| Marion, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Marion |
| Pushpin Map Caption: | Location of Marion in Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Franklin |
| Subdivision Type3: | Township |
| Subdivision Name3: | Guilford |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 851 |
| Population Density Km2: | 165.14 |
| Population Density Sq Mi: | 427.64 |
| Unit Pref: | Imperial |
| Area Total Km2: | 5.15 |
| Area Land Km2: | 5.15 |
| Area Water Km2: | 0.00 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 600 |
| Coordinates: | 39.8606°N -77.7017°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 17235[2] |
| Area Code: | 717 |
| Blank Name: | FIPS code |
| Blank Info: | 42-47464 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2633812 |
| Area Footnotes: | [3] |
| Area Total Sq Mi: | 1.99 |
| Area Land Sq Mi: | 1.99 |
| Area Water Sq Mi: | 0.00 |
Marion is an unincorporated community and census-designated place (CDP) in Franklin County, Pennsylvania, United States. As of the 2020 census, the population was 851.[4]
It lies along U.S. Route 11, 6miles south of Chambersburg and 5miles north of Greencastle. Interstate 81 passes along the eastern edge of the community, with access from Exit 10 (Pennsylvania Route 914). I-81 leads northeastward to Carlisle and south to Hagerstown, Maryland.
Marion was originally called Independence, and under the latter name was laid out circa 1810.[5] A post office called Marion has been in operation since 1833.[6] The present name is after Francis Marion, army officer during the American Revolutionary War, known as the Swamp Fox.