RANKING · 2000 CENSUS · 102 SHOWN OF 102

Fastest shrinking, Illinois counties · 2000

Illinois counties with the steepest population decline since the prior decennial census. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Alexander County, ILIL4,570-9.7%+0%

02Hardin County, ILIL3,588-7.5%+0%

03White County, ILIL13,250-7.0%+0%

04Gallatin County, ILIL4,616-6.7%+0%

05McDonough County, ILIL25,916-6.6%+0%

06Edwards County, ILIL5,898-6.3%+0%

07Hancock County, ILIL16,803-5.9%+0%

08Vermilion County, ILIL71,259-4.9%+0%

09Jasper County, ILIL9,032-4.6%+0%

10Calhoun County, ILIL4,300-4.5%+0%

11Schuyler County, ILIL6,657-4.1%+0%

12Greene County, ILIL11,313-3.6%+0%

13Lawrence County, ILIL13,790-3.3%+0%

14Franklin County, ILIL36,916-3.2%+0%

15Stark County, ILIL5,319-3.1%+0%

16St. Clair County, ILIL250,708-2.6%+0%

17Richland County, ILIL15,219-2.4%+0%

18Jackson County, ILIL52,501-2.4%+0%

19Pulaski County, ILIL4,820-2.3%+0%

20Warren County, ILIL16,222-2.3%+0%

21Macon County, ILIL99,300-2.1%+0%

22Randolph County, ILIL29,921-2.0%+0%

23Mercer County, ILIL15,229-1.9%+0%

24Scott County, ILIL4,866-1.9%+0%

25Mason County, ILIL12,411-1.4%+0%

26Wabash County, ILIL10,907-1.3%+0%

27Pike County, ILIL14,231-1.1%+0%

28Knox County, ILIL47,767-1.0%+0%

29Carroll County, ILIL15,419-0.8%+0%

30Wayne County, ILIL15,882-0.5%+0%

31Bureau County, ILIL32,510-0.5%+0%

32Henry County, ILIL48,095-0.3%+0%

33Montgomery County, ILIL28,076-0.2%+0%

34Ford County, ILIL13,216-0.2%+0%

35Marion County, ILIL36,382+0.3%+0%

36Peoria County, ILIL178,553+0.3%+0%

37Rock Island County, ILIL141,869+0.4%+0%

38Fulton County, ILIL32,901+0.4%+0%

39Edgar County, ILIL16,323+0.6%+0%

40Morgan County, ILIL32,515+0.6%+0%

41Saline County, ILIL22,772+0.7%+0%

42Clay County, ILIL12,793+0.7%+0%

43Whiteside County, ILIL54,121+0.8%+0%

44Pope County, ILIL3,672+0.9%+0%

45Livingston County, ILIL35,057+1.0%+0%

46Washington County, ILIL13,564+1.2%+0%

47Logan County, ILIL27,182+1.3%+0%

48Hamilton County, ILIL7,859+1.4%+0%

49Henderson County, ILIL5,984+1.4%+0%

50De Witt County, ILIL15,118+1.7%+0%

51Iroquois County, ILIL26,150+1.8%+0%

52Cass County, ILIL12,463+1.9%+0%

53Stephenson County, ILIL43,220+1.9%+0%

54Jo Daviess County, ILIL21,594+2.1%+0%

55Douglas County, ILIL19,880+2.4%+0%

56Moultrie County, ILIL14,371+2.6%+0%

57Marshall County, ILIL11,473+2.6%+0%

58Christian County, ILIL33,443+2.8%+0%

59Massac County, ILIL13,502+2.8%+0%

60Macoupin County, ILIL43,748+2.8%+0%

61Shelby County, ILIL20,576+2.8%+0%

62Coles County, ILIL46,607+3.0%+0%

63Adams County, ILIL64,267+3.3%+0%

64Union County, ILIL16,656+3.8%+0%

65Champaign County, ILIL209,972+3.8%+0%

66Tazewell County, ILIL130,049+3.9%+0%

67Madison County, ILIL263,110+3.9%+0%

68LaSalle County, ILIL107,773+4.3%+0%

69Fayette County, ILIL20,790+4.4%+0%

70Clinton County, ILIL37,128+4.7%+0%

71Lee County, ILIL32,914+4.9%+0%

72Crawford County, ILIL18,648+5.1%+0%

73Piatt County, ILIL16,791+5.3%+0%

74Cook County, ILIL5,194,625+5.3%+0%

75Cumberland County, ILIL10,208+5.5%+0%

76Jersey County, ILIL21,160+5.5%+0%

77Sangamon County, ILIL194,170+5.9%+0%

78Williamson County, ILIL67,225+6.2%+0%

79Putnam County, ILIL5,619+6.2%+0%

80Clark County, ILIL15,114+6.8%+0%

81Perry County, ILIL20,160+7.9%+0%

82Kankakee County, ILIL105,525+7.9%+0%

83Effingham County, ILIL34,519+8.1%+0%

84Jefferson County, ILIL36,147+8.2%+0%

85Woodford County, ILIL38,111+8.6%+0%

86Winnebago County, ILIL283,674+10.1%+0%

87Ogle County, ILIL51,399+11.0%+0%

88Menard County, ILIL11,863+11.8%+0%

89Johnson County, ILIL13,363+13.5%+0%

90DeKalb County, ILIL101,835+14.2%+0%

91DuPage County, ILIL934,298+15.7%+0%

92Grundy County, ILIL54,052+16.1%+0%

93McLean County, ILIL171,419+16.5%+0%

94Bond County, ILIL16,959+17.6%+0%

95Brown County, ILIL6,401+19.1%+0%

96Monroe County, ILIL34,840+23.2%+0%

97Lake County, ILIL719,339+24.8%+0%

98Kane County, ILIL525,757+27.3%+0%

99Boone County, ILIL53,568+35.6%+0%

100Kendall County, ILIL145,470+38.4%+0%

101Will County, ILIL712,253+40.6%+0%

102McHenry County, ILIL317,751+41.9%+0%

SHOWING 1–102 OF 102

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES