Uniao (União), Piauí
Uniao: municipality in Piaui, Brazil.
Quick Facts about União
| Population | 44,569 |
| Country | Brazil |
| State | Piauí (Brazil) |
| Phone Area Codes | 86 |
| Area | 1173.45 km2 |
| Latitude & Longitude | -4.5965,-42.8647 |
| Altitude | 171 feet / 52 meters |
| Time Zone | America/Fortaleza |
| Local time | 16:48:46 (23rd September 2026) |
Geography
União is located at 4°35'47"S 42°51'53"W (-4.5964600, -42.8646800). It has 3 neighbors: Teresina, Lagoa Alegre and Miguel Alves.
Uniao map
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Demographics
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 42,654 | - | census |
| 2020 | 44,569 | 4.49% | estimation process |