Kiambu Population 2026

Kiambu has a population of 147,870, making it the #22 biggest city in 🇰🇪 Kenya, located in Kiambu County. Roughly 0.3% of Kenya's population lives here. It is about 30× smaller than Nairobi, the country's biggest city.

Location of Kiambu (capital Nairobi shown for reference). Boundaries: Natural Earth.

Population (city proper)

147,870

Rank in Kenya

#22

Coordinates

1.17°S, 36.84°E

~1,683 m elevation · Africa/Nairobi

Distance to capital (Nairobi)

13 km

8 miles, straight line

Other big cities in Kiambu County

City	Population	Rank in Kenya
Ruiru	490,120	#5
Kikuyu	323,881	#8
Karuri	194,342	#11
Limuru	159,314	#19
Juja	156,041	#20
Githunguri	63,319	#46

Cities near Kiambu

Karuri194,342 people · ~9 km away
Nairobi4,397,073 people · ~13 km away
Ruiru490,120 people · ~14 km away
Githunguri63,319 people · ~14 km away
Kikuyu323,881 people · ~21 km away
Juja156,041 people · ~21 km away

FAQ

What is the population of Kiambu?

Kiambu has a population of 147,870 (city proper, latest official figure via GeoNames), making it the #22 biggest city in Kenya.

What region is Kiambu in?

Kiambu is located in Kiambu County, Kenya.

Is Kiambu the capital of Kenya?

No, the capital of Kenya is Nairobi, about 13 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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