List of Missouri counties.html |
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Missouri has 114 counties and one independent city. St. Louis City is separate from St. Louis County and is referred to as a "city not within a county."
List
| County |
FIPS Code 1 |
County seat 2 |
Established 2 |
Origin |
Etymology |
Population 2 |
Area 2 |
Map |
|---|---|---|---|---|---|---|---|---|
| Adair County | 001 | Kirksville | 1841 | Formed from Un-Organized | John Adair, governor of Kentucky | 24,977 | 568 sq mi (1,471 km²) |
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| Andrew County | 003 | Savannah | 1841 | Formed from Un-Organized | lawyer Andrew Jackson Davis | 16,492 | 435 sq mi (1,127 km²) |
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| Atchison County | 005 | Rock Port | 1843 | Part of Holt County (Formerly named Allen) | Sen. David Rice Atchison | 6,430 | 545 sq mi (1,412 km²) |
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| Audrain County | 007 | Mexico | 1831 | Formed from Ralls | (disputed) | 25,853 | 693 sq mi (1,795 km²) |
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| Barry County | 009 | Cassville | 1835 | Formed from Greene County | William Taylor Barry, United States Postmaster General | 34,010 | 779 sq mi (2,018 km²) |
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| Barton County | 011 | Lamar | 1855 | Formed from Jasper | Sen. David Barton | 12,541 | 594 sq mi (1,538 km²) |
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| Bates County | 013 | Butler | 1841 | Formed from Jackson, and Lafayette Counties | Gov. Frederick Bates | 16,653 | 848 sq mi (2,196 km²) |
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| Benton County | 015 | Warsaw | 1835 | Formed from Pettis and St. Clair County | Sen. Thomas Hart Benton | 17,180 | 706 sq mi (1,829 km²) |
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| Bollinger County | 017 | Marble Hill | 1851 | Formed from Cape Girardeau, Stoddard, and Wayne counties | George Frederick Bollinger | 12,029 | 621 sq mi (1,608 km²) |
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| Boone County | 019 | Columbia | 1821 | Formed from Howard | frontiersman Daniel Boone | 135,454 | 685 sq mi (1,774 km²) |
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| Buchanan County | 021 | Saint Joseph | 1838 | Part of Platte County | President James Buchanan | 85,998 | 410 sq mi (1,062 km²) |
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| Butler County | 023 | Poplar Bluff | 1849 | Formed from Wayne County | William O. Butler, U.S. Representative from Kentucky | 40,867 | 698 sq mi (1,808 km²) |
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| Caldwell County | 025 | Kingston | 1836 | Formed from Un-Organized | Caldwell, Indian Fighter | 8,969 | 429 sq mi (1,111 km²) |
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| Callaway County | 027 | Fulton | 1821 | Un-Organized Area | Capt. James Callaway | 40,766 | 839 sq mi (2,173 km²) |
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| Camden County | 029 | Camdenton | 1841 | Formed from Benton and Pulaski counties (Formerly named Kinderhook) | Charles Pratt, 1st Earl Camden | 37,051 | 655 sq mi (1,696 km²) |
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| Cape Girardeau County | 031 | Jackson | 1812 | One of the Original 5 Counties | Ensign Sieur Jean Baptiste de Girardot (Girardeau) | 68,693 | 579 sq mi (1,500 km²) |
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| Carroll County | 033 | Carrollton | 1833 | Formed from Un-Organized | founding father - Charles Carroll | 10,285 | 695 sq mi (1,800 km²) |
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| Carter County | 035 | Van Buren | 1859 | Formed from Reynolds, Ripley, and Shannon counties | Zimri Carter | 5,941 | 508 sq mi (1,316 km²) |
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| Cass County | 037 | Harrisonville | 1833 | Formed from Jackson and Lafayette Counties (Formerly named Van Buren) | Lewis Cass, senator from Michigan | 82,092 | 699 sq mi (1,810 km²) |
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| Cedar County | 039 | Stockton | 1845 | Formed from Dade and St. Clair Counties | Eastern Red Cedar tree | 13,733 | 476 sq mi (1,233 km²) |
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| Chariton County | 041 | Keytesville | 1821 | Formed from Howard and Pike Counties | Chariton River | 8,438 | 756 sq mi (1,958 km²) |
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| Christian County | 043 | Ozark | 1859 | Formed from Greene, Taney, and Webster Counties | William Christian, soldier | 54,285 | 563 sq mi (1,458 km²) |
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| Clark County | 045 | Kahoka | 1836 | Formed from Un-Organized | William Clark (explorer) | 7,416 | 507 sq mi (1,313 km²) |
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| Clay County | 047 | Liberty | 1822 | Formed from Ray County | US statesman Henry Clay from Kentucky | 184,006 | 396 sq mi (1,026 km²) |
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| Clinton County | 049 | Plattsburg | 1833 | Formed from Un-Organized | George Clinton (vice president) | 18,979 | 419 sq mi (1,085 km²) |
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| Cole County | 051 | Jefferson City | 1820 | Formed from Cooper County | Capt. Stephen Cole, pioneer | 71,397 | 392 sq mi (1,015 km²) |
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| Cooper County | 053 | Boonville | 1818 | Formed from Howard | Sarshall Cooper, pioneer | 16,670 | 565 sq mi (1,463 km²) |
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| Crawford County | 055 | Steelville | 1829 | Formed from Un-Organized Area | William H. Crawford | 22,804 | 743 sq mi (1,924 km²) |
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| Dade County | 057 | Greenfield | 1841 | Formed from Un-Organized | Major Francis L. Dade | 7,923 | 490 sq mi (1,269 km²) |
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| Dallas County | 059 | Buffalo | 1841 | Formed from Un-Organized (Formerly Named Niangua) | George M. Dallas, U.S. Vice President under James K. Polk | 15,661 | 542 sq mi (1,404 km²) |
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| Daviess County | 061 | Gallatin | 1836 | Formed from Un-Organized | Joseph Hamilton Daviess | 8,016 | 567 sq mi (1,469 km²) |
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| DeKalb County | 063 | Maysville | 1843 | Formed from Un-Organized | Johann de Kalb, Revolutionary War general | 11,597 | 424 sq mi (1,098 km²) |
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| Dent County | 065 | Salem | 1851 | Formed from Crawford and Shannon Counties | James Dent, settler | 14,927 | 754 sq mi (1,953 km²) |
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| Douglas County | 067 | Ava | 1857 | Formed from Ozark County | Stephen A. Douglas | 13,084 | 815 sq mi (2,111 km²) |
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| Dunklin County | 069 | Kennett | 1843 | Formed fron Stoddard County | Daniel Dunklin, governor | 33,155 | 546 sq mi (1,414 km²) |
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| Franklin County | 071 | Union | 1818 | Formed from St. Louis County | Benjamin Franklin, Founding Father | 93,807 | 922 sq mi (2,388 km²) |
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| Gasconade County | 073 | Hermann | 1821 | Formed from Franklin County | Gasconade River | 15,342 | 520 sq mi (1,347 km²) |
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| Gentry County | 075 | Albany | 1841 | Formed from Un-Organized | Col. Richard Gentry | 6,861 | 492 sq mi (1,274 km²) |
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| Greene County | 077 | Springfield | 1833 | Formed from Un-Organized | Nathanael Greene, Revolutionary War general | 240,391 | 675 sq mi (1,748 km²) |
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| Grundy County | 079 | Trenton | 1839 | Formed from Un-Organized | Felix Grundy, U.S. Attorney General | 10,432 | 436 sq mi (1,129 km²) |
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| Harrison County | 081 | Bethany | 1843 | Formed from Un-Organized | Albert G. Harrison, Congressman | 8,850 | 725 sq mi (1,878 km²) |
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| Henry County | 083 | Clinton | 1834 | Formed from Lafayette (Formerly named Rives) | Patrick Henry, Orator | 21,997 | 702 sq mi (1,818 km²) |
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| Hickory County | 085 | Hermitage | 1845 | Formed from Benton and Polk Counties | President Andrew Jackson, "Old Hickory" | 8,940 | 399 sq mi (1,033 km²) |
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| Holt County | 087 | Oregon | 1841 | Formed from Un-Organized | Dr. David Rice Holt, State Legislator | 5,351 | 462 sq mi (1,197 km²) |
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| Howard County | 089 | Fayette | 1816 | Formed from St. Louis County | Benjamin Howard, Governor MO territory | 10,212 | 466 sq mi (1,207 km²) |
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| Howell County | 091 | West Plains | 1857 | Formed from Oregon County | James Howell, settler | 37,238 | 928 sq mi (2,404 km²) |
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| Iron County | 093 | Ironton | 1857 | Formed from Dent, Morgan, Reynolds, St. Francois, Washington, and Wayne Counties | Iron (ore) | 10,697 | 551 sq mi (1,427 km²) |
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| Jackson County | 095 | Kansas City, Independence |
1826 | Formed from Lafayette County | Andrew Jackson, U.S. Senator (and later President) from Tennessee | 654,880 | 605 sq mi (1,567 km²) |
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| Jasper County | 097 | Carthage | 1841 | Formed from Un-Organized | Sgt. William Jasper, hero of the American Revolutionary War | 104,686 | 640 sq mi (1,658 km²) |
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| Jefferson County | 099 | Hillsboro | 1818 | Formed fron Sainte Genevieve and St. Louis counties | President Thomas Jefferson | 198,099 | 657 sq mi (1,702 km²) |
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| Johnson County | 101 | Warrensburg | 1834 | Formed from Lafayette and Van Buren Counties | Vice President Richard M. Johnson | 48,258 | 831 sq mi (2,152 km²) |
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| Knox County | 103 | Edina | 1843 | Formed from Scotland County | Secretary of War, Gen. Henry Knox | 4,361 | 506 sq mi (1,311 km²) |
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| Laclede County | 105 | Lebanon | 1849 | Formed from Camden and Pulaski Counties | Pierre Laclede, founder of St. Louis, Missouri | 32,513 | 766 sq mi (1,984 km²) |
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| Lafayette County | 107 | Lexington | 1821 | Formed from Cooper County (Former name Lillard until 1825) | Gilbert du Motier, the Marquis de Lafayette | 32,960 | 629 sq mi (1,629 km²) |
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| Lawrence County | 109 | Mount Vernon | 1843 | Formed from Bryan, Dade, and Newton counties | James Lawrence, naval officer | 35,204 | 613 sq mi (1,588 km²) |
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| Lewis County | 111 | Monticello | 1833 | Formed from Un-Organized | Meriwether Lewis, explorer and governor of the Louisiana Territory | 10,494 | 505 sq mi (1,308 km²) |
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| Lincoln County | 113 | Troy | 1818 | Formed from St. Charles County | President Abraham Lincoln | 38,944 | 630 sq mi (1,632 km²) |
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| Linn County | 115 | Linneus | 1837 | Formed from Chariton County | Lewis F. Linn, U.S. senator from Missouri | 13,754 | 620 sq mi (1,606 km²) |
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| Livingston County | 117 | Chillicothe | 1837 | Formed from Un-Organized | Secretary of State Edward Livingston | 14,558 | 535 sq mi (1,386 km²) |
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| Macon County | 121 | Macon | 1837 | Formed from Ralls | Nathaniel Macon, politician | 15,762 | 804 sq mi (2,082 km²) |
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| Madison County | 123 | Fredericktown | 1818 | Formed from Cape Girardeau County | President of the United States James Madison | 11,800 | 497 sq mi (1,287 km²) |
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| Maries County | 125 | Vienna | 1855 | Formed from Osage and Pulaski Counties | Maries River | 8,903 | 528 sq mi (1,368 km²) |
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| Marion County | 127 | Palmyra | 1826 | ? | Gen. Francis Marion | 28,289 | 438 sq mi (1,134 km²) |
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| McDonald County | 119 | Pineville | 1847 | Formed from Newton County (Formerly named Seneca County) | Sgt. Alexander McDonald | 21,681 | 540 sq mi (1,399 km²) |
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| Mercer County | 129 | Princeton | 1845 | ? | ? | 3,757 | 454 sq mi (1,176 km²) |
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| Miller County | 131 | Tuscumbia | 1837 | Formed from Cole and Pulaski Counties | John Miller, Governor and Congressman | 23,564 | 592 sq mi (1,533 km²) |
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| Mississippi County | 133 | Charleston | 1842 | Formed from Scott County | Mississippi River | 13,427 | 413 sq mi (1,070 km²) |
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| Moniteau County | 135 | California | 1845 | Formed from Cole and Morgan counties | Moniteau Creek | 14,827 | 416 sq mi (1,077 km²) |
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| Monroe County | 137 | Paris | 1831 | Formed from Ralls | President James Monroe | 9,311 | 646 sq mi (1,673 km²) |
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| Montgomery County | 139 | Montgomery City | 1818 | Formed from St. Charles County | Richard Montgomery, Revolutionary War general | 12,136 | 539 sq mi (1,396 km²) |
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| Morgan County | 141 | Versailles | 1833 | Formed from Cooper County | Daniel Morgan, Revolutionary War general | 19,309 | 598 sq mi (1,549 km²) |
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| New Madrid County | 143 | New Madrid | 1812 | One of the Original 5 Counties | Madrid, Spain | 19,760 | 678 sq mi (1,756 km²) |
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| Newton County | 145 | Neosho | 1838 | ? | John Newton, American Revolutionary War hero | 52,636 | 626 sq mi (1,621 km²) |
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| Nodaway County | 147 | Maryville | 1843 | Formed from Un-organized | Nodaway River | 21,912 | 877 sq mi (2,271 km²) |
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| Oregon County | 149 | Alton | 1841 | Formed from Ripley County | Oregon Territory | 10,344 | 792 sq mi (2,051 km²) |
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| Osage County | 151 | Linn | 1841 | Formed from Gasconade County | Osage River | 13,062 | 606 sq mi (1,570 km²) |
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| Ozark County | 153 | Gainesville | 1841 | Formed from Ripley counties (Formerly named Decatur (1843-1845) | Ozark Mountains | 9,542 | 747 sq mi (1,935 km²) |
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| Pemiscot County | 155 | Caruthersville | 1851 | Formed from New Madrid County | American Indian word | 20,047 | 493 sq mi (1,277 km²) |
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| Perry County | 157 | Perryville | 1821 | Formed from Sainte Geneviere County | Oliver Hazard Perry, naval war hero | 18,132 | 475 sq mi (1,230 km²) |
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| Pettis County | 159 | Sedalia | 1833 | Formed from Cooper and Saline Counties | Spencer Darwin Pettis, Congressman | 39,403 | 685 sq mi (1,774 km²) |
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| Phelps County | 161 | Rolla | 1857 | Formed from Crawford, Maries, and Pulaski Counties | John S. Phelps, Governor and Congressman | 39,825 | 673 sq mi (1,743 km²) |
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| Pike County | 163 | Bowling Green | 1818 | Formed from St. Charles County | Zebulon Pike, explorer | 18,351 | 673 sq mi (1,743 km²) |
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| Platte County | 165 | Platte City | 1838 | ? | Platte purchase | 73,781 | 420 sq mi (1,088 km²) |
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| Polk County | 167 | Bolivar | 1835 | Formed from Greene, Pulaski and St. Clair Counties | President James K. Polk | 26,992 | 637 sq mi (1,650 km²) |
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| Pulaski County | 169 | Waynesville | 1833 | Formed from Crawford | Kazimierz Pulaski, Revolutionary War general | 41,165 | 547 sq mi (1,417 km²) |
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| Putnam County | 171 | Unionville | 1843 | Formed from Un-Organized | Israel Putnam, Revolutionary War hero | 5,223 | 518 sq mi (1,342 km²) |
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| Ralls County | 173 | New London | 1821 | Formed from Howard and Pike Counties | Daniel Ralls, Missouri Legislator | 9,626 | 471 sq mi (1,220 km²) |
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| Randolph County | 175 | Huntsville | 1829 | Formed from Ralls County | John Randolph of Roanoke | 24,663 | 482 sq mi (1,248 km²) |
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| Ray County | 177 | Richmond | 1820 | Formed from Howard | John Ray, Missouri Legislator | 23,354 | 570 sq mi (1,476 km²) |
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| Reynolds County | 179 | Centerville | 1845 | Formed from Shannon County | Thomas Reynolds, Governor | 6,689 | 811 sq mi (2,100 km²) |
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| Ripley County | 181 | Doniphan | 1831 | Formed from Wayne | Gen. Eleazer Wheelock Ripley | 13,509 | 630 sq mi (1,632 km²) |
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| Saint Charles County | 183 | Saint Charles | 1812 | One of 5 original Missouri counties | St. Charles Borromeo | 283,883 | 561 sq mi (1,453 km²) |
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| Saint Clair County | 185 | Osceola | 1841 | ? | Gen. Arthur St. Clair | 9,652 | 677 sq mi (1,753 km²) |
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| Saint Francois County | 187 | Farmington | 1821 | Formed from Jefferson, Sainte Genevieve and Washington Counties | St. Francis of Assisi | 55,641 | 450 sq mi (1,165 km²) |
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| Saint Louis County | 189 | Clayton | 1812 | One of 5 original Missouri counties | St. Louis (King Louis IX of France) | 1,016,315 | 508 sq mi (1,316 km²) |
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| Saint Louis City | 510 | St. Louis | 1876 | Created in 1876 when city residents voted to secede from St. Louis County | St. Louis (King Louis IX of France) | 348,189 | 62 sq mi (161 km²) |
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| Sainte Genevieve County | 186 | Sainte Genevieve | 1812 | One of the Origianl 5 Counties | St. Genevieve, patroness of Paris, France | 17,842 | 502 sq mi (1,300 km²) |
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| Saline County | 195 | Marshall | 1820 | ? | Local Hot Springs | 23,756 | 756 sq mi (1,958 km²) |
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| Schuyler County | 197 | Lancaster | 1843 | Formed from Un-Organized | Gen. Philip Schuyler | 4,170 | 308 sq mi (798 km²) |
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| Scotland County | 199 | Memphis | 1841 | Formed from Un-organized | Scotland (country) | 4,983 | 438 sq mi (1,134 km²) |
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| Scott County | 201 | Benton | 1822 | Formed from New Madrid County | John Scott, Congressman | 40,422 | 421 sq mi (1,090 km²) |
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| Shannon County | 203 | Eminence | 1837 | Formed from Crawford, Greene, and Ripley counties | George F. "Peg-Leg" Shannon, explorer | 8,324 | 1,004 sq mi (2,600 km²) |
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| Shelby County |