Água Branca Population 2026
Água Branca has a population of 17,573, making it the #1979 biggest city in 🇧🇷 Brazil, located in Piauí. It is about 706× smaller than São Paulo, the country's biggest city.
Population (city proper)
17,573
Rank in Brazil
#1979
Coordinates
5.89°S, 42.64°W
~247 m elevation · America/Fortaleza
Distance to capital (Brasília)
1,242 km
771 miles, straight line
Other big cities in Piauí
Cities near Água Branca
- Regeneração17,133 people · ~38 km away
- Amarante17,234 people · ~45 km away
- Parnarama31,250 people · ~56 km away
- Demerval Lobão16,352 people · ~60 km away
- Estreito17,647 people · ~69 km away
- Matões32,174 people · ~75 km away
FAQ
What is the population of Água Branca?
Água Branca has a population of 17,573 (city proper, latest official figure via GeoNames), making it the #1979 biggest city in Brazil.
What region is Água Branca in?
Água Branca is located in Piauí, Brazil.
Is Água Branca the capital of Brazil?
No, the capital of Brazil is Brasília, about 1,242 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.