🌆 Largest Cities in Gabon

Cities of Gabon with more than 15,000 inhabitants, ranked by population (GeoNames).

📅 2026📏 people15 entries🇬🇦 See all of this country’s rankings →

Libreville49%

Port-Gentil9.5%

Franceville7.7%

Owendo5.5%

Oyem4.2%

Moanda4.1%

Ntoum3.6%

Lambaréné2.7%

Mouila2.5%

Akanda

Tchibanga

Bitam

Koulamoutou

Oyam

Makokou

Each tile’s area is its share of the combined total of 1,731,692 (15 entries). Stronger colour means a higher rank.

LibrevilleEstuaire

846,090

Port-GentilOgooué-Maritime

164,018

FrancevilleHaut-Ogooué

132,895

OwendoEstuaire

95,313

OyemWoleu-Ntem

72,939

MoandaHaut-Ogooué

71,099

NtoumEstuaire

62,445

LambarénéMoyen-Ogooué

46,605

MouilaNgouni

43,342

AkandaEstuaire

41,524

TchibangaNyanga

36,108

BitamWoleu-Ntem

33,561

KoulamoutouOgooué-Lolo

30,830

OyamMoyen-Ogooué

30,100

MakokouOgooué-Ivindo

24,823

Highlights

Within Gabon, Libreville ranks first in 2026 with 846,090, followed by Port-Gentil (164,018) and Franceville (132,895).

Libreville is 5.2 times higher than Port-Gentil, the runner-up.

Across 15 entries, values run from 846,090 (Libreville) to 24,823 (Makokou), with a median of 46,605.

Source: GeoNames, cities with more than 15,000 inhabitants, 2026. Unit: people.

Source: GeoNames, cities with more than 15,000 inhabitants · CC BY 4.0 (GeoNames) · fetched Oct 14, 2026 — GeoNames aggregates census and estimate figures, so the reference year varies by city, and a few figures cover the metropolitan area rather than the city proper.