| ID | Historical Marker | County |
|---|
| 01.2006.1 | Geneva Downtown Historic District | Adams |
| 03.2000.1 | Bartholomew County Courthouse | Bartholomew |
| 04.1995.1 | Benton County Courthouse | Benton |
| 05.1994.1 | Blackford County Courthouse | Blackford |
| 06.2021.1 | Henry C. Ulen, 1871-1963 | Boone |
| 07.1992.1 | T.C. Steele Home and Studio | Brown |
| 10.2001.1 | Tunnel Mill | Clark |
| 10.2006.1 | Indiana State Prison | Clark |
| 10.2017.1 | WWII Army Ammunition Plant | Clark |
| 11.2001.1 | Clay County Courthouse | Clay |
| 14.1989.1 | Mimi's House | Daviess |
| 14.1992.1 | Baltimore & Ohio Southwestern Railroad Depot | Daviess |
| 16.1980.1 | Decatur County Court House | Decatur |
| 17.1992.1 | Auburn Automobile Company | DeKalb |
| 17.1996.1 | Spencerville Covered Bridge | DeKalb |
| 19.2021 | State Police Jasper Post | Dubois |
| 20.2001.2 | Elkhart County Courthouse | Elkhart |
| 20.2003.1 | Goshen's Carnegie Library | Elkhart |
| 20.2006.2 | E. Hill Turnock | Elkhart |
| 22.1992.1 | Michael C. Kerr Home | Floyd |
| 22.1996.1 | State Bank of Indiana | Floyd |
| 22.1996.2 | Culbertson Mansion | Floyd |
| 22.2003.1 | Culbertson Widows' Home | Floyd |
| 22.2004.2 | New Albany Downtown Historic District | Floyd |
| 22.2005.1 | Division Street School | Floyd |
| 22.2005.3 | New Albany's Carnegie Library | Floyd |
| 23.2005.1 | Attica's Carnegie Library | Fountain |
| 24.1949.1 | Little Cedar Grove Baptist Church | Franklin |
| 24.1995.2 | Brookville's Carnegie Library | Franklin |
| 24.2002.1 | Brookville's Grandstand | Franklin |
| 24.2005.1 | Snow Hill Covered Bridge | Franklin |
| 27.1988.1 | [West Ward School] | Grant |
| 27.1995.1 | J.W. Patterson House | Grant |
| 27.2014.1 | Samuel Plato | Grant |
| 28.1998.1 | Richland-Plummer Creek Covered Bridge | Greene |
| 29.2005.1 | Conner Street Historic District | Hamilton |
| 29.2005.2 | Conner Street Historic District | Hamilton |
| 29.2007.1 | Potter's Covered Bridge | Hamilton |
| 31.1948.1 | Indiana Capitol | Harrison |
| 31.1962.1 | First State Office Building | Harrison |
| 31.1965.1 | Posey House | Harrison |
| 31.1965.2 | Harrison County Jail | Harrison |
| 31.1965.3 | Governor's Headquarters | Harrison |
| 31.2006.1 | Cedar Glade | Harrison |
| 32.2000.1 | Danville's Main Street Historic District | Hendricks |
| 32.2001.1 | Danville's Carnegie Library | Hendricks |
| 35.1979.3 | Huntington's Buildings Over the River / Huntington's Ford and First Bridge | Huntington |
| 35.2007.1 | Warren's Carnegie Library | Huntington |
| 36.2008.1 | Medora Shale Brick Plant | Jackson |
| 37.2006.1 | Remington Water Tower | Jasper |
| 39.1992.1 | Madison Historic District | Jefferson |
| 39.2022.1 | Eagle Cotton Mill | Jefferson |
| 40.2003.1 | Vernon Historic District | Jennings |
| 42.1995.1 | Old French House | Knox |
| 42.2001.1 | Vincennes' Carnegie Library | Knox |
| 42.2001.1 | Historic Pantheon Theatre | Knox |
| 43.1999.1 | Chinworth Bridge | Kosciusko |
| 43.2003.1 | Kosciusko County Jail | Kosciusko |
| 43.2007.1 | Chinworth Bridge | Kosciusko |
| 45.1995.1 | St. John Township School, District #2 | Lake |
| 46.2001.1 | LaPorte County Courthouse | LaPorte |
| 46.2002.1 | LaPorte's Carnegie Library | LaPorte |
| 47.1998.1 | Bedford Courthouse Square Historic District | Lawrence |
| 47.2005.1 | Dunn Memorial Hospital | Lawrence |
| 49.1946.1 | State Capitol | Marion |
| 49.1975.2 | Indianapolis Motor Speedway | Marion |
| 49.1976.3 | Woodruff Place | Marion |
| 49.1992.1 | Crispus Attucks High School | Marion |
| 49.1995.2 | Joseph W. Summers Memorial Bridge | Marion |
| 49.1995.3 | Joseph W. Summers Memorial Bridge | Marion |
| 49.1995.4 | The Old Northside | Marion |
| 49.1995.5 | The Old Northside | Marion |
| 49.1996.2 | Bates-Hendricks House | Marion |
| 49.1998.2 | Lockerbie Square | Marion |
| 49.1999.2 | Athenaeum | Marion |
| 49.2009.2 | Bethel African Methodist Episcopal Church | Marion |
| 49.2009.4 | Indianapolis Propylaeum | Marion |
| 49.2016.2 | Senate Avenue YMCA | Marion |
| 49.2016.3 | Central State Hospital | Marion |
| 49.2018.1 | James Whitcomb Riley Home | Marion |
| 49.2023.2 | Hinkle Fieldhouse | Marion |
| 52.1992.2 | House of Chief Richardville | Miami |
| 53.1996.1 | Stinesville Limestone Industry | Monroe |
| 53.2000.1 | Ferry Bridge | Monroe |
| 53.2001.1 | Monroe County Courthouse | Monroe |
| 53.2007.1 | Monroe County's Carnegie Library | Monroe |
| 53.2008.1 | Kappa Alpha Psi | Monroe |
| 54.1962.1 | Lane Place | Montgomery |
| 54.1993.1 | Darlington Covered Bridge | Montgomery |
| 54.2000.1 | Montgomery County Rotary Jail | Montgomery |
| 54.2009.1 | Crawfordsville’s Carnegie Library | Montgomery |
| 57.1967.1 | Chief Papakeecha's House one quarter mile south | Noble |
| 57.1999.1 | Noble County Seat / Noble County Courthouse | Noble |
| 60.1997.1 | Owen County Courthouse | Owen |
| 60.2008.1 | Cataract Falls Covered Bridge | Owen |
| 61.1975.1 | [Parke County Museum] | Parke |
| 61.1998.1 | Portland Mills Covered Bridge | Parke |
| 61.2001.1 | Rockville Chautauqua Pavilion | Parke |
| 65.2001.1 | New Harmony Workingmen's Institute | Posey |
| 68.2005.1 | Farmland Downtown Historic District | Randolph |
| 69.2006.1 | Ohio and Mississippi Railroad | Ripley |
| 71.1968.2 | First Bridge | St. Joseph |
| 71.1997.1 | Normain Heights Subdivision | St. Joseph |
| 71.1997.2 | Battell Park | St. Joseph |
| 72.2001.1 | Scott County Courthouse | Scott |
| 72.2002.1 | Scott County's Carnegie Library | Scott |
| 72.2002.2 | Scott County Home | Scott |
| 72.2003.3 | Lexington First County Seat | Scott |
| 77.2008.1 | Sullivan Carnegie Library | Sullivan |
| 79.1992.1 | Perrin Historic District | Tippecanoe |
| 79.1997.1 | Highland Park | Tippecanoe |
| 79.1997.2 | Highland Park | Tippecanoe |
| 79.1998.1 | Centennial Historic District | Tippecanoe |
| 79.2001.1 | Ninth Street Hill Neighborhood Historic District | Tippecanoe |
| 80.1994.1 | Tipton County Courthouse | Tipton |
| 82.1999.1 | McCurdy-Sears Building | Vanderburgh |
| 82.2007.1 | Sheriff's Residence and Jail | Vanderburgh |
| 83.1995.1 | Newport Covered Bridge | Vermillion |
| 83.1995.2 | Eugene Covered Bridge | Vermillion |
| 83.1997.1 | The Hillsdale Steps | Vermillion |
| 83.2001.1 | Vermillion County Jail | Vermillion |
| 85.2000.1 | St. Patrick's Roman Catholic Church | Wabash |
| 88.1998.1 | Washington County Courthouse / Salem Downtown Historic District | Washington |
| 89.2018.1 | Wayne County Seminary | Wayne |
| 91.1961.1 | The Wolcott House | White |
