1. Ohio 1844-45

2. Orange 1847-50

3. Franklin 1853-55

4. Jefferson 1854-55

5. Decatur 1854-60

6. Morgan 1857-59

7. Jennings 1857-61

8. Ripley 1860-61

9. Switzerland 1862-64

10. Henry 1865-66

11. Steuben 1867-68

12. Elkhart 1868-71

13. Marshall 1870-72

14. Dearborn 1870-73

15. Jackson 1870-73

16. Bartholomew 1870-74

17. Adams 1872-73

18. Scott 1873-74

19. Knox 1873-76

20. Benton 1874

21. Brown 1874-75

22. Posey 1874-76

23. Montgomery 1875-76

24. Randolph 1875-77

25. Hamilton 1877-79

26. Wabash 1877-79

27. Lagrange 1878-79

28. Johnson 1879-82

29. Parke 1879-82

30. Grant 1880

31. Tippecanoe 1881-84

32. Clinton 1882-84

33. Kosciusko 1882-84

34. Gibson 1883-85

35. Porter 1883-85

36. Vigo 1884-88

37. Greene 1885-86

38. Washington 1886-88

39. Noble 1887-89

40. Whitley 1888-90

41. Wells 1889-91

42. Fayette 1890-91

43. Union 1890-91

44. Wayne 1890-93

45. LaPorte 1892-94

46. Tipton 1893-94

47. Blackford 1893-95

48. Pulaski 1894-95

49. Fulton 1896

50. Hancock 1896-97

51. Rush 1896-98

52. Jasper 1896-98

53. Saint Joseph 1896-98

54. Starke 1897-98

55. Allen 1897-1902

56. Putnam 1903-05

57. Warrick 1904

58. Huntington 1904-06

59. Newton 1905-06

60. Monroe 1907-08

61. Warren 1907-08

62. Miami 1908-10

63. Boone 1909-11

64. Dubois 1909-11

65. Owen 1910-11

66. Dekalb 1911-14

67. Clay 1912-14

68. Hendricks 1912-14

69. Jay 1915-16

70. Carroll 1916-17

71. Pike 1920-22

72. Spencer 1921

73. Vermillion 1923-25

74. Sullivan 1926

75. Harrison 1927-28

76. Daviess 1928-29

77. Lawrence 1930

78. Fountain 1936-37

79. Howard 1936-37

80. Shelby 1936-37

81. Floyd 1959-61

82. Marion 1960-62

83. Delaware 1966-69

84. Vanderburgh 1967-69

85. Clark 1970

86. Lake 1971

87. Madison 1972-73

88. White 1975-76

89. Cass 1977-79

90. Martin 1982

91. Perry 1992-94

92. Crawford 2003-2004

List of population of counties from largest to smallest:

1. Marion 863,429

2. Lake 487,016

3. Allen 337,512

4. Saint Joseph 267,120

5. Hamilton 205,610

6. Elkhart 186,465

7. Vanderburgh 171,744

8. Tippecanoe 152,001

9. Porter 150,403

10. Madison 132,068

11. Johnson 121,604

12. Monroe 121,229

13. Delaware 118,197

14. Hendricks 114,301

15. LaPorte 110,384

16. Vigo 105,078

17. Clark 98,198

18. Howard 84,838

19. Kosciusko 74,794

20. Grant 72,189

21. Bartholomew 71,636

22. Floyd 71,633

23. Wayne 70,547

24. Morgan 67,791

25. Hancock 58,343

26. Warrick 53,624

27. Boone 48,277

28. Henry 47,983

29. Dearborn 47,333

30. Noble 47,209

31. Lawrence 46,097

32. Marshall 45,735

33. Shelby 43,674

34. Jackson 41,557

35. Cass 40,752

36. DeKalb 40,525

37. Dubois 40,015

38. Knox 38,531

39. Huntington 38,243

40. Montgomery 37,957

41. Putnam 36,440

42. Miami 36,199

43. LaGrange 35,410

44. Harrison 35,244

45. Wabash 34,655

46. Clinton 33,972

47. Adams 33,500

48. Steuben 33,429

49. Greene 33,155

50. Gibson 32,590

51. Jefferson 32,113

52. Whitley 31,339

53. Jasper 30,815

54. Daviess 29,851

55. Jennings 28,192

56. Wells 27,796

57. Washington 27,618

58. Ripley 27,525

59. Randolph 27,191

60. Posey 26,990

61. Clay 26,357

62. Fayette 25,249

63. White 24,985

64. Decatur 24,515

65. Scott 23,334

66. Starke 22,832

67. Franklin 22,585

68. Owen 22,541

69. Sullivan 21,825

70. Jay 21,631

71. Spencer 20,353

72. Fulton 20,278

73. Carroll 20,266

74. Orange 19,433

75. Perry 18,827

76. Rush 17,918

77. Fountain 17,700

78. Parke 17,262

79. Tipton 16,534

80. Vermillion 16,499

81. Brown 15,211

82. Newton 14,360

83. Blackford 13,804

84. Pulaski 13,731

85. Pike 12,908

86. Crawford 11,076

87. Martin 10,370

88. Switzerland 9,410

89. Benton 9,207

90. Warren 8,747

91. Union 7,440

92. Ohio 5,804

Population of county seats, sizes, and dates of creation to follow soon!