This is a list of the Indiana state historical markers in Washington County.
This is intended to be a complete list of the official state historical markers placed in Washington County, Indiana, United States by the Indiana Historical Bureau. The locations of the historical markers and their latitude and longitude coordinates are included below when available, along with their names, years of placement, and topics as recorded by the Historical Bureau. There are 6 historical markers located in Washington County.[1]
| Marker title | Image | Year placed | Location | Topics | |
|---|---|---|---|---|---|
| Morgan's Raid July 8–13, 1863[2] | 1963 | Southern side of the Washington County Courthouse in Salem 38.6056°N -86.1008°W | Military | ||
| Brock Cemetery[3] | 1981 | State Road 135 on the southwestern corner of the Brock Creek bridge, 0.5 miles north of Salem 38.6194°N -86.1006°W | Cemetery, Early Settlement and Exploration | ||
| Illinoian Glacier Boundary[4] | 1995 | Northeastern corner of the junction of State Road 135 and Lick Skillet Road, 8 miles north of Salem 38.7236°N -86.0911°W | Nature and Natural Disasters | ||
| Washington County Courthouse/Salem Downtown Historic District[5] | 1998 | Northern side of the Washington County Courthouse in Salem 38.6058°N -86.1008°W | Historic District, Neighborhoods, and Towns, Buildings and Architecture, Government Institutions | ||
| Skirmish Near Pekin[6] | 2005 | Near 5751 E. Greenbriar Road West, near Pekin 38.5161°N -86.0011°W | Military | ||
| Sarah Parke Morrison[7] | 2021 | Along N. Shelby St. between Salem High School and Ascension St. Vincent Salem Hospital, Salem 38.6122°N -86.1075°W | Women, Education, Religion |