| Court(s) | County Prefix | Date Doxpop data begins | County Seat |
|---|---|---|---|
| Adams County | 01 | January 2002 | Decatur |
| Allen County | 02 | January 1990 | Fort Wayne |
| Bartholomew County | 03 | February 1998 | Columbus |
| Benton County | 04 | April 2008 | Fowler |
| Blackford County | 05 | September 2008 | Hartford City |
| Boone County | 06 | April 1995 | Lebanon |
| Brown County | 07 | February 2004 | Nashville |
| Carroll County | 08 | April 2008 | Delphi |
| Cass County | 09 | October 1997 | Logansport |
| Clark County | 10 | August 2004 | Jeffersonville |
| Clay County | 11 | September 1994 | Brazil |
| Clinton County | 12 | January 1991 | Frankfort |
| Crawford County | 13 | July 2008 | English |
| Daviess County | 14 | January 1998 | Washington |
| Dearborn County | 15 | June 2006 | Lawrenceburg |
| Decatur County | 16 | February 2000 | Greensburg |
| De Kalb County | 17 | June 2003 | Auburn |
| Delaware County | 18 | March 1997 | Muncie |
| Dubois County | 19 | September 1993 | Jasper |
| Elkhart County | 20 | June 1996 | Goshen |
| Fayette County | 21 | January 2008 | Connersville |
| Floyd County | 22 | January 2004 | New Albany |
| Fountain County | 23 | March 2007 | Covington |
| Franklin County | 24 | June 2007 | Brookville |
| Fulton County | 25 | May 2008 | Rochester |
| Gibson County | 26 | June 2015 | Princeton |
| Grant County | 27 | August 1995 | Marion |
| Greene County | 28 | April 2008 | Bloomfield |
| Hamilton County | 29 | February 2004 | Noblesville |
| Hancock County | 30 | March 2007 | Greenfield |
| Harrison County | 31 | June 2007 | Corydon |
| Hendricks County | 32 | January 2002 | Danville |
| Henry County | 33 | January 2003 | New Castle |
| Howard County | 34 | October 1997 | Kokomo |
| Huntington County | 35 | August 2002 | Huntington |
| Jackson County | 36 | December 2002 | Brownstown |
| Jasper County | 37 | January 2005 | Rensselaer |
| Jay County | 38 | January 2002 | Portland |
| Jefferson County | 39 | March 1995 | Madison |
| Jennings County | 40 | December 2008 | Vernon |
| Johnson County | 41 | May 2005 | Franklin |
| Knox County | 42 | May 2008 | Vincennes |
| Kosciusko County | 43 | March 1999 | Warsaw |
| LaGrange County | 44 | June 2005 | LaGrange |
| Lake County | 45 | June 1996 | Crown Point |
| La Porte County | 46 | September 2000 | LaPorte |
| Lawrence County | 47 | September 2002 | Bedford |
| Madison County | 48 | April 2006 | Anderson |
| Marion County | 49 | January 1970 | Indianapolis |
| Marshall County | 50 | July 1995 | Plymouth |
| Martin County | 51 | July 2007 | Shoals |
| Miami County | 52 | April 1998 | Peru |
| Monroe County | 53 | March 1979 | Bloomington |
| Montgomery County | 54 | March 2004 | Crawfordsville |
| Morgan County | 55 | March 2005 | Martinsville |
| Newton County | 56 | January 1998 | Kentland |
| Noble County | 57 | January 2009 | Albion |
| Ohio County | 58 | July 2009 | Rising Sun |
| Orange County | 59 | July 2008 | Paoli |
| Owen County | 60 | May 2008 | Spencer |
| Parke County | 61 | June 2008 | Rockville |
| Perry County | 62 | Mar 2008 | Tell City |
| Pike County | 63 | November 2006 | Petersburg |
| Porter County | 64 | April 2008 | Valparaiso |
| Posey County | 65 | July 2008 | Mt. Vernon |
| Pulaski County | 66 | December 2005 | Winamac |
| Putnam County | 67 | March 2002 | Greencastle |
| Randolph County | 68 | May 2008 | Winchester |
| Ripley County | 69 | April 1999 | Versailles |
| Rush County | 70 | August 2004 | Rushville |
| Saint Joseph County | 71 | April 2008 | South Bend |
| Scott County | 72 | October 2005 | Scottsburg |
| Shelby County | 73 | January 2008 | Shelbyville |
| Spencer County | 74 | January 2002 | Rockport |
| Starke County | 75 | November 2005 | Knox |
| Steuben County | 76 | March 2008 | Angola |
| Sullivan County | 77 | September 1994 | Sullivan |
| Switzerland County | 78 | May 2005 | Vevay |
| Tippecanoe County | 79 | September 2006 | Lafayette |
| Tipton County | 80 | August 2008 | Tipton |
| Union County | 81 | June 2008 | Liberty |
| Vanderburgh County | 82 | March 2008 | Evansville |
| Vermillion County | 83 | December 2001 | Newport |
| Vigo County | 84 | August 1996 | Terre Haute |
| Wabash County | 85 | January 1998 | Wabash |
| Warren County | 86 | November 2001 | Williamsport |
| Warrick County | 87 | December 1996 | Boonville |
| Washington County | 88 | July 2008 | Salem |
| Wayne County | 89 | January 1998 | Richmond |
| Wells County | 90 | October 1975 | Bluffton |
| White County | 91 | January 2009 | Monticello |
| Whitley County | 92 | January 1975 | Columbia City |
