RANKING · 2025 ESTIMATES · 115 SHOWN OF 115

Most population gained, Missouri counties

Missouri counties that added the most residents from the 2020 census to 2025, 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. Charles County, MOMO426,499+21,237−70%

02Jackson County, MOMO732,994+15,790−27%

03Clay County, MOMO265,032+11,697−62%

04Greene County, MOMO309,286+10,371−68%

05Boone County, MOMO191,746+8,136−65%

06Cass County, MOMO115,859+8,035−56%

07Christian County, MOMO96,725+7,883−64%

08Platte County, MOMO114,400+7,682−52%

09Lincoln County, MOMO66,676+7,102−29%

10Jefferson County, MOMO233,132+6,393−76%

11Jasper County, MOMO127,428+4,667−67%

12Webster County, MOMO43,054+3,969−46%

13Newton County, MOMO62,263+3,615−56%

14Warren County, MOMO39,016+3,484−30%

15Franklin County, MOMO108,090+3,408−74%

16Johnson County, MOMO56,670+2,657−54%

17Cape Girardeau County, MOMO83,999+2,289−68%

18Polk County, MOMO33,604+2,085−60%

19Barry County, MOMO36,200+1,666−74%

20Texas County, MOMO25,994+1,507−1%

21Wright County, MOMO19,671+1,483+24%

22Callaway County, MOMO45,765+1,482−81%

23Stone County, MOMO32,503+1,427−85%

24Morgan County, MOMO22,418+1,412−62%

25Lawrence County, MOMO39,401+1,400−72%

26Camden County, MOMO44,047+1,302−86%

27Pettis County, MOMO44,254+1,274−68%

28Benton County, MOMO20,536+1,142−66%

29Miller County, MOMO25,817+1,095−62%

30Howell County, MOMO40,798+1,048−82%

31Dallas County, MOMO18,025+954−68%

32Taney County, MOMO57,001+935−93%

33Laclede County, MOMO36,943+904−83%

34St. Francois County, MOMO67,809+887−87%

35Hickory County, MOMO9,044+765−52%

36Douglas County, MOMO12,342+764−37%

37Henry County, MOMO22,671+725−63%

38Cedar County, MOMO14,888+700−57%

39St. Clair County, MOMO9,976+692−42%

40McDonald County, MOMO23,992+689−85%

41Cole County, MOMO77,908+629−92%

42Ozark County, MOMO9,172+619−34%

43Phelps County, MOMO45,247+609−87%

44Lafayette County, MOMO33,531+547−70%

45Pulaski County, MOMO54,442+487−443%

46Clinton County, MOMO21,661+477−80%

47Bates County, MOMO16,512+470−71%

48Adair County, MOMO25,684+370−8%

49Pike County, MOMO17,955+368−85%

50Osage County, MOMO13,611+337−68%

51Washington County, MOMO23,810+296−90%

52Monroe County, MOMO8,959+293+42%

53Montgomery County, MOMO11,590+268−66%

54Shannon County, MOMO7,285+254−64%

55Ray County, MOMO23,398+240−83%

56Vernon County, MOMO19,946+239−83%

57Dade County, MOMO7,804+235−50%

58Madison County, MOMO12,858+232−66%

59Gentry County, MOMO6,384+222+1608%

60Carter County, MOMO5,418+216−49%

61Ste. Genevieve County, MOMO18,689+210−88%

62Caldwell County, MOMO9,012+197−67%

63Dent County, MOMO14,584+163−87%

64Barton County, MOMO11,795+158−87%

65Livingston County, MOMO14,708+151−544%

66Perry County, MOMO19,093+137−91%

67Daviess County, MOMO8,558+128−15%

68Harrison County, MOMO8,281+124−67%

69Schuyler County, MOMO4,140+108−264%

70Andrew County, MOMO18,241+106−94%

71Ralls County, MOMO10,444+89−92%

72Scotland County, MOMO4,796+80−50%

73Bollinger County, MOMO10,646+79−94%

74Oregon County, MOMO8,709+74−92%

75Ripley County, MOMO10,717+38−97%

76Cooper County, MOMO17,136+33−98%

77Howard County, MOMO10,180+29−95%

78Marion County, MOMO28,5250−100%

79Gasconade County, MOMO14,784-10−101%

80Knox County, MOMO3,728-16−87%

81Macon County, MOMO15,190-19−105%

82Holt County, MOMO4,200-23−97%

83Chariton County, MOMO7,377-31−96%

84Maries County, MOMO8,397-35−104%

85Moniteau County, MOMO15,428-45−102%

86Linn County, MOMO11,815-59−55%

87Worth County, MOMO1,914-59+2%

88Grundy County, MOMO9,744-64−38%

89Saline County, MOMO23,265-68−129%

90Carroll County, MOMO8,417-78−83%

91Scott County, MOMO37,975-84−108%

92Reynolds County, MOMO5,992-104−471%

93Crawford County, MOMO22,929-127−103%

94Atchison County, MOMO5,175-130−87%

95Mercer County, MOMO3,404-134−494%

96Putnam County, MOMO4,546-135−194%

97Lewis County, MOMO9,879-153−159%

98Clark County, MOMO6,475-159+21%

99Wayne County, MOMO10,782-192−111%

100Randolph County, MOMO24,513-203−169%

101Iron County, MOMO9,318-219+655%

102Butler County, MOMO41,904-226−111%

103Shelby County, MOMO5,870-233+63%

104Sullivan County, MOMO5,738-261−129%

105Stoddard County, MOMO28,284-388−148%

106Audrain County, MOMO24,528-434−119%

107Mississippi County, MOMO12,003-574−43%

108Nodaway County, MOMO20,174-1,067−626%

109Pemiscot County, MOMO14,465-1,196−36%

110DeKalb County, MOMO9,795-1,234−176%

111Buchanan County, MOMO83,540-1,253−143%

112New Madrid County, MOMO15,086-1,348+15%

113Dunklin County, MOMO26,855-1,428−3421%

114St. Louis County, MOMO990,911-13,214−158%

115St. Louis, MOMO278,144-23,434−52%

SHOWING 1–115 OF 115

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES