.

Mississippi County

Established in 1845, Mississippi County has a population of around 13,000 people. Its county seat is Charleston.

Moniteau County

Established in 1845, Moniteau County has a population of around 16,000 people. Its county seat is California.

Monroe County

Established in 1831, Monroe County has a population of around 8,000 people. Its county seat is Paris.

Montgomery County

Established in 1818, Montgomery County has a population of around 11,000 people. Its county seat is Montgomery City.

Morgan County

Established in 1833, Morgan County has a population of around 21,000 people. Its county seat is Versailles.

New Madrid County

Established in 1812, New Madrid County has a population of around 17,000 people. Its county seat is New Madrid.

Newton County

Established in 1838, Newton County has a population of around 60,000 people. Its county seat is Neosho.

Nodaway County

Established in 1845, Nodaway County has a population of around 22,000 people. Its county seat is Maryville.

Oregon County

Established in 1845, Oregon County has a population of around 10,000 people. Its county seat is Alton.

Osage County

Established in 1841, Osage County has a population of around 13,000 people. Its county seat is Linn.

Ozark County

Established in 1841, Ozark County has a population of around 9,000 people. Its county seat is Gainesville.

Pemiscot County

Established in 1851, Pemiscot County has a population of around 17,000 people. Its county seat is Caruthersville.

Perry County

Established in 1820, Perry County has a population of around 20,000 people. Its county seat is Perryville.

Pettis County

Established in 1833, Pettis County has a population of around 42,000 people. Its county seat is Sedalia.

Phelps County

Established in 1857, Phelps County has a population of around 46,000 people. Its county seat is Rolla.

Pike County

Established in 1818, Pike County has a population of around 18,000 people. Its county seat is Bowling Green.

Platte County

Established in 1838, Platte County has a population of around 105,000 people. Its county seat is Platte City.

Polk County

Established in 1835, Polk County has a population of around 32,000 people. Its county seat is Bolivar.

Pulaski County

Established in 1833, Pulaski County has a population of around 53,000 people. Its county seat is Waynesville.

Putnam County

Established in 1843, Putnam County has a population of around 4,800 people. Its county seat is Unionville.

Ralls County

Established in 1820, Ralls County has a population of around 10,000 people. Its county seat is New London.

Randolph County

Established in 1829, Randolph County has a population of around 25,000 people. Its county seat is Huntsville.

Ray County

Established in 1820, Ray County has a population of around 22,000 people. Its county seat is Richmond.

Reynolds County

Established in 1845, Reynolds County has a population of around 6,500 people. Its county seat is Centerville.

Ripley County

Established in 1833, Ripley County has a population of around 13,000 people. Its county seat is Doniphan.

St. Charles County

Established in 1812, St. Charles County has a population of around 400,000 people. Its county seat is St. Charles.

St. Clair County

Established in 1841, St. Clair County has a population of around 9,000 people. Its county seat is Osceola.

St. Francois County

Established in 1821, St. Francois County has a population of around 67,000 people. Its county seat is Farmington.

St. Louis County

Established in 1812, St. Louis County is the most populous county in Missouri with a population of around 1 million people. Its county seat is Clayton.

Ste. Genevieve County

Established in 1812, Ste. Genevieve County has a population of around 18,000 people. Its county seat is Ste. Genevieve.

Saline County

Established in 1820, Saline County has a population of around 23,000 people. Its county seat is Marshall.

Schuyler County

Established in 1845, Schuyler County has a population of around 4,400 people. Its county seat is Lancaster.

Scotland County

Established in 1841, Scotland County has a population of around 4,900 people. Its county seat is Memphis.

Scott County

Established in 1821, Scott County has a population of around 38,000 people. Its county seat is Benton.

Shannon County

Established in 1841, Shannon County has a population of around 8,000 people. Its county seat is Eminence.

Shelby County

Established in 1835, Shelby County has a population of around 6,000 people. Its county seat is Shelbyville.

Stoddard County

Established in 1835, Stoddard County has a population of around 29,000 people. Its county seat is Bloomfield.

Stone County

Established in 1851, Stone County has a population of around 32,000 people. Its county seat is Galena.

Sullivan County

Established in 1843, Sullivan County has a population of around 6,200 people. Its county seat is Milan.

Taney County

Established in 1837, Taney County has a population of around 57,000 people. Its county seat is Forsyth.

Texas County

Established in 1843, Texas County has a population of around 25,000 people. Its county seat is Houston.

Vernon County

Established in 1851, Vernon County has a population of around 20,000 people. Its county seat is Nevada.

Warren County

Established in 1833, Warren County has a population of around 35,000 people. Its county seat is Warrenton.

Washington County

Established in 1813, Washington County has a population of around 24,000 people. Its county seat is Potosi.

Wayne County

Established in 1818, Wayne County has a population of around 12,000 people. Its county seat is Greenville.

Webster County

Established in 1855, Webster County has a population of around 40,000 people. Its county seat is Marshfield.

Worth County

Established in 1861, Worth County has a population of around 2,100 people. Its county seat is Grant City.

Wright County

Established in 1841, Wright County has a population of around 18,000 people. Its county seat is Hartville.

City of St. Louis

Although not a county, the City of St. Louis is an independent city in Missouri with a population of around 300,000 people.

Old Antique Atlases & Maps of Missouri

Disclaimer: All Missouri maps are free to use for your own genealogical purposes and may not be reproduced for resale or distribution. Source: David Rumsey Historical Map Collection

  • 1776 Course Of The River Mississipi

    1776 Course Of The River Mississipi

    1776 Course Of The River Mississipi, from the Balise to Fort Chartres Atlas Map

  • 1814 Map of Missouri

    1814 Map of Missouri

    1814 Map of Missouri Territory formerly Louisiana

  • 1822 Map Of Missouri

    1822 Map Of Missouri

    1822 Geographical, Historical, And Statistical Map Of Missouri

  • 1822 Map of Mississippi

    1822 Map of Mississippi

    1822 Geographical, Historical, And Statistical Map Of Mississippi

  • 1827 Map of Missouri

    1827 Map of Missouri

    1827 Map of the States of Missouri and Territory of Arkansas

  • 1836 Atlas Map Of Missouri

    1836 Atlas Map Of Missouri

    1836 Atlas Map Of Missouri With Its Roads & Distances

  • 1845 Missouri Map

    1845 Missouri Map

  • 1856 Missouri Map

    1856 Missouri Map

  • 1856 City Of St. Louis Missouri Map

    1856 City Of St. Louis Missouri Map

    1856 City Of St. Louis Missouri. (with) The City Of Chicago Illinois Map

  • 1866 Map of Missouri

    1866 Map of Missouri

  • 1880 Map of Missouri

    1880 Map of Missouri

    1880 County & township map of the states of Iowa and Missouri

  • 1880 St. Louis

    1880 St. Louis

D.O.T. County Road and Highway Maps of Missouri

To View the Map: Just click the image to view the map online. In order to make the image size as small as possible, they were saved on the lowest resolution.

Missouri Map Links

Caleb Pike
About the author

Caleb Pike is an avid hiker and nature lover, with a passion for exploring the great outdoors. He's a writer, photographer, and adventurer, always seeking new trails to blaze and peaks to conquer.