# Kiambu County, Kenya – Constituencies, Population & Map

> Source: https://wherepedia.org/kenya/kiambu/

County · Kenya 

# Kiambu County

Kiambu County is a county of Kenya. It had an estimated **2,417,600 people** in 2019 on 2,543 km² (about 951 per km²). Its main town is Kiambu. It is divided into 12 constituencies. 362 named villages and localities are recorded here, and 1,919 mapped services such as hospitals, banks and schools.

- 2,417,600people (2019)
- 2,543km²
- 12constituencies
- 1,919mapped services

## How many people live in Kiambu County?

Kiambu County had an estimated **2,417,600 people** in 2019 — 5.1% of Kenya, 2nd of 47 counties. There are 1,036 women for every 1,000 men (above the Kenya figure of 1,020). Spread over 2,543 km², that is about **951 people per km²**, 5th of 47 counties.

30.9% of people are children under 15 and 3.5% are 65 or older; the median age is about 25 years (it is 20 across Kenya). For every 100 people of working age (15–64) there are 53 children and older people.

0–4 ****278,141**

5–9 ****241,800**

10–14 ****227,330**

15–19 ****211,921**

20–24 ****268,093**

25–29 ****253,961**

30–34 ****229,596**

35–39 ****181,328**

40–44 ****143,053**

45–49 ****112,600**

50–54 ****82,716**

55–59 ****61,991**

60–64 ****38,985**

65–69 ****29,975**

70–74 ****23,596**

75–79 ****13,520**

80–84 ****8,989**

85–89 ****5,411**

90–94 ****2,410**

95+ ****1,478**

Source: [Kenya National Bureau of Statistics via OCHA HDX, population 2019 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-ken).

## Where is Kiambu County?

Kiambu County lies in [Kenya](https://wherepedia.org/kenya/). It borders 6 other counties: [Kajiado County](https://wherepedia.org/kenya/kajiado/), [Machakos County](https://wherepedia.org/kenya/machakos/), [Murang'a County](https://wherepedia.org/kenya/murang-a/), [Nairobi County](https://wherepedia.org/kenya/nairobi/), [Nakuru County](https://wherepedia.org/kenya/nakuru/) and [Nyandarua County](https://wherepedia.org/kenya/nyandarua/). By area it is the 36th largest of 47 counties in Kenya. It covers 0.4% of [Kenya](https://wherepedia.org/kenya/). The centre of Kiambu County is about 28 km in a straight line from Nairobi, the capital. The centre point is at 1.0344° S, 36.8432° E.

Source: [IEBC via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-ken).

## Things to see in and around Kiambu County

OpenStreetMap lists 19 named sights in Kiambu County: 8 viewpoints; 4 waterfalls; 4 attractions; 1 memorial; 1 nature reserve; 1 castle or fort.

- Fort Smith · castle or fort
- Channia Falls · waterfall
- Gatamaiyu River Waterfall · waterfall
- Kimakia Waterfalls · waterfall
- Komothai river · waterfall
- Karura Nursery · nature reserve
- 3rd world viewpoint · viewpoint
- Angels Viewpoint, Ngarariga · viewpoint
- Floh"s residence · viewpoint
- Great Rift Valley · viewpoint
- Judy's Viewpoint · viewpoint
- Mahi Mahiu Longonot View Point · viewpoint
- Rift Valley View Point · viewpoint
- Rift valley viewpoint · viewpoint
- Joys Home · attraction
- Kiembethu · attraction
- Lari Motocross track · attraction
- Paradise lost · attraction
- JKUAT Monument · memorial

Source: [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright).

Named attractions, museums, viewpoints, historic sites and natural features mapped in OpenStreetMap. Places of worship are not listed.

## Know before you go: Kiambu County

- Time zoneUTC+3, no daylight saving · Africa/Nairobi
- CurrencyShilling (KES)
- Country calling code+254
- LanguagesEnglish, Swahili
- Plug typesType G · 240 V
- Driving sideLeft
- Postcode format5 digits (#####)

### Nearest airports

- Nairobi Wilson Airport (WIL) · Nairobi32 km
- Jomo Kenyatta International Airport (NBO) · Nairobi33 km

### Nearest railway station

Ruiru Railway Station (Ruiru), about 18 km from the centre.

### Daylight

Days are longest in Dec (about 12.2 hours, sunrise around 06:22) and shortest in Jun (about 12.1 hours, sunrise around 06:30, sunset around 18:34).

Month Sunrise Sunset Daylight 

Jan 06:36 18:46 12.2 h 

Feb 06:42 18:51 12.1 h 

Mar 06:38 18:45 12.1 h 

Apr 06:30 18:35 12.1 h 

May 06:26 18:30 12.1 h 

Jun 06:30 18:34 12.1 h 

Jul 06:36 18:40 12.1 h 

Aug 06:35 18:39 12.1 h 

Sep 06:24 18:31 12.1 h 

Oct 06:14 18:22 12.1 h 

Nov 06:12 18:22 12.2 h 

Dec 06:22 18:33 12.2 h 

Source: [GeoNames country and time-zone files (CC BY 4.0)](https://www.geonames.org/); [Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-02](https://www.wikidata.org/); [OurAirports (public domain)](https://ourairports.com/data/).

Airports with scheduled passenger flights; straight-line distances. Daylight is calculated for the 15th of each month in local standard time. Check entry and visa rules with official government sources before travelling.

## Constituencies of Kiambu County

Constituency Area km² Localities Services 

[Gatundu North](https://wherepedia.org/kenya/kiambu/gatundu-north/) 235 36 52 

[Gatundu South](https://wherepedia.org/kenya/kiambu/gatundu-south/) 222 54 117 

[Githunguri](https://wherepedia.org/kenya/kiambu/githunguri/) 173 60 103 

[Juja](https://wherepedia.org/kenya/kiambu/juja/) 373 14 272 

[Kabete](https://wherepedia.org/kenya/kiambu/kabete/) 56 38 93 

[Kiambaa](https://wherepedia.org/kenya/kiambu/kiambaa/) 89 32 131 

[Kiambu](https://wherepedia.org/kenya/kiambu/kiambu/) 98 28 167 

[Kikuyu](https://wherepedia.org/kenya/kiambu/kikuyu/) 174 31 192 

[Lari](https://wherepedia.org/kenya/kiambu/lari/) 466 43 126 

[Limuru](https://wherepedia.org/kenya/kiambu/limuru/) 285 34 185 

[Ruiru](https://wherepedia.org/kenya/kiambu/ruiru/) 153 5 195 

[Thika Town](https://wherepedia.org/kenya/kiambu/thika-town/) 219 5 286 

Source: [IEBC via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-ken); [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

## Villages and localities in Kiambu County

Open gazetteers list **362 villages, towns and localities** in Kiambu County. The largest with a recorded population: Ruiru (490,120), Kikuyu (323,881), Thika (251,407), Karuri (194,342), Limuru (159,314) and Juja (156,041). Settlements here lie between about 1,362 m and 2,623 m above sea level (median 1,894 m).

- Banana
- Barigito
- Barua
- Bathi
- Bavigito
- Benvar Farm
- Bibirioni
- Bratkenhurst
- Camerondale
- Chegeini
- Chieko
- Chura
- Dagoretti
- Devki
- Edenville
- Ekaru
- Escarpment
- Gacharage
- Gachege
- Gachika
- Gachoiri
- Gachugi
- Gaithege
- Gakoe
- Gatamaiyu
- Gatei
- Gathage
- Gathagi
- Gathaithi
- Gathanga
- Gathangari
- Gathanje
- Gathanji
- Gathegia
- Gathiga
- Gathima
- Gathiriga
- Gathiruini
- Gathithina
- Gathuga
- Gathugu
- Gatiabai
- Gatiiguru
- Gatimu
- Gatitu
- Gatitu B
- Gatuanibu
- Gatukuyu
- Gatundu
- Gatunguru
- Gatwamba
- Giachumi
- Giagithu
- Giathieko
- Gichagi
- Gicharani
- Gicheha
- Gicheru
- Gichiengo
- Gichocho
- Gichongo
- Gichoto
- Gichuru
- Gikambura
- Gikaru
- Gikui
- Gikure
- Gitamaiyu
- Gitaru
- Githamba
- Githega
- Githiga A
- Githiga B
- Githigui
- Githioro
- Githirioni
- Githoito
- Githunguchu
- Githunguri
- Githurai
- Githuya
- Gitiha
- Gitithia
- Gititu
- Gitombo
- Gituamba
- Gituru
- Gitwamba
- Gitwe
- Gura Gura
- Handege
- Ibonia
- Ichachiri
- Ichaweri
- Ikinu
- Ikuma
- Indian Bazaar
- Ituramiro
- Juja
- Juja Farm
- Kabete
- Kabochu
- Kabuku
- Kagaa
- Kagongo
- Kagumoini
- Kaguongo
- Kagwe
- Kagwongo
- Kahawa Wendani
- Kahuguini
- Kahuho
- Kaigu
- Kaimba
- Kairi
- Kairi Ka Igamba
- Kajinga
- Kalimoni
- Kamae
- Kamahendu
- Kamahia
- Kamandura
- Kamangu
- Kambaa
- Kambara
- Kamburu
- Kamirithu
- Kamiti Corner
- Kamondo
- Kampi Ya Njemi
- Kamuchege
- Kamuguga
- Kamunyaka
- Kamunyuini
- Kamwangi
- Kandogo
- Kangoo
- Kangoya
- Kangunyi
- Kanjai
- Kanjiru
- Kanjuku
- Kanunga
- Kanyariri
- Kanyongo
- Kanyoni
- Kanyore
- Karai
- Karatina
- Karatu
- Karembu
- Karenge
- Karia
- Kariguini
- Kariku
- Karinga
- Karugutu
- Karunga
- Karura
- Karura Kanyungu
- Karuri
- Karweti
- Kasarani
- Kasarini
- Kawaida
- Kereita
- Kiahuria
- Kiairia
- Kiama
- Kiambaa
- Kiambu
- Kiambu Forest
- Kiambururu
- Kiamwangi
- Kiamworia
- Kiangima
- Kianjogu
- Kiaria
- Kiaroworia
- Kiawanugu
- Kibanguini
- Kibichiku
- Kibichoi
- Kibiriraini
- Kibubuti
- Kidfarmaco
- Kidono
- Kieni
- Kigaa
- Kiganjo
- Kigongo
- Kigumo
- Kihara
- Kihingo
- Kihunguro
- Kijabe
- Kikuyu
- Kilima Mbogo
- Kimathi
- Kimende
- Kimunyu
- Kinari
- Kinoo
- Kinunga
- Kirangari
- Kiratina
- Kirenga
- Kirigiti
- Kiriko
- Kiriri
- Kiroe
- Komothai
- Kugeria
- Laini
- Lari
- Liliana
- Limuru
- Lower Kabete
- Lusigeti
- Lusigetti
- Magina
- Maguguni
- Magumu
- Mahinga
- Mai A Ihii
- Makutano
- Makwa
- Mangu
- Manguo
- Mararo
- Marige
- Masaku
- Mataara
- Matuguta
- Mbari
- Mbari-ya-igi
- Mbauni
- Mbogoro
- Membley
- Meretha
- Miguta
- Miiri
- Mirithu
- Misarara
- Mitahatu
- Monge're
- Muchatha
- Mugueni
- Muguga
- Mugumo
- Mugumoini
- Mukawa
- Mukinye
- Mukuruwe
- Mundoro
- Munyu
- Murengeti
- Mureria
- Mutati
- Muthiga
- Muthumu
- Muthure
- Muthurua
- Mutoma
- Mutomo
- Muuathi
- Muyaka
- Mwagu
- Mweri
- Mwimuto
- Nachu
- Nazareth
- Ndarugu
- Ndeiya
- Ndenderu
- Nderi
- Nderu
- Ndeyia
- Ndiuini
- Nduata
- Nduma
- Ndumberi
- Ndumbuini
- Ndundu
- Ndurarua
- Nduriri
- Nembu
- Neokampi
- Ngababa
- Ngarariga
- Ngecha
- Ngegu
- Ngemwa
- Ngenda
- Ngenya
- Ngethu
- Ngewa
- Nginduri
- Ngoriundito
- Ngorongo
- Nguna
- Ngure
- Njiku
- North Muguga
- Nyaga
- Nyamangara
- Nyanduma
- Nyathuna
- Old Kijabe
- Raini
- Raiyani
- Redhill
- Renguti
- Riabai
- Riara
- Rioki
- Rironi
- Ritho
- Riuki
- Roi
- Ruaka
- Ruiru
- Rukeria
- Ruku
- Rukubi
- Rungiri
- Ruthiru-ini
- Rwamburi Kiugu
- Rwenu
- Sigio
- Sigona
- South Muguga
- Tatu City
- Thakwa
- Thathi-ini
- Thembigwa
- Thigio
- Thika
- Thimbigua
- Thindigua
- Thogoto
- Thuita
- Thunguri
- Tiekunu
- Tigoni
- Tinganga
- Toritu
- Turitu
- Twin Rivers Estate
- Uplands
- Urumathi
- Uthiru
- Wabuga
- Waguthu
- Wamitaa
- Wamwangi
- Wandimi
- Wangige
- Wanyaga
- Waratho
- Yamogo
- Zambezi

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright).

## Landscape and landmarks of Kiambu County

Named natural and historic features inside Kiambu County, from the GeoNames gazetteer.

### Water

131 rivers and streams; 2 waterfalls.

- Athi
- Bathi
- Bathi
- Bugichi
- Chania
- Chania Falls
- Chiamethuti
- Chingeroti
- Choomba
- Gachoba
- Gaia
- Gatamaiyu
- Gatamayu
- Gatara
- Gathanji
- Gatheri
- Gatukuyu
- Githerioni
- Githioroni
- Gitindo
- Ikuria
- Ithanji
- Ithanji
- Ithuru

…and 109 more.

### Hills and mountains

9 hills; 1 mountain.

- Kerita · 2,434 m
- Githunguchu · 2,317 m
- Muikamba · 2,114 m
- Githunguri Gia Gichamu · 2,092 m
- Kiriri · 2,044 m
- Neokampi · 2,042 m
- Muhenia · 2,030 m
- Gikuni · 1,968 m
- Harvey Hill · 1,927 m
- Mangu · 1,780 m

### Forests and nature

10 forests; 1 nature reserve.

- Dagoretti Forest
- Gatamaiyo Forest Nature Reserve
- Kamiti Forest
- Kiambu Forest
- Kikuyu Escarpment Forest
- Kikuyu Escarpment Forest
- Kikuyu Escarpment Forest
- Lari Forest
- Muguga Forest
- Nyamweru Forest
- Thika River Forest

### Estates

71 estates.

- Amberley Estate
- Anmer Estate
- Arcadie Estate
- Badgeworth Estate
- Band Estate
- Bano
- Belvedere Estate
- Camerondale Estate
- Cianda Estate
- Closeburn Estate
- Clovelly Estate
- Cotswold Estate
- Cranhurst Estate
- Deepdrene Estate
- Doondu Estate
- Dunnottar Estate
- Fairview Estate
- Farran Estate
- Gatua Nyaga Estate
- Githogoro Plantations
- Gitiligini Estate
- Gulmarg Estate
- Ibonia Estate
- Juja Estate

…and 47 more.

### Getting around

5 railway stations; 4 airfields.

- Bobs Harries
- Kijabe
- Limuru
- Limuru
- Matathia
- Muguga Station
- Northlands Airstrip
- Tatu
- Uplands

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/).

Places of worship are not listed. Elevations are from the GeoNames terrain model and are approximate.

## Weather in Kiambu County and the best time to visit

In Kiambu County, the warmest month is Mar (average 20 °C) and the coolest is Jul (17 °C). About 788 mm of rain falls in a year; the wettest month is Apr (153 mm) and the driest Jul (25 mm). The most comfortable months for a visit are **December to March and May to October**.

- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec

Month Average °C Rain mm 

Jan 19 43 

Feb 20 30 

Mar 20 76 

Apr 19 153 

May 18 87 

Jun 18 34 

Jul 17 25 

Aug 18 32 

Sep 19 28 

Oct 20 77 

Nov 19 123 

Dec 19 80 

Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/).

## Hospitals, banks and other services in Kiambu County

Places mapped inside Kiambu County in open map data, by type — each number opens the full list with locations.

- Hospitals122
- Banks83
- ATMs4
- Petrol pumps253
- Hotels138
- Shopping malls37
- Schools826
- Colleges and universities94
- Cinemas2
- Pharmacies29
- Restaurants280
- Police stations32
- Dental clinics19

Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

Coverage depends on what has been mapped; contact details are not shown.

## Quick answers

- Where is Kiambu County?In Kenya
- What is the population of Kiambu County?2,417,600 (2019 estimate)
- What is the median age in Kiambu County?About 25 years (2019 estimate)
- What is the population density of Kiambu County?About 951 people per km²
- What borders Kiambu County?Kajiado County, Machakos County, Murang'a County, Nairobi County, Nakuru County and Nyandarua County
- What is there to see in Kiambu County?3rd world viewpoint, Angels Viewpoint, Ngarariga, Channia Falls, Floh"s residence
- What time zone is Kiambu County in?UTC+3
- What currency is used in Kiambu County?Shilling (KES)
- What language is spoken in Kiambu County?English, Swahili (main languages nationally)
- How many villages are in Kiambu County?362 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Kiambu County?Settlements lie between 1,362 m and 2,623 m
- What is the highest point in Kiambu County?Kerita (2,434 m, GeoNames elevation model)
- What is the best time to visit Kiambu County?December to March and May to October
- How many hospitals are in Kiambu County?122 mapped
- How many banks are in Kiambu County?83 mapped
- How many ATMs are in Kiambu County?4 mapped
- How many petrol pumps are in Kiambu County?253 mapped
- What is the P-code of Kiambu County?KE022 (OCHA common operational dataset)