Sýslur í Indiana eru 92 talsins.

Nafn Höfuðborg Mannfjöldi (2010) Flatarmál (km2)
Adams Decatur 34.387 878
Allen Fort Wayne 355.329 1.702
Bartholomew Columbus 76.794 1.054
Benton Fowler 8.854 1.052
Blackford Hartford City 12.766 427
Boone Lebanon 56.640 1.096
Brown Nashville 15.242 808
Carroll Delphi 20.165 963
Cass Logansport 38.966 1.067
Clark Jeffersonville 110.232 966
Clay Brazil 26.890 927
Clinton Frankfort 33.224 1.049
Crawford English 10.713 793
Daviess Washington 31.648 1.111
Dearborn Lawrenceburg 50.047 790
Decatur Greensburg 25.740 966
DeKalb Auburn 40.285 940
Delaware Muncie 117.671 1.015
Dubois Jasper 41.889 1.106
Elkhart Goshen 197.559 1.199
Fayette Connersville 24.277 557
Floyd New Albany 74.578 383
Fountain Covington 17.240 1.026
Franklin Brookville 23.087 995
Fulton Rochester 20.836 953
Gibson Princeton 33.503 1.261
Grant Marion 70.061 1.072
Greene Bloomfield 33.165 1.406
Hamilton Noblesville 274.569 1.020
Hancock Greenfield 70.002 793
Harrison Corydon 39.364 1.256
Hendricks Danville 145.488 1.054
Henry New Castle 49.462 1.015
Howard Kokomo 82.752 759
Huntington Huntington 37.124 992
Jackson Brownstown 42.367 1.318
Jasper Rensselaer 33.478 1.450
Jay Portland 21.253 995
Jefferson Madison 32.428 935
Jennings Vernon 28.525 976
Johnson Franklin 139.654 829
Knox Vincennes 38.440 1.336
Kosciusko Warsaw 77.358 1.375
LaGrange LaGrange 37.128 984
Lake Crown Point 496.005 1.292
LaPorte LaPorte 111.467 1.549
Lawrence Bedford 46.134 1.163
Madison Anderson 131.636 1.171
Marion Indianapolis 903.393 1.026
Marshall Plymouth 47.051 1.150
Martin Shoals 10.334 870
Miami Peru 36.903 969
Monroe Bloomington 137.974 1.023
Montgomery Crawfordsville 38.124 1.308
Morgan Martinsville 68.894 1.046
Newton Kentland 14.244 1.041
Noble Albion 47.536 1.064
Ohio Rising Sun 6.128 223
Orange Paoli 19.840 1.031
Owen Spencer 21.575 997
Parke Rockville 17.339 1.153
Perry Tell City 19.338 989
Pike Petersburg 12.845 865
Porter Valparaiso 164.343 1.083
Posey Mount Vernon 25.910 1.062
Pulaski Winamac 13.402 1.124
Putnam Greencastle 36.019 1.246
Randolph Winchester 26.171 1.171
Ripley Versailles 28.818 1.155
Rush Rushville 17.392 1.057
St. Joseph South Bend 266.931 1.186
Scott Scottsburg 24.181 492
Shelby Shelbyville 44.436 1.064
Spencer Rockport 20.952 1.028
Starke Knox 23.363 800
Steuben Angola 34.185 800
Sullivan Sullivan 21.745 1.158
Switzerland Vevay 10.613 572
Tippecanoe Lafayette 172.780 1.295
Tipton Tipton 15.936 676
Union Liberty 7.516 417
Vanderburgh Evansville 179.703 603
Vermillion Newport 16.212 666
Vigo Terre Haute 107.818 1.044
Wabash Wabash 32.888 1.067
Warren Williamsport 8.508 945
Warrick Boonville 59.689 997
Washington Salem 28.262 1.331
Wayne Richmond 68.917 1.041
Wells Bluffton 27.636 953
White Monticello 24.643 1.308
Whitley Columbia City 33.292 870