RANKING · 2000 CENSUS · 102 SHOWN OF 102

Fastest shrinking, Illinois counties · 2000

Illinois counties with the steepest population decline from the 1990 census to 2000. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS –

01Alexander County, ILIL4,570-9.7%–

02Hardin County, ILIL3,588-7.5%–

03White County, ILIL13,250-7.0%–

04Gallatin County, ILIL4,616-6.7%–

05McDonough County, ILIL25,916-6.6%–

06Edwards County, ILIL5,898-6.3%–

07Hancock County, ILIL16,803-5.9%–

08Vermilion County, ILIL71,259-4.9%–

09Jasper County, ILIL9,032-4.6%–

10Calhoun County, ILIL4,300-4.5%–

11Schuyler County, ILIL6,657-4.1%–

12Greene County, ILIL11,313-3.6%–

13Lawrence County, ILIL13,790-3.3%–

14Franklin County, ILIL36,916-3.2%–

15Stark County, ILIL5,319-3.1%–

16St. Clair County, ILIL250,708-2.6%–

17Richland County, ILIL15,219-2.4%–

18Jackson County, ILIL52,501-2.4%–

19Pulaski County, ILIL4,820-2.3%–

20Warren County, ILIL16,222-2.3%–

21Macon County, ILIL99,300-2.1%–

22Randolph County, ILIL29,921-2.0%–

23Mercer County, ILIL15,229-1.9%–

24Scott County, ILIL4,866-1.9%–

25Mason County, ILIL12,411-1.4%–

26Wabash County, ILIL10,907-1.3%–

27Pike County, ILIL14,231-1.1%–

28Knox County, ILIL47,767-1.0%–

29Carroll County, ILIL15,419-0.8%–

30Wayne County, ILIL15,882-0.5%–

31Bureau County, ILIL32,510-0.5%–

32Henry County, ILIL48,095-0.3%–

33Montgomery County, ILIL28,076-0.2%–

34Ford County, ILIL13,216-0.2%–

35Marion County, ILIL36,382+0.3%–

36Peoria County, ILIL178,553+0.3%–

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

38Fulton County, ILIL32,901+0.4%–

39Edgar County, ILIL16,323+0.6%–

40Morgan County, ILIL32,515+0.6%–

41Saline County, ILIL22,772+0.7%–

42Clay County, ILIL12,793+0.7%–

43Whiteside County, ILIL54,121+0.8%–

44Pope County, ILIL3,672+0.9%–

45Livingston County, ILIL35,057+1.0%–

46Washington County, ILIL13,564+1.2%–

47Logan County, ILIL27,182+1.3%–

48Hamilton County, ILIL7,859+1.4%–

49Henderson County, ILIL5,984+1.4%–

50De Witt County, ILIL15,118+1.7%–

51Iroquois County, ILIL26,150+1.8%–

52Cass County, ILIL12,463+1.9%–

53Stephenson County, ILIL43,220+1.9%–

54Jo Daviess County, ILIL21,594+2.1%–

55Douglas County, ILIL19,880+2.4%–

56Moultrie County, ILIL14,371+2.6%–

57Marshall County, ILIL11,473+2.6%–

58Christian County, ILIL33,443+2.8%–

59Massac County, ILIL13,502+2.8%–

60Macoupin County, ILIL43,748+2.8%–

61Shelby County, ILIL20,576+2.8%–

62Coles County, ILIL46,607+3.0%–

63Adams County, ILIL64,267+3.3%–

64Union County, ILIL16,656+3.8%–

65Champaign County, ILIL209,972+3.8%–

66Tazewell County, ILIL130,049+3.9%–

67Madison County, ILIL263,110+3.9%–

68LaSalle County, ILIL107,773+4.3%–

69Fayette County, ILIL20,790+4.4%–

70Clinton County, ILIL37,128+4.7%–

71Lee County, ILIL32,914+4.9%–

72Crawford County, ILIL18,648+5.1%–

73Piatt County, ILIL16,791+5.3%–

74Cook County, ILIL5,194,625+5.3%–

75Cumberland County, ILIL10,208+5.5%–

76Jersey County, ILIL21,160+5.5%–

77Sangamon County, ILIL194,170+5.9%–

78Williamson County, ILIL67,225+6.2%–

79Putnam County, ILIL5,619+6.2%–

80Clark County, ILIL15,114+6.8%–

81Perry County, ILIL20,160+7.9%–

82Kankakee County, ILIL105,525+7.9%–

83Effingham County, ILIL34,519+8.1%–

84Jefferson County, ILIL36,147+8.2%–

85Woodford County, ILIL38,111+8.6%–

86Winnebago County, ILIL283,674+10.1%–

87Ogle County, ILIL51,399+11.0%–

88Menard County, ILIL11,863+11.8%–

89Johnson County, ILIL13,363+13.5%–

90DeKalb County, ILIL101,835+14.2%–

91DuPage County, ILIL934,298+15.7%–

92Grundy County, ILIL54,052+16.1%–

93McLean County, ILIL171,419+16.5%–

94Bond County, ILIL16,959+17.6%–

95Brown County, ILIL6,401+19.1%–

96Monroe County, ILIL34,840+23.2%–

97Lake County, ILIL719,339+24.8%–

98Kane County, ILIL525,757+27.3%–

99Boone County, ILIL53,568+35.6%–

100Kendall County, ILIL145,470+38.4%–

101Will County, ILIL712,253+40.6%–

102McHenry County, ILIL317,751+41.9%–

SHOWING 1–102 OF 102

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