| ID | Historical Marker | County |
|---|
| 06.2018.1 | Samuel M. Ralston | Boone |
| 06.2020.1 | Herman B Wells | Boone |
| 08.2018.1 | Claude R. Wickard | Carroll |
| 10.1966.1 | Grave of Jonathan Jennings (1784-1834) (Two blocks east) | Clark |
| 10.2021.1 | Mary Garrett Hay, ca. 1857-1928 | Clark |
| 11.2023.1 | James R. "Jimmy" Hoffa | Clay |
| 13.1992.1 | Leavenworth | Crawford |
| 14.1997.1 | Indiana's Early Bird Pilot | Daviess |
| 14.1999.2 | Homer E. Capehart / GOP Cornfield Conference | Daviess |
| 18.2022.1 | James Grover McDonald, 1886-1964 | Delaware |
| 22.1992.1 | Michael C. Kerr Home | Floyd |
| 22.2021.1 | Sherman Minton, 1890-1965 | Floyd |
| 23.1970.1 | Boyhood Home of Daniel W. Voorhees | Fountain |
| 24.1966.1 | Brookville, Franklin County (Platted 1808) | Franklin |
| 26.2019.1 | Melba Newell Phillips | Gibson |
| 30.1966.1 | Birthplace of Democratic Party Rooster | Hancock |
| 31.1948.1 | Indiana Capitol | Harrison |
| 31.1962.1 | First State Office Building | Harrison |
| 31.1962.2 | First State Capital | Harrison |
| 31.1963.3 | First State Capital | Harrison |
| 31.1964.1 | First State Capital | Harrison |
| 31.1964.2 | First State Capital | Harrison |
| 31.1965.1 | Posey House | Harrison |
| 31.1965.3 | Governor's Headquarters | Harrison |
| 31.1966.2 | Walter Q. Gresham | Harrison |
| 39.2004.1 | Michael C. Garber | Jefferson |
| 39.2004.2 | Lyman Hoyt | Jefferson |
| 39.2006.1 | Irene Dunne | Jefferson |
| 39.2016.1 | Chapman Harris | Jefferson |
| 40.1995.1 | Jonathan Jennings 1784-1834 | Jennings |
| 41.1992.1 | Birthplace of Paul Vories McNutt | Johnson |
| 41.2000.1 | Birthplace of Roger D. Branigin | Johnson |
| 41.2023.1 | Ray Crowe, 1915-2003 | Johnson |
| 42.2006.1 | William Henry Harrison & Lewis & Clark Expedition | Knox |
| 46.2010.1 | The Lincoln Funeral Train | LaPorte |
| 48.2001.1 | Wendell Willkie | Madison |
| 49.1946.1 | State Capitol | Marion |
| 49.1961.2 | Lincoln to the Citizens of Indiana | Marion |
| 49.1963.1 | Brig. General Benjamin Harrison 1833-1901 | Marion |
| 49.1966.1 | Home of Charles Warren Fairbanks Mayy 11, 1852 - June 4, 1918 | Marion |
| 49.1996.2 | Bates-Hendricks House | Marion |
| 49.2004.2 | John Muir in Indianapolis | Marion |
| 49.2004.4 | Zerelda G. Wallace | Marion |
| 49.2005.1 | Robert F. Kennedy on Death of Martin L. King | Marion |
| 49.2009.1 | The Lincoln Funeral Train | Marion |
| 49.2011.1 | Isaac Blackford | Marion |
| 49.2017.4 | First Lady Caroline Harrison | Marion |
| 49.2019.2 | May Wright Sewall (1844-1920) | Marion |
| 49.2020.2 | Grace Julian Clarke, 1865-1938 | Marion |
| 49.2020.4 | Meredith Nicholson, 1866-1947 | Marion |
| 49.2021.1 | Rep. Roberta West Nicholson, 1903-1987 | Marion |
| 49.2021.3 | Harriette Bailey Conn (1922-1981) | Marion |
| 49.2021.6 | Indiana Woman's Suffrage | Marion |
| 49.2022.1 | Dr. Amelia Keller, 1871-1943 | Marion |
| 52.2023.1 | Marie Stuart Edwards, 1880-1970 | Miami |
| 54.1962.1 | Lane Place | Montgomery |
| 54.1963.1 | Major General Lew Wallace 1827-1905 | Montgomery |
| 54.2012.1 | Henry S. Lane | Montgomery |
| 55.2018.1 | Emmett Forest Branch | Morgan |
| 56.2019.2 | Warren T. McCray, 1865-1938 | Newton |
| 56.2019.3 | Taft Rally at Ade Estate | Newton |
| 61.1966.4 | Boyhood Home of J.G. "Uncle Joe" Cannon | Parke |
| 61.1968.5 | Parke County's First Election | Parke |
| 61.2004.1 | Christmas (Noel) Dagenet | Parke |
| 65.1966.2 | Alvin P. Hovey 1821-1891 | Posey |
| 68.2013.1 | Amanda Way | Randolph |
| 69.2004.2 | Stephen S. Harding | Ripley |
| 69.2006.2 | James Harrison Cravens | Ripley |
| 70.1969.1 | Wendell L. Willkie | Rush |
| 70.1969.2 | Wendell L. Willkie | Rush |
| 70.1969.3 | Wendell L. Willkie | Rush |
| 70.1969.4 | Wendell L. Willkie | Rush |
| 70.1969.5 | Wendell L. Willkie | Rush |
| 71.1966.2 | Site of Home of Schuyler Colfax March 23, 1823 - January 1, 1885 | St. Joseph |
| 72.1992.1 | Site of William Hayden English Home | Scott |
| 72.2003.1 | Joseph Hooker Shea | Scott |
| 73.1966.1 | Site of Home of Thomas Andrews Hendricks September 7, 1819 - November 25, 1885 | Shelby |
| 74.1962.1 | Lincoln Boyhood Home | Spencer |
| 74.1992.2 | Site of Rockport Tavern | Spencer |
| 74.2001.1 | Abraham Lincoln Employed | Spencer |
| 77.1992.1 | A Civil War Murder | Sullivan |
| 79.2014.1 | Helen M. Gougar | Tippecanoe |
| 83.2018.1 | Henry Dana Washburn, 1832-1871 | Vermillion |
| 84.1976.1 | Eugene Victor Debs | Vigo |
| 84.1992.1 | Home of Eugene V. Debs | Vigo |
| 85.2007.1 | Thomas Riley Marshall | Wabash |
| 86.1992.1 | Williamsport Warren County | Warren |
| 89.1962.1 | Oliver P. Morton Home | Wayne |
| 89.1963.1 | Iron Brigade Commander | Wayne |
| 89.2003.1 | Indiana's First Woman's Rights Convention | Wayne |
| 89.2013.1 | George Washington Julian | Wayne |
| 92.1966.1 | Home of Thomas R. Marshall | Whitley |
| 92.2013.1 | Ralph F. Gates | Whitley |
