Largest Counties in Indiana

Rank County Population County Seat Established Area (km2) Density
1 Marion County 903,382 Indianapolis 1821 1,026 880.49
2 Lake County 495,994 Crown Point 1837 1,292 383.9
3 Allen County 355,318 Fort Wayne 1823 1,702 208.76
4 Hamilton County 274,558 Noblesville 1823 1,020 269.17
5 St. Joseph County 266,920 South Bend 1830 1,186 225.06
6 Elkhart County 197,548 Goshen 1830 1,199 164.76
7 Vanderburgh County 179,692 Evansville 1818 603 298
8 Tippecanoe County 172,769 Lafayette 1826 1,295 133.41
9 Porter County 164,332 Valparaiso 1835 1,083 151.74
10 Hendricks County 145,477 Danville 1824 1,054 138.02
11 Johnson County 139,643 Franklin 1823 829 168.45
12 Monroe County 137,963 Bloomington 1818 1,023 134.86
13 Madison County 131,625 Anderson 1823 1,171 112.4
14 Delaware County 117,660 Muncie 1827 1,015 115.92
15 LaPorte County 111,456 LaPorte 1832 1,549 71.95
16 Clark County 110,221 Jeffersonville 1801 966 114.1
17 Vigo County 107,807 Terre Haute 1818 1,044 103.26
18 Howard County 82,741 Kokomo 1844 759 109.01
19 Kosciusko County 77,347 Warsaw 1835 1,375 56.25
20 Bartholomew County 76,783 Columbus 1821 1,054 72.85
21 Floyd County 74,567 New Albany 1819 383 194.69
22 Grant County 70,050 Marion 1831 1,072 65.35
23 Hancock County 69,991 Greenfield 1828 793 88.26
24 Wayne County 68,906 Richmond 1810 1,041 66.19
25 Morgan County 68,883 Martinsville 1822 1,046 65.85
26 Warrick County 59,678 Boonville 1813 997 59.86
27 Boone County 56,629 Lebanon 1830 1,096 51.67
28 Dearborn County 50,036 Lawrenceburg 1803 790 63.34
29 Henry County 49,451 New Castle 1821 1,015 48.72
30 Noble County 47,525 Albion 1835 1,064 44.67
31 Marshall County 47,040 Plymouth 1835 1,150 40.9
32 Lawrence County 46,123 Bedford 1818 1,163 39.66
33 Shelby County 44,425 Shelbyville 1821 1,064 41.75
34 Jackson County 42,356 Brownstown 1816 1,318 32.14
35 Dubois County 41,878 Jasper 1817 1,106 37.86
36 DeKalb County 40,274 Auburn 1835 940 42.84
37 Harrison County 39,353 Corydon 1808 1,256 31.33
38 Cass County 38,955 Logansport 1828 1,067 36.51
39 Knox County 38,429 Vincennes 1790 1,336 28.76
40 Montgomery County 38,113 Crawfordsville 1822 1,308 29.14
41 LaGrange County 37,117 Lagrange 1832 984 37.72
42 Huntington County 37,113 Huntington 1832 992 37.41
43 Miami County 36,892 Peru 1833 969 38.07
44 Putnam County 36,008 Greencastle 1822 1,246 28.9
45 Adams County 34,376 Decatur 1836 878 39.15
46 Steuben County 34,174 Angola 1837 800 42.72
47 Gibson County 33,492 Princeton 1813 1,261 26.56
48 Jasper County 33,467 Rensselaer 1835 1,450 23.08
49 Whitley County 33,281 Columbia City 1835 870 38.25
50 Clinton County 33,213 Frankfort 1830 1,049 31.66
51 Greene County 33,154 Bloomfield 1821 1,406 23.58
52 Wabash County 32,877 Wabash 1833 1,067 30.81
53 Jefferson County 32,417 Madison 1810 935 34.67
54 Daviess County 31,637 Washington 1818 1,111 28.48
55 Ripley County 28,807 Versailles 1816 1,155 24.94
56 Jennings County 28,514 Vernon 1816 976 29.22
57 Washington County 28,251 Salem 1813 1,331 21.23
58 Wells County 27,625 Bluffton 1837 953 28.99
59 Clay County 26,879 Brazil 1825 927 29
60 Randolph County 26,160 Winchester 1818 1,171 22.34
61 Posey County 25,899 Mount Vernon 1814 1,062 24.39
62 Decatur County 25,729 Greensburg 1821 966 26.63
63 White County 24,632 Monticello 1834 1,308 18.83
64 Fayette County 24,266 Connersville 1818 557 43.57
65 Scott County 24,170 Scottsburg 1820 492 49.13
66 Starke County 23,352 Knox 1835 800 29.19
67 Franklin County 23,076 Brookville 1811 995 23.19
68 Sullivan County 21,734 Sullivan 1816 1,158 18.77
69 Owen County 21,564 Spencer 1818 997 21.63
70 Jay County 21,242 Portland 1835 995 21.35
71 Spencer County 20,941 Rockport 1818 1,028 20.37
72 Fulton County 20,825 Rochester 1836 953 21.85
73 Carroll County 20,154 Delphi 1828 963 20.93
74 Orange County 19,829 Paoli 1816 1,031 19.23
75 Perry County 19,327 Tell City 1814 989 19.54
76 Rush County 17,381 Rushville 1821 1,057 16.44
77 Parke County 17,328 Rockville 1821 1,153 15.03
78 Fountain County 17,229 Covington 1825 1,026 16.79
79 Vermillion County 16,201 Newport 1824 666 24.33
80 Tipton County 15,925 Tipton 1844 676 23.56
81 Brown County 15,231 Nashville 1836 808 18.85
82 Newton County 14,233 Kentland 1859 1,041 13.67
83 Pulaski County 13,391 Winamac 1835 1,124 11.91
84 Pike County 12,834 Petersburg 1816 865 14.84
85 Blackford County 12,755 Hartford City 1838 427 29.87
86 Crawford County 10,702 English 1818 793 13.5
87 Switzerland County 10,602 Vevay 1814 572 18.53
88 Martin County 10,323 Shoals 1820 870 11.87
89 Benton County 8,843 Fowler 1840 1,052 8.41
90 Warren County 8,497 Williamsport 1827 945 8.99
91 Union County 7,505 Liberty 1821 417 18
92 Ohio County 6,117 Rising Sun 1844 223 27.43

Largest Counties in Indiana

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