Member
Population
Miles
Size
MissouriMissouri has 115 Counties.
|
Missouri Data Sets Missouri Links |
Missouri Association of Counties P.O. Box 234 Jefferson City, MO 65102-0234 Phone: (573) 634-2120 Fax: (573)634-3549 http://www.mocounties.com
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| County | NACo Member |
2010 Population |
Square Miles |
County Seat | Board Size |
Founded |
|---|---|---|---|---|---|---|
| Adair | |
25,607 | 567 | Kirksville | 3 | 1841 |
| Andrew | |
17,291 | 433 | Savannah | 3 | 1841 |
| Atchison | |
5,685 | 547 | Rock Port | 3 | 1845 |
| Audrain | |
25,529 | 692 | Mexico | 3 | 1836 |
| Barry | 35,597 | 778 | Cassville | 3 | 1835 | |
| Barton | |
12,402 | 592 | Lamar | 3 | 1855 |
| Bates | |
17,049 | 837 | Butler | 3 | 1841 |
| Benton | |
19,056 | 704 | Warsaw | 3 | 1835 |
| Bollinger | |
12,363 | 618 | Marble Hill | 3 | 1851 |
| Boone | |
162,642 | 685 | Columbia | 3 | 1820 |
| Buchanan | |
89,201 | 408 | Saint Joseph | 3 | 1838 |
| Butler | 42,794 | 695 | Poplar Bluff | 3 | 1849 | |
| Caldwell | |
9,424 | 426 | Kingston | 3 | 1836 |
| Callaway | |
44,332 | 835 | Fulton | 3 | 1820 |
| Camden | |
44,002 | 656 | Camdenton | 3 | 1841 |
| Cape Girardeau | |
75,674 | 579 | Jackson | 3 | 1812 |
| Carroll | |
9,295 | 695 | Carrollton | 3 | 1833 |
| Carter | |
6,265 | 507 | Van Buren | 3 | 1859 |
| Cass | |
99,478 | 697 | Harrisonville | 3 | 1835 |
| Cedar | |
13,982 | 474 | Stockton | 3 | 1845 |
| Chariton | |
7,831 | 751 | Keytesville | 3 | 1820 |
| Christian | |
77,422 | 563 | Ozark | 3 | 1859 |
| Clark | 7,139 | 505 | Kahoka | 3 | 1836 | |
| Clay | |
221,939 | 397 | Liberty | 3 | 1822 |
| Clinton | 20,743 | 419 | Plattsburg | 3 | 1833 | |
| Cole | |
75,990 | 394 | Jefferson City | 3 | 1820 |
| Cooper | |
17,601 | 565 | Boonville | 3 | 1818 |
| Crawford | 24,696 | 743 | Steelville | 3 | 1829 | |
| Dade | 7,883 | 490 | Greenfield | 3 | 1841 | |
| Dallas | |
16,777 | 541 | Buffalo | 3 | 1841 |
| Daviess | 8,433 | 563 | Gallatin | 3 | 1836 | |
| De Kalb | |
12,892 | 421 | Maysville | 3 | 1845 |
| Dent | |
15,657 | 753 | Salem | 3 | 1851 |
| Douglas | 13,684 | 814 | Ava | 3 | 1857 | |
| Dunklin | 31,953 | 541 | Kennett | 3 | 1845 | |
| Franklin | |
101,492 | 923 | Union | 3 | 1818 |
| Gasconade | |
15,222 | 518 | Hermann | 3 | 1820 |
| Gentry | |
6,738 | 491 | Albany | 3 | 1845 |
| Greene | |
275,174 | 675 | Springfield | 3 | 1833 |
| Grundy | |
10,261 | 435 | Trenton | 3 | 1841 |
| Harrison | |
8,957 | 723 | Bethany | 3 | 1845 |
| Henry | 22,272 | 697 | Clinton | 3 | 1834 | |
| Hickory | |
9,627 | 399 | Hermitage | 3 | 1845 |
| Holt | |
4,912 | 463 | Oregon | 3 | 1841 |
| Howard | |
10,144 | 464 | Fayette | 3 | 1816 |
| Howell | |
40,400 | 927 | West Plains | 3 | 1857 |
| Iron | |
10,630 | 550 | Ironton | 3 | 1857 |
| Jackson | |
674,158 | 604 | Kansas City and Independence | 9 | 1826 |
| Jasper | |
117,404 | 638 | Carthage | 3 | 1841 |
| Jefferson | 218,733 | 657 | Hillsboro | 7 | 1818 | |
| Johnson | |
52,595 | 829 | Warrensburg | 3 | 1834 |
| Knox | 4,131 | 504 | Edina | 3 | 1845 | |
| Laclede | |
35,571 | 765 | Lebanon | 3 | 1849 |
| Lafayette | |
33,381 | 628 | Lexington | 3 | 1820 |
| Lawrence | 38,634 | 612 | Mount Vernon | 3 | 1845 | |
| Lewis | 10,211 | 505 | Monticello | 3 | 1833 | |
| Lincoln | |
52,566 | 627 | Troy | 3 | 1818 |
| Linn | |
12,761 | 616 | Linneus | 3 | 1837 |
| Livingston | |
15,195 | 532 | Chillicothe | 3 | 1837 |
| Macon | |
15,566 | 801 | Macon | 3 | 1837 |
| Madison | |
12,226 | 494 | Fredericktown | 3 | 1818 |
| Maries | 9,176 | 527 | Vienna | 3 | 1855 | |
| Marion | |
28,781 | 437 | Palmyra | 3 | 1826 |
| McDonald | 23,083 | 539 | Pineville | 3 | 1849 | |
| Mercer | 3,785 | 454 | Princeton | 3 | 1845 | |
| Miller | 24,748 | 593 | Tuscumbia | 3 | 1837 | |
| Mississippi | |
14,358 | 412 | Charleston | 3 | 1845 |
| Moniteau | |
15,607 | 415 | California | 3 | 1845 |
| Monroe | 8,840 | 648 | Paris | 3 | 1831 | |
| Montgomery | 12,236 | 536 | Montgomery City | 3 | 1818 | |
| Morgan | |
20,565 | 598 | Versailles | 3 | 1833 |
| New Madrid | |
18,956 | 675 | New Madrid | 3 | 1812 |
| Newton | 58,114 | 625 | Neosho | 3 | 1838 | |
| Nodaway | |
23,370 | 877 | Maryville | 3 | 1845 |
| Oregon | |
10,881 | 790 | Alton | 3 | 1845 |
| Osage | 13,878 | 604 | Linn | 3 | 1841 | |
| Ozark | |
9,723 | 745 | Gainesville | 3 | 1841 |
| Pemiscot | 18,296 | 493 | Caruthersville | 3 | 1851 | |
| Perry | |
18,971 | 474 | Perryville | 3 | 1820 |
| Pettis | |
42,201 | 682 | Sedalia | 3 | 1833 |
| Phelps | |
45,156 | 672 | Rolla | 3 | 1857 |
| Pike | 18,516 | 670 | Bowling Green | 3 | 1818 | |
| Platte | |
89,322 | 420 | Platte City | 3 | 1838 |
| Polk | |
31,137 | 636 | Bolivar | 3 | 1835 |
| Pulaski | 52,274 | 547 | Waynesville | 3 | 1833 | |
| Putnam | 4,979 | 517 | Unionville | 3 | 1845 | |
| Ralls | |
10,167 | 470 | New London | 3 | 1820 |
| Randolph | |
25,414 | 483 | Huntsville | 3 | 1829 |
| Ray | |
23,494 | 569 | Richmond | 3 | 1820 |
| Reynolds | |
6,696 | 808 | Centerville | 3 | 1845 |
| Ripley | |
14,100 | 630 | Doniphan | 3 | 1833 |
| Saline | 23,370 | 756 | Marshall | 3 | 1820 | |
| Schuyler | 4,431 | 307 | Lancaster | 3 | 1845 | |
| Scotland | 4,843 | 437 | Memphis | 3 | 1841 | |
| Scott | |
39,191 | 420 | Benton | 3 | 1821 |
| Shannon | |
8,441 | 1,004 | Eminence | 3 | 1841 |
| Shelby | 6,373 | 501 | Shelbyville | 3 | 1835 | |
| St. Charles | 360,485 | 560 | Saint Charles | 7 | 1812 | |
| St. Clair | |
9,805 | 670 | Osceola | 3 | 1841 |
| St. Francois | |
65,359 | 452 | Farmington | 3 | 1821 |
| St. Louis | 998,954 | 508 | Clayton | 7 | 1812 | |
| St. Louis City | 319,294 | 62 | St. Louis | 29 | 1764 | |
| Ste. Genevieve | 18,145 | 499 | Sainte Genevieve | 3 | 1812 | |
| Stoddard | 29,968 | 823 | Bloomfield | 3 | 1835 | |
| Stone | |
32,202 | 464 | Galena | 3 | 1851 |
| Sullivan | |
6,714 | 648 | Milan | 3 | 1845 |
| Taney | |
51,675 | 632 | Forsyth | 3 | 1837 |
| Texas | |
26,008 | 1,177 | Houston | 3 | 1845 |
| Vernon | |
21,159 | 826 | Nevada | 3 | 1851 |
| Warren | |
32,513 | 429 | Warrenton | 3 | 1833 |
| Washington | |
25,195 | 760 | Potosi | 3 | 1813 |
| Wayne | |
13,521 | 759 | Greenville | 3 | 1818 |
| Webster | |
36,202 | 593 | Marshfield | 3 | 1855 |
| Worth | 2,171 | 267 | Grant City | 3 | 1861 | |
| Wright | |
18,815 | 682 | Hartville | 3 | 1861 |