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 |
&0000000000024977.00000024,977 |
&0000000000000568.000000568 sq mi
(&0000000000001471.0000001,471 km²) |
 |
| Andrew County |
003 |
Savannah |
1841 |
Formed from Un-Organized |
lawyer Andrew Jackson Davis |
&0000000000016492.00000016,492 |
&0000000000000435.000000435 sq mi
(&0000000000001127.0000001,127 km²) |
 |
| Atchison County |
005 |
Rock Port |
1843 |
Part of Holt County (Formerly named Allen) |
Sen. David Rice Atchison |
&0000000000006430.0000006,430 |
&0000000000000545.000000545 sq mi
(&0000000000001412.0000001,412 km²) |
 |
| Audrain County |
007 |
Mexico |
1831 |
Formed from Ralls |
(disputed) |
&0000000000025853.00000025,853 |
&0000000000000693.000000693 sq mi
(&0000000000001795.0000001,795 km²) |
 |
| Barry County |
009 |
Cassville |
1835 |
Formed from Greene County |
William Taylor Barry, United States Postmaster General |
&0000000000034010.00000034,010 |
&0000000000000779.000000779 sq mi
(&0000000000002018.0000002,018 km²) |
 |
| Barton County |
011 |
Lamar |
1855 |
Formed from Jasper |
Sen. David Barton |
&0000000000012541.00000012,541 |
&0000000000000594.000000594 sq mi
(&0000000000001538.0000001,538 km²) |
 |
| Bates County |
013 |
Butler |
1841 |
Formed from Jackson, and Lafayette Counties |
Gov. Frederick Bates |
&0000000000016653.00000016,653 |
&0000000000000848.000000848 sq mi
(&0000000000002196.0000002,196 km²) |
 |
| Benton County |
015 |
Warsaw |
1835 |
Formed from Pettis and St. Clair County |
Sen. Thomas Hart Benton |
&0000000000017180.00000017,180 |
&0000000000000706.000000706 sq mi
(&0000000000001829.0000001,829 km²) |
 |
| Bollinger County |
017 |
Marble Hill |
1851 |
Formed from Cape Girardeau, Stoddard, and Wayne counties |
George Frederick Bollinger |
&0000000000012029.00000012,029 |
&0000000000000621.000000621 sq mi
(&0000000000001608.0000001,608 km²) |
 |
| Boone County |
019 |
Columbia |
1821 |
Formed from Howard |
frontiersman Daniel Boone |
&0000000000135454.000000135,454 |
&0000000000000685.000000685 sq mi
(&0000000000001774.0000001,774 km²) |
 |
| Buchanan County |
021 |
Saint Joseph |
1838 |
Part of Platte County |
President James Buchanan |
&0000000000085998.00000085,998 |
&0000000000000410.000000410 sq mi
(&0000000000001062.0000001,062 km²) |
 |
| Butler County |
023 |
Poplar Bluff |
1849 |
Formed from Wayne County |
William O. Butler, U.S. Representative from Kentucky |
&0000000000040867.00000040,867 |
&0000000000000698.000000698 sq mi
(&0000000000001808.0000001,808 km²) |
 |
| Caldwell County |
025 |
Kingston |
1836 |
Formed from Un-Organized |
Caldwell, Indian Fighter |
&0000000000008969.0000008,969 |
&0000000000000429.000000429 sq mi
(&0000000000001111.0000001,111 km²) |
 |
| Callaway County |
027 |
Fulton |
1821 |
Un-Organized Area |
Capt. James Callaway |
&0000000000040766.00000040,766 |
&0000000000000839.000000839 sq mi
(&0000000000002173.0000002,173 km²) |
 |
| Camden County |
029 |
Camdenton |
1841 |
Formed from Benton and Pulaski counties (Formerly named Kinderhook) |
Charles Pratt, 1st Earl Camden |
&0000000000037051.00000037,051 |
&0000000000000655.000000655 sq mi
(&0000000000001696.0000001,696 km²) |
 |
| Cape Girardeau County |
031 |
Jackson |
1812 |
One of the Original 5 Counties |
Ensign Sieur Jean Baptiste de Girardot (Girardeau) |
&0000000000068693.00000068,693 |
&0000000000000579.000000579 sq mi
(&0000000000001500.0000001,500 km²) |
 |
| Carroll County |
033 |
Carrollton |
1833 |
Formed from Un-Organized |
founding father - Charles Carroll |
&0000000000010285.00000010,285 |
&0000000000000695.000000695 sq mi
(&0000000000001800.0000001,800 km²) |
 |
| Carter County |
035 |
Van Buren |
1859 |
Formed from Reynolds, Ripley, and Shannon counties |
Zimri Carter |
&0000000000005941.0000005,941 |
&0000000000000508.000000508 sq mi
(&0000000000001316.0000001,316 km²) |
 |
| Cass County |
037 |
Harrisonville |
1833 |
Formed from Jackson and Lafayette Counties (Formerly named Van Buren) |
Lewis Cass, senator from Michigan |
&0000000000082092.00000082,092 |
&0000000000000699.000000699 sq mi
(&0000000000001810.0000001,810 km²) |
 |
| Cedar County |
039 |
Stockton |
1845 |
Formed from Dade and St. Clair Counties |
Eastern Red Cedar tree |
&0000000000013733.00000013,733 |
&0000000000000476.000000476 sq mi
(&0000000000001233.0000001,233 km²) |
 |
| Chariton County |
041 |
Keytesville |
1821 |
Formed from Howard and Pike Counties |
Chariton River |
&0000000000008438.0000008,438 |
&0000000000000756.000000756 sq mi
(&0000000000001958.0000001,958 km²) |
 |
| Christian County |
043 |
Ozark |
1859 |
Formed from Greene, Taney, and Webster Counties |
William Christian, soldier |
&0000000000054285.00000054,285 |
&0000000000000563.000000563 sq mi
(&0000000000001458.0000001,458 km²) |
 |
| Clark County |
045 |
Kahoka |
1836 |
Formed from Un-Organized |
William Clark (explorer) |
&0000000000007416.0000007,416 |
&0000000000000507.000000507 sq mi
(&0000000000001313.0000001,313 km²) |
 |
| Clay County |
047 |
Liberty |
1822 |
Formed from Ray County |
US statesman Henry Clay from Kentucky |
&0000000000184006.000000184,006 |
&0000000000000396.000000396 sq mi
(&0000000000001026.0000001,026 km²) |
 |
| Clinton County |
049 |
Plattsburg |
1833 |
Formed from Un-Organized |
George Clinton (vice president) |
&0000000000018979.00000018,979 |
&0000000000000419.000000419 sq mi
(&0000000000001085.0000001,085 km²) |
 |
| Cole County |
051 |
Jefferson City |
1820 |
Formed from Cooper County |
Capt. Stephen Cole, pioneer |
&0000000000071397.00000071,397 |
&0000000000000392.000000392 sq mi
(&0000000000001015.0000001,015 km²) |
 |
| Cooper County |
053 |
Boonville |
1818 |
Formed from Howard |
Sarshall Cooper, pioneer |
&0000000000016670.00000016,670 |
&0000000000000565.000000565 sq mi
(&0000000000001463.0000001,463 km²) |
 |
| Crawford County |
055 |
Steelville |
1829 |
Formed from Un-Organized Area |
William H. Crawford |
&0000000000022804.00000022,804 |
&0000000000000743.000000743 sq mi
(&0000000000001924.0000001,924 km²) |
 |
| Dade County |
057 |
Greenfield |
1841 |
Formed from Un-Organized |
Major Francis L. Dade |
&0000000000007923.0000007,923 |
&0000000000000490.000000490 sq mi
(&0000000000001269.0000001,269 km²) |
 |
| Dallas County |
059 |
Buffalo |
1841 |
Formed from Un-Organized (Formerly Named Niangua) |
George M. Dallas, U.S. Vice President under James K. Polk |
&0000000000015661.00000015,661 |
&0000000000000542.000000542 sq mi
(&0000000000001404.0000001,404 km²) |
 |
| Daviess County |
061 |
Gallatin |
1836 |
Formed from Un-Organized |
Joseph Hamilton Daviess |
&0000000000008016.0000008,016 |
&0000000000000567.000000567 sq mi
(&0000000000001469.0000001,469 km²) |
 |
| DeKalb County |
063 |
Maysville |
1843 |
Formed from Un-Organized |
Johann de Kalb, Revolutionary War general |
&0000000000011597.00000011,597 |
&0000000000000424.000000424 sq mi
(&0000000000001098.0000001,098 km²) |
 |
| Dent County |
065 |
Salem |
1851 |
Formed from Crawford and Shannon Counties |
James Dent, settler |
&0000000000014927.00000014,927 |
&0000000000000754.000000754 sq mi
(&0000000000001953.0000001,953 km²) |
 |
| Douglas County |
067 |
Ava |
1857 |
Formed from Ozark County |
Stephen A. Douglas |
&0000000000013084.00000013,084 |
&0000000000000815.000000815 sq mi
(&0000000000002111.0000002,111 km²) |
 |
| Dunklin County |
069 |
Kennett |
1843 |
Formed fron Stoddard County |
Daniel Dunklin, governor |
&0000000000033155.00000033,155 |
&0000000000000546.000000546 sq mi
(&0000000000001414.0000001,414 km²) |
 |
| Franklin County |
071 |
Union |
1818 |
Formed from St. Louis County |
Benjamin Franklin, Founding Father |
&0000000000093807.00000093,807 |
&0000000000000922.000000922 sq mi
(&0000000000002388.0000002,388 km²) |
 |
| Gasconade County |
073 |
Hermann |
1821 |
Formed from Franklin County |
Gasconade River |
&0000000000015342.00000015,342 |
&0000000000000520.000000520 sq mi
(&0000000000001347.0000001,347 km²) |
 |
| Gentry County |
075 |
Albany |
1841 |
Formed from Un-Organized |
Col. Richard Gentry |
&0000000000006861.0000006,861 |
&0000000000000492.000000492 sq mi
(&0000000000001274.0000001,274 km²) |
 |
| Greene County |
077 |
Springfield |
1833 |
Formed from Un-Organized |
Nathanael Greene, Revolutionary War general |
&0000000000240391.000000240,391 |
&0000000000000675.000000675 sq mi
(&0000000000001748.0000001,748 km²) |
 |
| Grundy County |
079 |
Trenton |
1839 |
Formed from Un-Organized |
Felix Grundy, U.S. Attorney General |
&0000000000010432.00000010,432 |
&0000000000000436.000000436 sq mi
(&0000000000001129.0000001,129 km²) |
 |
| Harrison County |
081 |
Bethany |
1843 |
Formed from Un-Organized |
Albert G. Harrison, Congressman |
&0000000000008850.0000008,850 |
&0000000000000725.000000725 sq mi
(&0000000000001878.0000001,878 km²) |
 |
| Henry County |
083 |
Clinton |
1834 |
Formed from Lafayette (Formerly named Rives) |
Patrick Henry, Orator |
&0000000000021997.00000021,997 |
&0000000000000702.000000702 sq mi
(&0000000000001818.0000001,818 km²) |
 |
| Hickory County |
085 |
Hermitage |
1845 |
Formed from Benton and Polk Counties |
President Andrew Jackson, "Old Hickory" |
&0000000000008940.0000008,940 |
&0000000000000399.000000399 sq mi
(&0000000000001033.0000001,033 km²) |
 |
| Holt County |
087 |
Oregon |
1841 |
Formed from Un-Organized |
Dr. David Rice Holt, State Legislator |
&0000000000005351.0000005,351 |
&0000000000000462.000000462 sq mi
(&0000000000001197.0000001,197 km²) |
 |
| Howard County |
089 |
Fayette |
1816 |
Formed from St. Louis County |
Benjamin Howard, Governor MO territory |
&0000000000010212.00000010,212 |
&0000000000000466.000000466 sq mi
(&0000000000001207.0000001,207 km²) |
 |
| Howell County |
091 |
West Plains |
1857 |
Formed from Oregon County |
James Howell, settler |
&0000000000037238.00000037,238 |
&0000000000000928.000000928 sq mi
(&0000000000002404.0000002,404 km²) |
 |
| Iron County |
093 |
Ironton |
1857 |
Formed from Dent, Morgan, Reynolds, St. Francois, Washington, and Wayne Counties |
Iron (ore) |
&0000000000010697.00000010,697 |
&0000000000000551.000000551 sq mi
(&0000000000001427.0000001,427 km²) |
 |
| Jackson County |
095 |
Kansas City,
Independence |
1826 |
Formed from Lafayette County |
Andrew Jackson, U.S. Senator (and later President) from Tennessee |
&0000000000654880.000000654,880 |
&0000000000000605.000000605 sq mi
(&0000000000001567.0000001,567 km²) |
 |
| Jasper County |
097 |
Carthage |
1841 |
Formed from Un-Organized |
Sgt. William Jasper, hero of the American Revolutionary War |
&0000000000104686.000000104,686 |
&0000000000000640.000000640 sq mi
(&0000000000001658.0000001,658 km²) |
 |
| Jefferson County |
099 |
Hillsboro |
1818 |
Formed fron Sainte Genevieve and St. Louis counties |
President Thomas Jefferson |
&0000000000198099.000000198,099 |
&0000000000000657.000000657 sq mi
(&0000000000001702.0000001,702 km²) |
 |
| Johnson County |
101 |
Warrensburg |
1834 |
Formed from Lafayette and Van Buren Counties |
Vice President Richard M. Johnson |
&0000000000048258.00000048,258 |
&0000000000000831.000000831 sq mi
(&0000000000002152.0000002,152 km²) |
 |
| Knox County |
103 |
Edina |
1843 |
Formed from Scotland County |
Secretary of War, Gen. Henry Knox |
&0000000000004361.0000004,361 |
&0000000000000506.000000506 sq mi
(&0000000000001311.0000001,311 km²) |
 |
| Laclede County |
105 |
Lebanon |
1849 |
Formed from Camden and Pulaski Counties |
Pierre Laclede, founder of St. Louis, Missouri |
&0000000000032513.00000032,513 |
&0000000000000766.000000766 sq mi
(&0000000000001984.0000001,984 km²) |
 |
| Lafayette County |
107 |
Lexington |
1821 |
Formed from Cooper County (Former name Lillard until 1825) |
Gilbert du Motier, the Marquis de Lafayette |
&0000000000032960.00000032,960 |
&0000000000000629.000000629 sq mi
(&0000000000001629.0000001,629 km²) |
 |
| Lawrence County |
109 |
Mount Vernon |
1843 |
Formed from Bryan, Dade, and Newton counties |
James Lawrence, naval officer |
&0000000000035204.00000035,204 |
&0000000000000613.000000613 sq mi
(&0000000000001588.0000001,588 km²) |
 |
| Lewis County |
111 |
Monticello |
1833 |
Formed from Un-Organized |
Meriwether Lewis, explorer and governor of the Louisiana Territory |
&0000000000010494.00000010,494 |
&0000000000000505.000000505 sq mi
(&0000000000001308.0000001,308 km²) |
 |
| Lincoln County |
113 |
Troy |
1818 |
Formed from St. Charles County |
President Abraham Lincoln |
&0000000000038944.00000038,944 |
&0000000000000630.000000630 sq mi
(&0000000000001632.0000001,632 km²) |
 |
| Linn County |
115 |
Linneus |
1837 |
Formed from Chariton County |
Lewis F. Linn, U.S. senator from Missouri |
&0000000000013754.00000013,754 |
&0000000000000620.000000620 sq mi
(&0000000000001606.0000001,606 km²) |
 |
| Livingston County |
117 |
Chillicothe |
1837 |
Formed from Un-Organized |
Secretary of State Edward Livingston |
&0000000000014558.00000014,558 |
&0000000000000535.000000535 sq mi
(&0000000000001386.0000001,386 km²) |
 |
| Macon County |
121 |
Macon |
1837 |
Formed from Ralls |
Nathaniel Macon, politician |
&0000000000015762.00000015,762 |
&0000000000000804.000000804 sq mi
(&0000000000002082.0000002,082 km²) |
 |
| Madison County |
123 |
Fredericktown |
1818 |
Formed from Cape Girardeau County |
President of the United States James Madison |
&0000000000011800.00000011,800 |
&0000000000000497.000000497 sq mi
(&0000000000001287.0000001,287 km²) |
 |
| Maries County |
125 |
Vienna |
1855 |
Formed from Osage and Pulaski Counties |
Maries River |
&0000000000008903.0000008,903 |
&0000000000000528.000000528 sq mi
(&0000000000001368.0000001,368 km²) |
 |
| Marion County |
127 |
Palmyra |
1826 |
? |
Gen. Francis Marion |
&0000000000028289.00000028,289 |
&0000000000000438.000000438 sq mi
(&0000000000001134.0000001,134 km²) |
 |
| McDonald County |
119 |
Pineville |
1847 |
Formed from Newton County (Formerly named Seneca County) |
Sgt. Alexander McDonald |
&0000000000021681.00000021,681 |
&0000000000000540.000000540 sq mi
(&0000000000001399.0000001,399 km²) |
 |
| Mercer County |
129 |
Princeton |
1845 |
? |
? |
&0000000000003757.0000003,757 |
&0000000000000454.000000454 sq mi
(&0000000000001176.0000001,176 km²) |
 |
| Miller County |
131 |
Tuscumbia |
1837 |
Formed from Cole and Pulaski Counties |
John Miller, Governor and Congressman |
&0000000000023564.00000023,564 |
&0000000000000592.000000592 sq mi
(&0000000000001533.0000001,533 km²) |
 |
| Mississippi County |
133 |
Charleston |
1842 |
Formed from Scott County |
Mississippi River |
&0000000000013427.00000013,427 |
&0000000000000413.000000413 sq mi
(&0000000000001070.0000001,070 km²) |
 |
| Moniteau County |
135 |
California |
1845 |
Formed from Cole and Morgan counties |
Moniteau Creek |
&0000000000014827.00000014,827 |
&0000000000000416.000000416 sq mi
(&0000000000001077.0000001,077 km²) |
 |
| Monroe County |
137 |
Paris |
1831 |
Formed from Ralls |
President James Monroe |
&0000000000009311.0000009,311 |
&0000000000000646.000000646 sq mi
(&0000000000001673.0000001,673 km²) |
 |
| Montgomery County |
139 |
Montgomery City |
1818 |
Formed from St. Charles County |
Richard Montgomery, Revolutionary War general |
&0000000000012136.00000012,136 |
&0000000000000539.000000539 sq mi
(&0000000000001396.0000001,396 km²) |
 |
| Morgan County |
141 |
Versailles |
1833 |
Formed from Cooper County |
Daniel Morgan, Revolutionary War general |
&0000000000019309.00000019,309 |
&0000000000000598.000000598 sq mi
(&0000000000001549.0000001,549 km²) |
 |
| New Madrid County |
143 |
New Madrid |
1812 |
One of the Original 5 Counties |
Madrid, Spain |
&0000000000019760.00000019,760 |
&0000000000000678.000000678 sq mi
(&0000000000001756.0000001,756 km²) |
 |
| Newton County |
145 |
Neosho |
1838 |
? |
John Newton, American Revolutionary War hero |
&0000000000052636.00000052,636 |
&0000000000000626.000000626 sq mi
(&0000000000001621.0000001,621 km²) |
 |
| Nodaway County |
147 |
Maryville |
1843 |
Formed from Un-organized |
Nodaway River |
&0000000000021912.00000021,912 |
&0000000000000877.000000877 sq mi
(&0000000000002271.0000002,271 km²) |
 |
| Oregon County |
149 |
Alton |
1841 |
Formed from Ripley County |
Oregon Territory |
&0000000000010344.00000010,344 |
&0000000000000792.000000792 sq mi
(&0000000000002051.0000002,051 km²) |
 |
| Osage County |
151 |
Linn |
1841 |
Formed from Gasconade County |
Osage River |
&0000000000013062.00000013,062 |
&0000000000000606.000000606 sq mi
(&0000000000001570.0000001,570 km²) |
 |
| Ozark County |
153 |
Gainesville |
1841 |
Formed from Ripley counties (Formerly named Decatur (1843-1845) |
Ozark Mountains |
&0000000000009542.0000009,542 |
&0000000000000747.000000747 sq mi
(&0000000000001935.0000001,935 km²) |
 |
| Pemiscot County |
155 |
Caruthersville |
1851 |
Formed from New Madrid County |
American Indian word |
&0000000000020047.00000020,047 |
&0000000000000493.000000493 sq mi
(&0000000000001277.0000001,277 km²) |
 |
| Perry County |
157 |
Perryville |
1821 |
Formed from Sainte Geneviere County |
Oliver Hazard Perry, naval war hero |
&0000000000018132.00000018,132 |
&0000000000000475.000000475 sq mi
(&0000000000001230.0000001,230 km²) |
 |
| Pettis County |
159 |
Sedalia |
1833 |
Formed from Cooper and Saline Counties |
Spencer Darwin Pettis, Congressman |
&0000000000039403.00000039,403 |
&0000000000000685.000000685 sq mi
(&0000000000001774.0000001,774 km²) |
 |
| Phelps County |
161 |
Rolla |
1857 |
Formed from Crawford, Maries, and Pulaski Counties |
John S. Phelps, Governor and Congressman |
&0000000000039825.00000039,825 |
&0000000000000673.000000673 sq mi
(&0000000000001743.0000001,743 km²) |
 |
| Pike County |
163 |
Bowling Green |
1818 |
Formed from St. Charles County |
Zebulon Pike, explorer |
&0000000000018351.00000018,351 |
&0000000000000673.000000673 sq mi
(&0000000000001743.0000001,743 km²) |
 |
| Platte County |
165 |
Platte City |
1838 |
? |
Platte purchase |
&0000000000073781.00000073,781 |
&0000000000000420.000000420 sq mi
(&0000000000001088.0000001,088 km²) |
 |
| Polk County |
167 |
Bolivar |
1835 |
Formed from Greene, Pulaski and St. Clair Counties |
President James K. Polk |
&0000000000026992.00000026,992 |
&0000000000000637.000000637 sq mi
(&0000000000001650.0000001,650 km²) |
 |
| Pulaski County |
169 |
Waynesville |
1833 |
Formed from Crawford |
Kazimierz Pulaski, Revolutionary War general |
&0000000000041165.00000041,165 |
&0000000000000547.000000547 sq mi
(&0000000000001417.0000001,417 km²) |
 |
| Putnam County |
171 |
Unionville |
1843 |
Formed from Un-Organized |
Israel Putnam, Revolutionary War hero |
&0000000000005223.0000005,223 |
&0000000000000518.000000518 sq mi
(&0000000000001342.0000001,342 km²) |
 |
| Ralls County |
173 |
New London |
1821 |
Formed from Howard and Pike Counties |
Daniel Ralls, Missouri Legislator |
&0000000000009626.0000009,626 |
&0000000000000471.000000471 sq mi
(&0000000000001220.0000001,220 km²) |
 |
| Randolph County |
175 |
Huntsville |
1829 |
Formed from Ralls County |
John Randolph of Roanoke |
&0000000000024663.00000024,663 |
&0000000000000482.000000482 sq mi
(&0000000000001248.0000001,248 km²) |
 |
| Ray County |
177 |
Richmond |
1820 |
Formed from Howard |
John Ray, Missouri Legislator |
&0000000000023354.00000023,354 |
&0000000000000570.000000570 sq mi
(&0000000000001476.0000001,476 km²) |
 |
| Reynolds County |
179 |
Centerville |
1845 |
Formed from Shannon County |
Thomas Reynolds, Governor |
&0000000000006689.0000006,689 |
&0000000000000811.000000811 sq mi
(&0000000000002100.0000002,100 km²) |
 |
| Ripley County |
181 |
Doniphan |
1831 |
Formed from Wayne |
Gen. Eleazer Wheelock Ripley |
&0000000000013509.00000013,509 |
&0000000000000630.000000630 sq mi
(&0000000000001632.0000001,632 km²) |
 |
| Saint Charles County |
183 |
Saint Charles |
1812 |
One of 5 original Missouri counties |
St. Charles Borromeo |
&0000000000283883.000000283,883 |
&0000000000000561.000000561 sq mi
(&0000000000001453.0000001,453 km²) |
 |
| Saint Clair County |
185 |
Osceola |
1841 |
? |
Gen. Arthur St. Clair |
&0000000000009652.0000009,652 |
&0000000000000677.000000677 sq mi
(&0000000000001753.0000001,753 km²) |
 |
| Saint Francois County |
187 |
Farmington |
1821 |
Formed from Jefferson, Sainte Genevieve and Washington Counties |
St. Francis of Assisi |
&0000000000055641.00000055,641 |
&0000000000000450.000000450 sq mi
(&0000000000001165.0000001,165 km²) |
 |
| Saint Louis County |
189 |
Clayton |
1812 |
One of 5 original Missouri counties |
St. Louis (King Louis IX of France) |
&0000000001016315.0000001,016,315 |
&0000000000000508.000000508 sq mi
(&0000000000001316.0000001,316 km²) |
 |
| 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) |
&0000000000348189.000000348,189 |
&0000000000000062.00000062 sq mi
(&0000000000000161.000000161 km²) |
 |
| Sainte Genevieve County |
186 |
Sainte Genevieve |
1812 |
One of the Origianl 5 Counties |
St. Genevieve, patroness of Paris, France |
&0000000000017842.00000017,842 |
&0000000000000502.000000502 sq mi
(&0000000000001300.0000001,300 km²) |
 |
| Saline County |
195 |
Marshall |
1820 |
? |
Local Hot Springs |
&0000000000023756.00000023,756 |
&0000000000000756.000000756 sq mi
(&0000000000001958.0000001,958 km²) |
 |
| Schuyler County |
197 |
Lancaster |
1843 |
Formed from Un-Organized |
Gen. Philip Schuyler |
&0000000000004170.0000004,170 |
&0000000000000308.000000308 sq mi
(&0000000000000798.000000798 km²) |
 |
| Scotland County |
199 |
Memphis |
1841 |
Formed from Un-organized |
Scotland (country) |
&0000000000004983.0000004,983 |
&0000000000000438.000000438 sq mi
(&0000000000001134.0000001,134 km²) |
 |
| Scott County |
201 |
Benton |
1822 |
Formed from New Madrid County |
John Scott, Congressman |
&0000000000040422.00000040,422 |
&0000000000000421.000000421 sq mi
(&0000000000001090.0000001,090 km²) |
 |
| Shannon County |
203 |
Eminence |
1837 |
Formed from Crawford, Greene, and Ripley counties |
George F. "Peg-Leg" Shannon, explorer |
&0000000000008324.0000008,324 |
&0000000000001004.0000001,004 sq mi
(&0000000000002600.0000002,600 km²) |
 |
| Shelby County |
205 |
Shelbyville |
1835 |
Formed from Un-Organized |
Isaac Shelby |
&0000000000006799.0000006,799 |
&0000000000000501.000000501 sq mi
(&0000000000001298.0000001,298 km²) |
 |
| Stoddard County |
207 |
Bloomfield |
1829 |
Formed from Cape Girardeau County |
Amos Stoddard |
&0000000000029705.00000029,705 |
&0000000000000827.000000827 sq mi
(&0000000000002142.0000002,142 km²) |
 |
| Stone County |
209 |
Galena |
1851 |
Formed from Taney County |
? |
&0000000000028658.00000028,658 |
&0000000000000463.000000463 sq mi
(&0000000000001199.0000001,199 km²) |
|