Pio IX
Municipality of Pio IX
Município de Pio IX | |
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 Flag  Seal | |
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| Coordinates: 06°50′16″S 40°34′44″W / 6.83778°S 40.57889°W | |
| Country | Brazil |
| Region | Northeast |
| State | Piauí |
| Settled | January 1, 1939 |
| Government | |
| • Mayor | Jose Mesquita Viana de Andrade (PSDB) |
| Area | |
• Total | 1,948.843 km2 (752.452 sq mi) |
| Elevation | 495 m (1,624 ft) |
| Population (2020 [1]) | |
• Total | 18,459 |
| • Density | 8.6/km2 (22/sq mi) |
| Time zone | UTC−3 (BRT) |
| HDI (2000) | 0.572 – medium[2] |
Pio IX is the easternmost city in the Brazilian state of Piauí. The city is named after Pope Pius IX.