Delaware, Indiana should not be confused with Delaware County, Indiana.
| Official Name: | Delaware, Indiana |
| Settlement Type: | Unincorporated community and Census-designated place |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Delaware |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Ripley |
| Subdivision Type3: | Township |
| Subdivision Name3: | Delaware |
| Established Title: | Platted |
| Established Date: | 16 May 1870 |
| Timezone: | Eastern |
| Utc Offset: | -5 |
| Timezone Dst: | Eastern |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.1456°N -85.2061°W |
| Elevation Ft: | 938 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47037 |
| Area Code: | 812, 930 |
| Blank Name: | FIPS code |
| Blank Info: | 18-17506[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2830512 |
Delaware is an unincorporated community in Delaware Township, Ripley County, in the U.S. state of Indiana.
Delaware was platted in 1870.[2] An old variant name of the community was called Rei.[3]
A post office was established at Delaware in 1838, and operated until 1933.[4]
The United States Census Bureau first delineated Delaware as a census designated place in the 2022 American Community Survey.[5]