| Capital: | Leon |
|---|---|
| Origen y Formación del condado: | Appanoose County |
| Población: | 8,457 habitantes |
| Área: | 532 sq mi |
| Localización del condado dentro de Iowa: |
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Localidades en Decatur, Iowa
- Bloomington Township Decatur County
- Burrell Township Decatur County
- Center Township Decatur County
- Davis City
- Decatur City
- Eden Township Decatur County
- Garden Grove
- Grand River
- High Point Township Decatur County
- Lamoni
- Le Roy
- Leon
- Long Creek Township Decatur County
- Morgan Township Decatur County
- New Buda Township Decatur County
- Pleasanton
- Van Wert
- Weldon
- Woodland Township Decatur County