| ID | Historical Marker | County |
|---|
| 03.1998.1 | Booker T. Washington School | Bartholomew |
| 03.1998.2 | Second Baptist Church | Bartholomew |
| 06.2019.1 | Sugar Creek Community | Boone |
| 10.2008.1 | Hannah Toliver | Clark |
| 16.2007.1 | Donnell v. State, 1852 | Decatur |
| 16.2008.1 | Escape of Caroline, 1847 | Decatur |
| 18.1996.1 | Shaffer Chapel African Methodist Episcopal Church | Delaware |
| 20.2007.1 | Graves et al. v. Indiana | Elkhart |
| 20.2009.1 | Charles Gordone | Elkhart |
| 22.1998.1 | Scribner High School | Floyd |
| 22.2004.1 | A Gateway to Freedom | Floyd |
| 22.2005.1 | Division Street School | Floyd |
| 22.2011.1 | Lucy Higgs Nichols | Floyd |
| 22.2012.1 | Mob Violence, 1862 | Floyd |
| 26.2002.1 | Lyles Station | Gibson |
| 26.2015.1 | Black Civil War Substitutes | Gibson |
| 26.2022.1 | Aaron Richard Fisher, 1895-1985 | Gibson |
| 27.2014.1 | Samuel Plato | Grant |
| 27.2020.1 | Weaver Settlement | Grant |
| 27.2022.1 | Allen Temple | Grant |
| 29.2008.1 | Rhodes Family Incident | Hamilton |
| 29.2016.1 | Roberts Settlement | Hamilton |
| 31.1995.1 | Leora Brown School | Harrison |
| 31.2003.1 | St. Paul African Methodist Episcopal Church | Harrison |
| 31.2008.1 | Oswell Wright | Harrison |
| 31.2016.1 | Polly Strong Slavery Case | Harrison |
| 36.1997.1 | Freeman Field | Jackson |
| 36.1997.2 | Freeman Field | Jackson |
| 36.2008.2 | Alexander McClure | Jackson |
| 39.2004.3 | Eleutherian College | Jefferson |
| 39.2004.4 | Georgetown | Jefferson |
| 39.2016.1 | Chapman Harris | Jefferson |
| 42.2009.1 | Mary Clark | Knox |
| 45.2014.1 | Froebel School | Lake |
| 45.2014.2 | Stewart Settlement House | Lake |
| 45.2019.1 | Origin of Dr. MLK Day Law | Lake |
| 45.2019.2 | City Church | Lake |
| 45.2019.3 | Mt. Zion M.B. Church | Lake |
| 45.2020.1 | Gary Roosevelt High School | Lake |
| 48.2013.1 | Abolitionists Mobbed | Madison |
| 48.2022.1 | William (Bill) Walker, 1896-1992 | Madison |
| 49.1992.1 | Crispus Attucks High School | Marion |
| 49.1993.1 | Ransom Place Historic District | Marion |
| 49.1994.2 | Indiana Avenue | Marion |
| 49.1997.1 | Indiana Federation of Colored Women's Clubs | Marion |
| 49.2004.5 | 28th Regiment USCT | Marion |
| 49.2005.1 | Robert F. Kennedy on Death of Martin L. King | Marion |
| 49.2006.2 | John Freeman | Marion |
| 49.2009.2 | Bethel African Methodist Episcopal Church | Marion |
| 49.2009.3 | Marshall “Major” Taylor | Marion |
| 49.2011.2 | Washington Park Baseball | Marion |
| 49.2016.1 | James Overall | Marion |
| 49.2016.2 | Senate Avenue YMCA | Marion |
| 49.2018.3 | Lincoln Hospital, 1909-ca. 1915 | Marion |
| 49.2019.3 | Lt. Col. Joseph H. Ward, M.D., 1872-1952 | Marion |
| 49.2021.3 | Harriette Bailey Conn (1922-1981) | Marion |
| 49.2022.2 | John Hope School No. 26 | Marion |
| 49.2022.3 | Sigma Gamma Rho | Marion |
| 49.2022.5 | Felrath Hines, Jr. | Marion |
| 53.2005.1 | The Colored School | Monroe |
| 53.2008.1 | Kappa Alpha Psi | Monroe |
| 53.2008.2 | Benjamin Banneker School | Monroe |
| 53.2016.1 | Integrating Basketball | Monroe |
| 53.2020.1 | Black Market Firebombing | Monroe |
| 54.1995.1 | Speed Cabin | Montgomery |
| 58.2018.1 | The Barkshire Family | Ohio |
| 58.2021.1 | Defiance of the Black Codes / Barkshire v. State of Indiana | Ohio |
| 68.2016.1 | Union Literary Institute | Randolph |
| 69.2004.1 | Union Church | Ripley |
| 71.1998.1 | Huggart Settlement | St. Joseph |
| 71.2003.1 | Porter (Rea) Cemetery | St. Joseph |
| 71.2017.2 | Better Homes of South Bend | St. Joseph |
| 71.2020.2 | J. Chester and Elizabeth Allen | St. Joseph |
| 76.2022.1 | Fox Lake Resort | Steuben |
| 82.2007.1 | Sheriff's Residence and Jail | Vanderburgh |
| 82.2020.1 | Lincoln Gardens | Vanderburgh |
| 84.2018.2 | Evangeline E. Harris | Vigo |
| 89.2018.2 | Bishop William Paul Quinn | Wayne |
