| Baldwin, Maryland | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Maryland#USA |
| Pushpin Map Caption: | Location within the State of Maryland |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Baltimore |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.4947°N -76.4703°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 589687 |
Baldwin is an unincorporated community in Baltimore County, Maryland, United States. The USPS has assigned Baldwin the ZIP Code 21013.[1] Until 1958, this community was served by the Maryland and Pennsylvania Railroad at milepost 18.4. Hidden Valley Farm was listed on the National Register of Historic Places in 1983.