Riachão Population 2026
Riachão has a population of 22,145, making it the #1592 biggest city in 🇧🇷 Brazil, located in Maranhão. It is about 560× smaller than São Paulo, the country's biggest city.
Population (city proper)
22,145
Rank in Brazil
#1592
Coordinates
7.36°S, 46.62°W
~385 m elevation · America/Fortaleza
Distance to capital (Brasília)
947 km
588 miles, straight line
Other big cities in Maranhão
| City | Population | Rank in Brazil |
|---|---|---|
| São Luís | 917,237 | #16 |
| São José de Ribamar | 244,579 | #114 |
| Imperatriz | 218,106 | #133 |
| Timon | 174,465 | #166 |
| Caxias | 156,973 | #187 |
| Paço do Lumiar | 145,643 | #202 |
| Codó | 114,275 | #273 |
| Açailândia | 106,550 | #296 |
Cities near Riachão
- Balsas101,767 people · ~67 km away
- Santa Luzia22,909 people · ~73 km away
- Carolina24,062 people · ~93 km away
- Formosa da Serra Negra17,719 people · ~112 km away
- Estreito33,294 people · ~128 km away
- São Raimundo das Mangabeiras18,672 people · ~131 km away
FAQ
What is the population of Riachão?
Riachão has a population of 22,145 (city proper, latest official figure via GeoNames), making it the #1592 biggest city in Brazil.
What region is Riachão in?
Riachão is located in Maranhão, Brazil.
Is Riachão the capital of Brazil?
No, the capital of Brazil is Brasília, about 947 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.