| Rank |
County |
Land Area |
| 1 |
Texas County, Missouri
|
1,177.3
|
| 2 |
Shannon County, Missouri
|
1,003.8
|
| 3 |
Howell County, Missouri
|
927.2
|
| 4 |
Franklin County, Missouri
|
922.7
|
| 5 |
Nodaway County, Missouri
|
877.0
|
| 6 |
Bates County, Missouri
|
836.7
|
| 7 |
Callaway County, Missouri
|
834.6
|
| 8 |
Johnson County, Missouri
|
829.3
|
| 9 |
Vernon County, Missouri
|
826.4
|
| 10 |
Stoddard County, Missouri
|
823.2
|
| 11 |
Douglas County, Missouri
|
813.6
|
| 12 |
Reynolds County, Missouri
|
808.5
|
| 13 |
Macon County, Missouri
|
801.2
|
| 14 |
Oregon County, Missouri
|
789.8
|
| 15 |
Barry County, Missouri
|
778.2
|
| 16 |
Laclede County, Missouri
|
764.7
|
| 17 |
Washington County, Missouri
|
759.9
|
| 18 |
Wayne County, Missouri
|
759.2
|
| 19 |
Saline County, Missouri
|
755.5
|
| 20 |
Dent County, Missouri
|
752.8
|
| 21 |
Chariton County, Missouri
|
751.2
|
| 22 |
Ozark County, Missouri
|
745.0
|
| 23 |
Crawford County, Missouri
|
742.5
|
| 24 |
Harrison County, Missouri
|
722.5
|
| 25 |
Benton County, Missouri
|
704.1
|
| 26 |
Henry County, Missouri
|
697.0
|
| 27 |
Cass County, Missouri
|
696.8
|
| 28 |
Butler County, Missouri
|
694.7
|
| 29 |
Carroll County, Missouri
|
694.6
|
| 30 |
Audrain County, Missouri
|
692.2
|
| 31 |
Boone County, Missouri
|
685.4
|
| 32 |
Pettis County, Missouri
|
682.2
|
| 33 |
Wright County, Missouri
|
681.8
|
| 34 |
Greene County, Missouri
|
675.3
|
| 35 |
New Madrid County, Missouri
|
674.8
|
| 36 |
Phelps County, Missouri
|
671.8
|
| 37 |
Pike County, Missouri
|
670.4
|
| 38 |
St Clair County, Missouri
|
670.0
|
| 39 |
Jefferson County, Missouri
|
656.6
|
| 40 |
Camden County, Missouri
|
655.9
|
| 41 |
Sullivan County, Missouri
|
648.0
|
| 42 |
Monroe County, Missouri
|
647.6
|
| 43 |
Jasper County, Missouri
|
638.5
|
| 44 |
Polk County, Missouri
|
635.5
|
| 45 |
Taney County, Missouri
|
632.4
|
| 46 |
Ripley County, Missouri
|
629.5
|
| 47 |
Lafayette County, Missouri
|
628.4
|
| 48 |
Lincoln County, Missouri
|
626.6
|
| 49 |
Newton County, Missouri
|
624.8
|
| 50 |
Bollinger County, Missouri
|
617.9
|
| 51 |
Linn County, Missouri
|
615.6
|
| 52 |
Lawrence County, Missouri
|
611.7
|
| 53 |
Jackson County, Missouri
|
604.5
|
| 54 |
Osage County, Missouri
|
604.4
|
| 55 |
Morgan County, Missouri
|
597.6
|
| 56 |
Miller County, Missouri
|
592.6
|
| 57 |
Webster County, Missouri
|
592.6
|
| 58 |
Barton County, Missouri
|
591.9
|
| 59 |
Cape Girardeau County, Missouri
|
578.5
|
| 60 |
Ray County, Missouri
|
568.8
|
| 61 |
Adair County, Missouri
|
567.3
|
| 62 |
Cooper County, Missouri
|
564.8
|
| 63 |
Daviess County, Missouri
|
563.2
|
| 64 |
Christian County, Missouri
|
562.6
|
| 65 |
St Charles County, Missouri
|
560.4
|
| 66 |
Iron County, Missouri
|
550.3
|
| 67 |
Atchison County, Missouri
|
547.3
|
| 68 |
Pulaski County, Missouri
|
547.1
|
| 69 |
Dunklin County, Missouri
|
541.1
|
| 70 |
Dallas County, Missouri
|
540.8
|
| 71 |
McDonald County, Missouri
|
539.5
|
| 72 |
Montgomery County, Missouri
|
536.2
|
| 73 |
Livingston County, Missouri
|
532.3
|
| 74 |
Maries County, Missouri
|
527.0
|
| 75 |
Gasconade County, Missouri
|
517.8
|
| 76 |
Putnam County, Missouri
|
517.3
|
| 77 |
St Louis County, Missouri
|
507.8
|
| 78 |
Carter County, Missouri
|
507.4
|
| 79 |
Lewis County, Missouri
|
505.0
|
| 80 |
Clark County, Missouri
|
504.7
|
| 81 |
Knox County, Missouri
|
504.0
|
| 82 |
Shelby County, Missouri
|
500.9
|
| 83 |
Ste Genevieve County, Missouri
|
499.1
|
| 84 |
Madison County, Missouri
|
494.4
|
| 85 |
Pemiscot County, Missouri
|
492.5
|
| 86 |
Gentry County, Missouri
|
491.4
|
| 87 |
Dade County, Missouri
|
490.0
|
| 88 |
Randolph County, Missouri
|
482.7
|
| 89 |
Cedar County, Missouri
|
474.5
|
| 90 |
Perry County, Missouri
|
474.4
|
| 91 |
Ralls County, Missouri
|
469.8
|
| 92 |
Stone County, Missouri
|
464.0
|
| 93 |
Howard County, Missouri
|
463.9
|
| 94 |
Holt County, Missouri
|
462.7
|
| 95 |
Mercer County, Missouri
|
453.8
|
| 96 |
St Francois County, Missouri
|
451.9
|
| 97 |
Marion County, Missouri
|
436.9
|
| 98 |
Scotland County, Missouri
|
436.7
|
| 99 |
Grundy County, Missouri
|
435.3
|
| 100 |
Andrew County, Missouri
|
432.7
|
| 101 |
Warren County, Missouri
|
428.6
|
| 102 |
Caldwell County, Missouri
|
426.4
|
| 103 |
DeKalb County, Missouri
|
421.4
|
| 104 |
Platte County, Missouri
|
420.2
|
| 105 |
Scott County, Missouri
|
420.0
|
| 106 |
Clinton County, Missouri
|
419.0
|
| 107 |
Moniteau County, Missouri
|
415.0
|
| 108 |
Mississippi County, Missouri
|
411.6
|
| 109 |
Buchanan County, Missouri
|
408.0
|
| 110 |
Hickory County, Missouri
|
399.1
|
| 111 |
Clay County, Missouri
|
397.3
|
| 112 |
Cole County, Missouri
|
393.8
|
| 113 |
Schuyler County, Missouri
|
307.3
|
| 114 |
Worth County, Missouri
|
266.6
|
| 115 |
St Louis city, Missouri
|
61.9
|