| Capital: | Lewistown |
|---|---|
| Origen y Formación del condado: | Parts of Cumberland and Northumberland Counties. |
| Población: | 46,682 habitantes |
| Área: | 415 sq mi |
| Localización del condado dentro de Pennsylvania: |
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Localidades en Mifflin, Pennsylvania
- Alfarata
- Allensville
- Armagh Township
- Atkinson Mills
- Barrville
- Belleville
- Bratton Township
- Brown Township Mifflin County
- Burnham
- Cedar Crest
- Church Hill
- Decatur Township Mifflin County
- Derry Township Mifflin County
- Granville Township Mifflin County
- Highland Park
- Juniata Terrace
- Kistler
- Lewistown
- Longfellow
- Maitland
- Mattawana
- Mcveytown
- Menno Township
- Milroy
- Newton Hamilton
- Oliver Township Mifflin County
- Potlicker Flats
- Reedsville
- Siglerville
- Strodes Mills
- Union Township Mifflin County
- Wagner
- Wayne Township Mifflin County
- Yeagertown