| Official Name: | Milroy, Indiana |
| Settlement Type: | Unincorporated community and Census-designated place |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Rush |
| Subdivision Type3: | Township |
| Subdivision Name3: | Anderson |
| Area Total Km2: | 1.72 |
| Area Land Km2: | 1.72 |
| Population As Of: | 2020 |
| Population Total: | 628 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.5006°N -85.4672°W |
| Elevation Ft: | 965 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46156 |
| Area Code: | 765 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2629873 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.66 |
| Area Water Km2: | 0.00 |
| Area Land Sq Mi: | 0.66 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 948.64 |
| Population Density Km2: | 366.11 |
Milroy is a census-designated place in Anderson Township, in the southern part of Rush County, in the U.S. state of Indiana.
Milroy was laid out and platted in 1830.[2] The Milroy post office has been in operation since 1832.[3]
The community contains Milroy Elementary School, a public school in the county school district.[4]