RANKING · 2020 CENSUS · 115 SHOWN OF 115

Most population lost, Missouri counties · 2020

Missouri counties that lost the most residents from the 2010 census to 2020, by raw count of people rather than percentage. This list covers the 115 counties in Missouri that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01St. Louis, MOMO278,144-17,716−63%

02Buchanan County, MOMO83,540-4,408−251%

03Dunklin County, MOMO26,855-3,670−8635%

04Ripley County, MOMO10,717-3,421−384%

05Pemiscot County, MOMO14,465-2,635+41%

06Wayne County, MOMO10,782-2,547−248%

07New Madrid County, MOMO15,086-2,522+116%

08Oregon County, MOMO8,709-2,246−357%

09Nodaway County, MOMO20,174-2,129−1149%

10Douglas County, MOMO12,342-2,106−274%

11DeKalb County, MOMO9,795-1,863−214%

12Bollinger County, MOMO10,646-1,796−227%

13Mississippi County, MOMO12,003-1,781+75%

14Washington County, MOMO23,810-1,681−157%

15Crawford County, MOMO22,929-1,640−145%

16Texas County, MOMO25,994-1,521−200%

17Vernon County, MOMO19,946-1,452−203%

18Shannon County, MOMO7,285-1,410−298%

19Hickory County, MOMO9,044-1,348−184%

20Stoddard County, MOMO28,284-1,296−260%

21Camden County, MOMO44,047-1,257−113%

22Dent County, MOMO14,584-1,236−201%

23Ozark County, MOMO9,172-1,170−224%

24Scott County, MOMO37,975-1,132−208%

25Stone County, MOMO32,503-1,126−112%

26Iron County, MOMO9,318-1,093+3669%

27Carter County, MOMO5,418-1,063−350%

28Barry County, MOMO36,200-1,063−116%

29Bates County, MOMO16,512-1,007−162%

30Pike County, MOMO17,955-929−139%

31Montgomery County, MOMO11,590-914−217%

32Linn County, MOMO11,815-887+577%

33Carroll County, MOMO8,417-800+73%

34Harrison County, MOMO8,281-800−310%

35Barton County, MOMO11,795-765−162%

36Maries County, MOMO8,397-744−180%

37Sullivan County, MOMO5,738-715−180%

38Randolph County, MOMO24,513-698−338%

39Holt County, MOMO4,200-689+1%

40Butler County, MOMO41,904-664−132%

41Howell County, MOMO40,798-650−111%

42Livingston County, MOMO14,708-638+1776%

43Lawrence County, MOMO39,401-633−113%

44Wright County, MOMO19,671-627−152%

45Caldwell County, MOMO9,012-609−203%

46Osage County, MOMO13,611-604−158%

47Reynolds County, MOMO5,992-600−2243%

48Gentry County, MOMO6,384-576−4531%

49Audrain County, MOMO24,528-567−125%

50St. Clair County, MOMO9,976-521−144%

51Phelps County, MOMO45,247-518−111%

52Clark County, MOMO6,475-505+285%

53Cooper County, MOMO17,136-498−127%

54Grundy County, MOMO9,744-453+336%

55Gasconade County, MOMO14,784-428−132%

56Chariton County, MOMO7,377-423−45%

57Schuyler County, MOMO4,140-399+505%

58Lafayette County, MOMO33,531-397−121%

59Knox County, MOMO3,728-387+220%

60Atchison County, MOMO5,175-380−63%

61Macon County, MOMO15,190-357−186%

62Ray County, MOMO23,398-336−124%

63Henry County, MOMO22,671-326−117%

64Dade County, MOMO7,804-314−166%

65Putnam County, MOMO4,546-298−307%

66Adair County, MOMO25,684-293−173%

67Shelby County, MOMO5,870-270+89%

68Marion County, MOMO28,525-256−142%

69Mercer County, MOMO3,404-247−826%

70Worth County, MOMO1,914-198+241%

71Lewis County, MOMO9,879-179−169%

72Monroe County, MOMO8,959-174−184%

73Moniteau County, MOMO15,428-134−105%

74Scotland County, MOMO4,796-127−179%

75Callaway County, MOMO45,765-49−101%

76Saline County, MOMO23,265-37−116%

77Miller County, MOMO25,817-26−101%

78Perry County, MOMO19,093-15−101%

79Daviess County, MOMO8,558-3−102%

80Howard County, MOMO10,180+7−99%

81Ralls County, MOMO10,444+188−84%

82Cedar County, MOMO14,888+206−87%

83McDonald County, MOMO23,992+220−95%

84Dallas County, MOMO18,025+294−90%

85Ste. Genevieve County, MOMO18,689+334−81%

86Benton County, MOMO20,536+338−90%

87Polk County, MOMO33,604+382−93%

88Madison County, MOMO12,858+400−41%

89Morgan County, MOMO22,418+441−88%

90Clinton County, MOMO21,661+441−82%

91Laclede County, MOMO36,943+468−91%

92Newton County, MOMO62,263+534−93%

93Pettis County, MOMO44,254+779−80%

94Andrew County, MOMO18,241+844−55%

95Cole County, MOMO77,908+1,289−84%

96Johnson County, MOMO56,670+1,418−75%

97St. Francois County, MOMO67,809+1,563−77%

98Pulaski County, MOMO54,442+1,681−1284%

99Webster County, MOMO43,054+2,883−60%

100Warren County, MOMO39,016+3,019−40%

101Franklin County, MOMO108,090+3,190−76%

102Taney County, MOMO57,001+4,391−69%

103St. Louis County, MOMO990,911+5,171−77%

104Jasper County, MOMO127,428+5,357−62%

105Cape Girardeau County, MOMO83,999+6,036−15%

106Lincoln County, MOMO66,676+7,008−30%

107Jefferson County, MOMO233,132+8,006−70%

108Cass County, MOMO115,859+8,346−54%

109Christian County, MOMO96,725+11,420−47%

110Platte County, MOMO114,400+17,396+9%

111Boone County, MOMO191,746+20,968−9%

112Greene County, MOMO309,286+23,741−27%

113Clay County, MOMO265,032+31,396+3%

114Jackson County, MOMO732,994+43,046+99%

115St. Charles County, MOMO426,499+44,777−37%

SHOWING 1–115 OF 115

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS