| Millsboro, Pennsylvania | |
| Settlement Type: | census-designated place |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.04 |
| Area Land Km2: | 2.04 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 580 |
| Population Density Km2: | 284.12 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.9864°N -79.9933°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank Info: | 42-49880 |
| Blank1 Name: | GNIS feature ID |
| Area Total Sq Mi: | 0.79 |
| Area Land Sq Mi: | 0.79 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 736.04 |
Millsboro is a census-designated place[3] located in East Bethlehem Township, Washington County, Pennsylvania. The community was part of the Fredericktown-Millsboro CDP for the 2000 census but was split into two separate CDPs for the 2010 census, the other community being Fredericktown. Millsboro is located in far southern Washington County, along Pennsylvania Route 88, which travels along the Monongahela River. As of the 2010 census[3] the population was 666 residents.