RANKING · 2000 CENSUS · 102 SHOWN OF 102

Largest senior population, Illinois counties · 2000

Illinois counties home to the most residents aged 65 and over as of 2000. Ranked by number of people, not the senior share. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 1990

01Cook County, ILIL5,194,625630,265−0%

02DuPage County, ILIL934,29888,794+31%

03Lake County, ILIL719,33954,989+27%

04Will County, ILIL712,25341,610+36%

05Madison County, ILIL263,11036,923+6%

06Winnebago County, ILIL283,67435,450+11%

07Kane County, ILIL525,75733,981+16%

08St. Clair County, ILIL250,70833,709+1%

09Peoria County, ILIL178,55325,981+0%

10Sangamon County, ILIL194,17025,524+4%

11Rock Island County, ILIL141,86922,564+1%

12McHenry County, ILIL317,75120,913+20%

13Tazewell County, ILIL130,04919,099+17%

14LaSalle County, ILIL107,77318,292−1%

15Macon County, ILIL99,30017,481+3%

16Champaign County, ILIL209,97217,470+16%

17McLean County, ILIL171,41914,621+9%

18Kankakee County, ILIL105,52513,584+3%

19Vermilion County, ILIL71,25913,425−4%

20Adams County, ILIL64,26712,025+2%

21Williamson County, ILIL67,22510,123+4%

22Knox County, ILIL47,7679,780+1%

23Whiteside County, ILIL54,1219,740+9%

24DeKalb County, ILIL101,8358,711+9%

25Macoupin County, ILIL43,7488,576−0%

26Henry County, ILIL48,0958,341+0%

27Stephenson County, ILIL43,2208,026+4%

28Franklin County, ILIL36,9167,292−10%

29Coles County, ILIL46,6077,067−0%

30Fulton County, ILIL32,9017,015−3%

31Marion County, ILIL36,3826,925−2%

32Ogle County, ILIL51,3996,855+6%

33Jackson County, ILIL52,5016,575+1%

34Bureau County, ILIL32,5106,299−3%

35Jefferson County, ILIL36,1476,130+0%

36Christian County, ILIL33,4436,094−1%

37Livingston County, ILIL35,0576,059−3%

38Morgan County, ILIL32,5155,707−2%

39Iroquois County, ILIL26,1505,672+1%

40Randolph County, ILIL29,9215,292−0%

41Lee County, ILIL32,9145,288+5%

42Woodford County, ILIL38,1115,242+14%

43Montgomery County, ILIL28,0765,215−7%

44Clinton County, ILIL37,1285,131+10%

45Saline County, ILIL22,7725,066−6%

46Effingham County, ILIL34,5194,767+8%

47Logan County, ILIL27,1824,691−5%

48McDonough County, ILIL25,9164,652−4%

49Kendall County, ILIL145,4704,635+35%

50Grundy County, ILIL54,0524,607+10%

51Boone County, ILIL53,5684,463+25%

52Shelby County, ILIL20,5764,077+2%

53Jo Daviess County, ILIL21,5943,998+10%

54Monroe County, ILIL34,8403,701+23%

55Perry County, ILIL20,1603,690+1%

56Hancock County, ILIL16,8033,675−8%

57Edgar County, ILIL16,3233,494−6%

58Fayette County, ILIL20,7903,464−7%

59Crawford County, ILIL18,6483,397−5%

60Pike County, ILIL14,2313,346−8%

61Wayne County, ILIL15,8823,218−4%

62Carroll County, ILIL15,4193,211+2%

63White County, ILIL13,2503,205−6%

64Union County, ILIL16,6563,202−4%

65Douglas County, ILIL19,8803,180+7%

66Jersey County, ILIL21,1603,114+10%

67Lawrence County, ILIL13,7903,113−7%

68Clark County, ILIL15,1143,061−1%

69Warren County, ILIL16,2223,061−8%

70Richland County, ILIL15,2192,842−2%

71Clay County, ILIL12,7932,792−0%

72Mason County, ILIL12,4112,772−3%

73Ford County, ILIL13,2162,764+1%

74Mercer County, ILIL15,2292,702−3%

75Massac County, ILIL13,5022,700−5%

76De Witt County, ILIL15,1182,666−3%

77Bond County, ILIL16,9592,595−0%

78Greene County, ILIL11,3132,584−11%

79Washington County, ILIL13,5642,537−9%

80Piatt County, ILIL16,7912,529+6%

81Moultrie County, ILIL14,3712,524−6%

82Marshall County, ILIL11,4732,473−1%

83Wabash County, ILIL10,9072,197+4%

84Cass County, ILIL12,4632,150−7%

85Cumberland County, ILIL10,2081,782+7%

86Johnson County, ILIL13,3631,746−0%

87Jasper County, ILIL9,0321,667−11%

88Hamilton County, ILIL7,8591,655−10%

89Menard County, ILIL11,8631,645−2%

90Alexander County, ILIL4,5701,623−16%

91Schuyler County, ILIL6,6571,389−4%

92Henderson County, ILIL5,9841,373+4%

93Edwards County, ILIL5,8981,290−13%

94Pulaski County, ILIL4,8201,282−9%

95Stark County, ILIL5,3191,215−4%

96Gallatin County, ILIL4,6161,174−13%

97Calhoun County, ILIL4,300975−8%

98Putnam County, ILIL5,619967+10%

99Scott County, ILIL4,866915−9%

100Hardin County, ILIL3,588893−2%

101Brown County, ILIL6,401882−10%

102Pope County, ILIL3,672782−3%

SHOWING 1–102 OF 102

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