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Missouri
There are 115 Counties in Missouri
Click the state map for a larger view or select a county from the list below to view a listing of the county officials and other information pertaining to that county.
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| County |
NACo
Member |
2000
Population |
Square
Miles |
County Seat |
Founded |
|
Adair
|
|
24,977
|
568
|
Kirksville
|
1841
|
|
Andrew
|
|
16,492
|
435
|
Savannah
|
1841
|
|
Atchison
|
|
6,430
|
545
|
Rock Port
|
1845
|
|
Audrain
|
|
25,853
|
693
|
Mexico
|
1836
|
|
Barry
|
|
34,010
|
779
|
Cassville
|
1835
|
|
Barton
|
|
12,541
|
594
|
Lamar
|
1855
|
|
Bates
|
|
16,653
|
848
|
Butler
|
1841
|
|
Benton
|
|
17,180
|
706
|
Warsaw
|
1835
|
|
Bollinger
|
|
12,029
|
621
|
Marble Hill
|
1851
|
|
Boone
|
|
135,454
|
685
|
Columbia
|
1820
|
|
Buchanan
|
|
85,998
|
410
|
Saint Joseph
|
1838
|
|
Butler
|
|
40,867
|
698
|
Poplar Bluff
|
1849
|
|
Caldwell
|
|
8,969
|
429
|
Kingston
|
1836
|
|
Callaway
|
|
40,766
|
839
|
Fulton
|
1820
|
|
Camden
|
|
37,051
|
655
|
Camdenton
|
1841
|
|
Cape Girardeau
|
|
68,693
|
579
|
Jackson
|
1812
|
|
Carroll
|
|
10,285
|
695
|
Carrollton
|
1833
|
|
Carter
|
|
5,941
|
508
|
Van Buren
|
1859
|
|
Cass
|
|
82,092
|
699
|
Harrisonville
|
1835
|
|
Cedar
|
|
13,733
|
476
|
Stockton
|
1845
|
|
Chariton
|
|
8,438
|
756
|
Keytesville
|
1820
|
|
Christian
|
|
54,285
|
563
|
Ozark
|
1859
|
|
Clark
|
|
7,416
|
507
|
Kahoka
|
1836
|
|
Clay
|
|
184,006
|
396
|
Liberty
|
1822
|
|
Clinton
|
|
18,979
|
419
|
Plattsburg
|
1833
|
|
Cole
|
|
71,397
|
392
|
Jefferson City
|
1820
|
|
Cooper
|
|
16,670
|
565
|
Boonville
|
1818
|
|
Crawford
|
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22,804
|
743
|
Steelville
|
1829
|
|
Dade
|
|
7,923
|
490
|
Greenfield
|
1841
|
|
Dallas
|
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15,661
|
542
|
Buffalo
|
1841
|
|
Daviess
|
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8,016
|
567
|
Gallatin
|
1836
|
|
De Kalb
|
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11,597
|
424
|
Maysville
|
1845
|
|
Dent
|
|
14,927
|
754
|
Salem
|
1851
|
|
Douglas
|
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13,084
|
815
|
Ava
|
1857
|
|
Dunklin
|
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33,155
|
546
|
Kennett
|
1845
|
|
Franklin
|
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93,807
|
922
|
Union
|
1818
|
|
Gasconade
|
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15,342
|
520
|
Hermann
|
1820
|
|
Gentry
|
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6,861
|
492
|
Albany
|
1845
|
|
Greene
|
|
240,391
|
675
|
Springfield
|
1833
|
|
Grundy
|
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10,432
|
436
|
Trenton
|
1841
|
|
Harrison
|
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8,850
|
725
|
Bethany
|
1845
|
|
Henry
|
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21,997
|
702
|
Clinton
|
1834
|
|
Hickory
|
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8,940
|
399
|
Hermitage
|
1845
|
|
Holt
|
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5,351
|
462
|
Oregon
|
1841
|
|
Howard
|
|
10,212
|
466
|
Fayette
|
1816
|
|
Howell
|
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37,238
|
928
|
West Plains
|
1857
|
|
Iron
|
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10,697
|
551
|
Ironton
|
1857
|
|
Jackson
|
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654,880
|
605
|
Kansas City, Independence
|
1826
|
|
Jasper
|
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104,686
|
640
|
Carthage
|
1841
|
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Jefferson
|
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198,099
|
657
|
Hillsboro
|
1818
|
|
Johnson
|
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48,258
|
831
|
Warrensburg
|
1834
|
|
Knox
|
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4,361
|
506
|
Edina
|
1845
|
|
Laclede
|
|
32,513
|
766
|
Lebanon
|
1849
|
|
Lafayette
|
|
32,960
|
629
|
Lexington
|
1820
|
|
Lawrence
|
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35,204
|
613
|
Mount Vernon
|
1845
|
|
Lewis
|
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10,494
|
505
|
Monticello
|
1833
|
|
Lincoln
|
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38,944
|
630
|
Troy
|
1818
|
|
Linn
|
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13,754
|
620
|
Linneus
|
1837
|
|
Livingston
|
|
14,558
|
535
|
Chillicothe
|
1837
|
|
Macon
|
|
15,762
|
804
|
Macon
|
1837
|
|
Madison
|
|
11,800
|
497
|
Fredericktown
|
1818
|
|
Maries
|
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8,903
|
528
|
Vienna
|
1855
|
|
Marion
|
|
28,289
|
438
|
Palmyra
|
1826
|
|
McDonald
|
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21,681
|
540
|
Pineville
|
1849
|
|
Mercer
|
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3,757
|
454
|
Princeton
|
1845
|
|
Miller
|
|
23,564
|
592
|
Tuscumbia
|
1837
|
|
Mississippi
|
|
13,427
|
413
|
Charleston
|
1845
|
|
Moniteau
|
|
14,827
|
416
|
California
|
1845
|
|
Monroe
|
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9,311
|
646
|
Paris
|
1831
|
|
Montgomery
|
|
12,136
|
539
|
Montgomery City
|
1818
|
|
Morgan
|
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19,309
|
598
|
Versailles
|
1833
|
|
New Madrid
|
|
19,760
|
678
|
New Madrid
|
1812
|
|
Newton
|
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52,636
|
626
|
Neosho
|
1838
|
|
Nodaway
|
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21,912
|
877
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Maryville
|
1845
|
|
Oregon
|
|
10,344
|
792
|
Alton
|
1845
|
|
Osage
|
|
13,062
|
606
|
Linn
|
1841
|
|
Ozark
|
|
9,542
|
747
|
Gainesville
|
1841
|
|
Pemiscot
|
|
20,047
|
493
|
Caruthersville
|
1851
|
|
Perry
|
|
18,132
|
475
|
Perryville
|
1820
|
|
Pettis
|
|
39,403
|
685
|
Sedalia
|
1833
|
|
Phelps
|
|
39,825
|
673
|
Rolla
|
1857
|
|
Pike
|
|
18,351
|
673
|
Bowling Green
|
1818
|
|
Platte
|
|
73,781
|
420
|
Platte City
|
1838
|
|
Polk
|
|
26,992
|
637
|
Bolivar
|
1835
|
|
Pulaski
|
|
41,165
|
547
|
Waynesville
|
1833
|
|
Putnam
|
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5,223
|
518
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Unionville
|
1845
|
|
Ralls
|
|
9,626
|
471
|
New London
|
1820
|
|
Randolph
|
|
24,663
|
482
|
Huntsville
|
1829
|
|
Ray
|
|
23,354
|
570
|
Richmond
|
1820
|
|
Reynolds
|
|
6,689
|
811
|
Centerville
|
1845
|
|
Ripley
|
|
13,509
|
630
|
Doniphan
|
1833
|
|
Saline
|
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23,756
|
756
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Marshall
|
1820
|
|
Schuyler
|
|
4,170
|
308
|
Lancaster
|
1845
|
|
Scotland
|
|
4,983
|
438
|
Memphis
|
1841
|
|
Scott
|
|
40,422
|
421
|
Benton
|
1821
|
|
Shannon
|
|
8,324
|
1,004
|
Eminence
|
1841
|
|
Shelby
|
|
6,799
|
501
|
Shelbyville
|
1835
|
|
St. Charles
|
|
283,883
|
561
|
Saint Charles
|
1812
|
|
St. Clair
|
|
9,652
|
677
|
Osceola
|
1841
|
|
St. Francois
|
|
55,641
|
450
|
Farmington
|
1821
|
|
St. Louis
|
|
1,016,315
|
508
|
Clayton
|
1812
|
|
St. Louis City
|
|
348,189
|
62
|
St. Louis
|
1764
|
|
Ste. Genevieve
|
|
17,842
|
502
|
Sainte Genevieve
|
1812
|
|
Stoddard
|
|
29,705
|
827
|
Bloomfield
|
1835
|
|
Stone
|
|
28,658
|
463
|
Galena
|
1851
|
|
Sullivan
|
|
7,219
|
651
|
Milan
|
1845
|
|
Taney
|
|
39,703
|
632
|
Forsyth
|
1837
|
|
Texas
|
|
23,003
|
1,179
|
Houston
|
1845
|
|
Vernon
|
|
20,454
|
834
|
Nevada
|
1851
|
|
Warren
|
|
24,525
|
432
|
Warrenton
|
1833
|
|
Washington
|
|
23,344
|
760
|
Potosi
|
1813
|
|
Wayne
|
|
13,259
|
761
|
Greenville
|
1818
|
|
Webster
|
|
31,045
|
593
|
Marshfield
|
1855
|
|
Worth
|
|
2,382
|
266
|
Grant City
|
1861
|
|
Wright
|
|
17,955
|
682
|
Hartville
|
1861
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To report any updates, deletions or additions, contact Database Updates
or send a fax to NACo, Attn: Database Updates (202)393-2630.
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