City · Brazil
Parnaíba
Parnaíba is a city in the Brazilian state of Piauí. Having a population of over 170,491 inhabitants according to IBGE's 2025 estimates, it is the second most populous city in the state, after the capital Teresina. It is one of the four coastal municipalities in Piauí, all of which make up the city's metropolitan area.
Good to know
- Population: 138,008.
- Founded: 1844.
- Area: 435.6 sq km.
- Timezone: America/Fortaleza.