Campo Maior Population 2026

Campo Maior has a population of 45,793, making it the #725 biggest city in 🇧🇷 Brazil, located in Piauí. It is about 271× smaller than São Paulo, the country's biggest city.

Location of Campo Maior (capital Brasília shown for reference). Boundaries: Natural Earth.

Population (city proper)

45,793

Rank in Brazil

#725

Coordinates

4.83°S, 42.17°W

~128 m elevation · America/Fortaleza

Distance to capital (Brasília)

1,371 km

851 miles, straight line

Other big cities in Piauí

City	Population	Rank in Brazil
Teresina	871,126	#19
Parnaíba	138,008	#211
Picos	83,090	#396
Piripiri	65,538	#509
Floriano	62,036	#543
Barras	47,938	#694
Altos	47,453	#705
União	46,119	#720

Cities near Campo Maior

Altos47,453 people · ~40 km away
José de Freitas42,559 people · ~46 km away
Barras47,938 people · ~66 km away
Piripiri65,538 people · ~75 km away
Teresina871,126 people · ~76 km away
Timon174,465 people · ~80 km away

FAQ

What is the population of Campo Maior?

Campo Maior has a population of 45,793 (city proper, latest official figure via GeoNames), making it the #725 biggest city in Brazil.

What region is Campo Maior in?

Campo Maior is located in Piauí, Brazil.

Is Campo Maior the capital of Brazil?

No, the capital of Brazil is Brasília, about 1,371 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.

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