Indiana County Codes

From SJCPLSubjectGuides

These codes were established in 1963 and have been used continuously through the present.

County Code #: County (County Seat)

1: Adams (Decatur)
2: Allen (Ft. Wayne)
3: Bartholomew (Columbus)
4: Benton (Fowler)
5: Blackford (Hartford City)
6: Boone (Lebanon)

7: Brown (Nashville)
8: Carrol (Delphi)
9: Cass (Loganport)
10: Clark (Jeffersonville)
11: Clay (Brazil)
12: Clinton (Frankfort)
13: Crawford (English)
14: Daviess (Washington)
15: Dearborn (Lawrenceburg)

16: Decatur (Greensburg)
17: Dekalb (Auburn)
18: Delaware (Muncie)
19: Dubois (Jasper)
20: Elkhart (Goshen)
21: Fayette (Connerville)
22: Floyd (New Albany)
23: Fountain (Covington)
24: Franklin (Brookville)

25: Fulton (Rochester)
26: Gibson (Princeton)
27: Grant (Marion)
28: Green (Bloomfield)
29: Hamilton (Noblesville)
30: Hancock (Greenfield)
31: Harrison (Corydon)
32: Hendricks (Dansville)
33: Henry (New Castle)

34: Howard (Kokomo)
35: Huntington (Huntington)
36: Jackson (Brownstown)
37: Jasper (Rensselaer)
38: Jay (Portland)
39: Jefferson (Madison)
40: Jennings (Vernon)

41: Johnson (Franklin)
42: Knox (Vincennes)
43: Kosciusko (Warsaw)
44: Lagrange (Lagrange)
45: Lake (Crown Point)
46: La Porte (La Porte)
47: Lawrence (Bedford)
48: Madison (Anderson)
49: Marion (Indianapolis)

50: Marshall (Plymouth)
51: Martin (Shoals)
52: Miami (Peru)
53: Monroe (Bloomington)
54: Montgomery (Crawfordsville)
55: Morgan (Martinsville)
56: Newton (Kentland)
57: Noble (Albion)
58: Ohio (Rising Sun)

59: Orange (Paoli)
60: Owen (Spencer)
61: Parke (Rockville)
62: Perry (Cannelton)
63: Pike (Petersburg)
64: Porter (Valpariso)
65: Posry (Mt. Vernon)
66: Pulaski (Winamac)

67: Putnam (Greencastle)
68: Randolph (Winchester)
69: Ripley (Versailles)
70: Rush (Rushville)
71: St. Joseph (South Bend)
72: Scott (Scottsburg)
73: Shelby (Shelbyville)
74: Spencer (Rockport)

75: Starke (Knox)
76: Steuben (Angola)
77: Sullivan (Sullivan)
78: Switzerland (Vevay)
79: Tippecanoe (Lafayette)
80: Tipton (Tipton)
81: Union (Liberty)
82: Vanderburgh (Evansville)
83: Vermillion (Newport)

84: Vigo (Terre Haute)
85: Wabash (Wabash)
86: Warren (Williamsport)
87: Warrick (Boonville)
88: Washington (Salem)
89: Wayne (Richmond)
90: Wells (Bluffton)
91: White (Monticello)
92: Whitley (Columbia City)

93: Marion (Indianapolis)
94: Lake (Crown Point)
95A: Military/Special
95B-Z: Marion (Indianapolis)
96: Lake (Crown Point)

97-99: Marion (Indianapolis)