# Siaya County, Kenya – Constituencies, Population & Map

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

County · Kenya 

# Siaya County

Siaya County is a county of Kenya. It had an estimated **993,165 people** in 2019 on 3,520 km² (about 282 per km²). Its main town is Siaya. It is divided into 6 constituencies. 442 named villages and localities are recorded here, and 289 mapped services such as hospitals, banks and schools.

- 993,165people (2019)
- 3,520km²
- 6constituencies
- 289mapped services

## How many people live in Siaya County?

Siaya County had an estimated **993,165 people** in 2019 — 2.1% of Kenya, 19th of 47 counties. There are 1,106 women for every 1,000 men (above the Kenya figure of 1,020). Spread over 3,520 km², that is about **282 people per km²**, 20th of 47 counties.

41.4% of people are children under 15 and 6.0% are 65 or older; the median age is about 19 years (it is 20 across Kenya). For every 100 people of working age (15–64) there are 90 children and older people.

0–4 ****121,658**

5–9 ****137,836**

10–14 ****151,148**

15–19 ****117,382**

20–24 ****79,649**

25–29 ****65,306**

30–34 ****65,321**

35–39 ****47,569**

40–44 ****41,157**

45–49 ****30,559**

50–54 ****26,902**

55–59 ****25,446**

60–64 ****23,769**

65–69 ****20,342**

70–74 ****16,566**

75–79 ****9,441**

80–84 ****7,089**

85–89 ****4,039**

90–94 ****1,336**

95+ ****468**

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 Siaya County?

Siaya County lies in [Kenya](https://wherepedia.org/kenya/). It borders 5 other counties: [Busia County](https://wherepedia.org/kenya/busia/), [Homa Bay County](https://wherepedia.org/kenya/homa-bay/), [Kakamega County](https://wherepedia.org/kenya/kakamega/), [Kisumu County](https://wherepedia.org/kenya/kisumu/) and [Vihiga County](https://wherepedia.org/kenya/vihiga/). By area it is the 24th largest of 47 counties in Kenya. It covers 0.6% of [Kenya](https://wherepedia.org/kenya/). The centre of Siaya County is about 321 km in a straight line from Nairobi, the capital. The centre point is at 0.0577° S, 34.1999° 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 Siaya County

OpenStreetMap lists 7 named sights in Siaya County: 3 attractions; 1 theme park; 1 nature reserve; 1 waterfall; 1 memorial.

- Yala Falls · waterfall
- Utonga Nature Conservancy · nature reserve
- Mama Sarah Obama Home · attraction
- Thogoe Beach/Usenge · attraction
- Ugambe Beach · attraction
- Ramogi Achieng Oneko Meseum · memorial
- UCHIPI HILLS · theme park

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: Siaya 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

- Kisumu International Airport (KIS) · Kisumu59 km
- Eldoret International Airport (EDL) · Eldoret126 km

### Daylight

Days are longest in Dec (about 12.1 hours, sunrise around 06:34) and shortest in Sep (about 12.1 hours, sunrise around 06:35, sunset around 18:41).

Month Sunrise Sunset Daylight 

Jan 06:48 18:55 12.1 h 

Feb 06:53 19:00 12.1 h 

Mar 06:49 18:56 12.1 h 

Apr 06:40 18:46 12.1 h 

May 06:35 18:42 12.1 h 

Jun 06:39 18:46 12.1 h 

Jul 06:45 18:52 12.1 h 

Aug 06:44 18:51 12.1 h 

Sep 06:35 18:41 12.1 h 

Oct 06:25 18:32 12.1 h 

Nov 06:24 18:31 12.1 h 

Dec 06:34 18:41 12.1 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 Siaya County

Constituency Area km² Localities Services 

[Alego Usonga](https://wherepedia.org/kenya/siaya/alego-usonga/) 608 95 70 

[Bondo](https://wherepedia.org/kenya/siaya/bondo/) 1,311 118 46 

[Gem](https://wherepedia.org/kenya/siaya/gem/) 403 96 41 

[Rarieda](https://wherepedia.org/kenya/siaya/rarieda/) 679 75 12 

[Ugenya](https://wherepedia.org/kenya/siaya/ugenya/) 321 50 29 

[Ugunja](https://wherepedia.org/kenya/siaya/ugunja/) 199 31 91 

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 Siaya County

Open gazetteers list **442 villages, towns and localities** in Siaya County. The largest with a recorded population: Siaya (33,153), Bondo (22,712), Bondo (8,683), Usenge (7,976), Ogunja (7,060) and Sega (4,179). Settlements here lie between about 1,138 m and 1,526 m above sea level (median 1,237 m).

- Abidha
- Abimbo Linyigo
- Abom
- Achage
- Aduya
- Agage
- Agoro-Lieye
- Agulu
- Ahono
- Ajigo
- Akala
- Akala D
- Akoko
- Alara
- Aluny
- Aluor
- Ambira
- Anduro
- Anyieka
- Anyiko
- Anyuongi
- Apouche/Apuoyo
- Aram
- Asango
- Asayi
- Asembo
- Awelo
- Bar Anyanga A
- Bar Anyanga B
- Bar Kanyango
- Bar Olengo
- Bar Sauri
- Baragulu
- Barding
- Barkalare
- Barkowino
- Baroseno
- Boi
- Boke
- Bondo
- Boro
- Budala
- Buholo
- Bukeki
- Bukhwanga
- Bulungo
- Bungasi
- Bur Yiro
- Busonga
- Buyuku
- Chamakwaro South
- Chianda
- Dago A
- Dago B
- Dendyo
- Dienya
- Dondi
- Ebukambuli
- Ebukoolo
- Futro
- Gagra
- Gangu
- Gari
- Ginga A
- Ginga B1
- Gobei
- Goma Upper
- Gombe
- Gongo
- Gor Abiero
- Gori
- Got Agulu
- Got Kochola
- Got Kopolo
- Got Matar
- Got Nanga
- Goye
- Gwena North
- Hono
- Hudiba
- Humwend
- Inungo
- Jamba
- Jera
- Jina
- Jusa
- K'ogelo
- Kabor A2
- Kabura B2
- Kadenge
- Kadengi
- Kadhasi A1
- Kadhasi A11
- Kadibuo
- Kadimu
- Kagilo
- Kagonya
- Kagwa
- Kakech
- Kakumba/Nyambiro/Urunga Uhwak/Obwogere
- Kakumu East
- Kakwany A
- Kalandini
- Kalenjuok
- Kamatindo B
- Kambare
- Kamlugo b6
- Kamrembo Siwandhe
- Kamsao B
- Kandaria
- Kanyanaya
- Kanyibok
- Kanyilaji A
- Kapiyo
- Karadolo
- Kasiwa
- Kathieno A
- Kathieno B
- Kathieno C
- Kaudha
- Kawiri
- Kawundi
- Kerebi
- Khadundu
- Khukunda
- Kikomba
- Kindho
- Kipasi
- Kirindo A
- Kodiaga
- Kodiero
- Kodongo
- Kogere
- Kogoe
- Kokise
- Kokwire B
- Kolal
- Kolali
- Komenya/Rabar
- Komouk
- Kona Kawaka
- Kongao
- Konyango B
- Kotoo B
- Kotoo C
- Kowe
- Koywa
- Kubar
- Kuding
- Kurindo
- Kwadielman
- Lenga A
- Lenya
- Lieta
- Ligala
- Ligega
- Ligoma
- Liunda Beach
- Luero
- Lul
- Luri
- Lusi
- Luthehe
- Lwak
- Lwala
- Lwala B
- Lwanda
- Lwanda Kotieno
- Lwanyange
- Lweya
- Mabinjo
- Madiany
- Madunda
- Magak
- Mago B
- Mahanga A
- Mahanga Beach
- Mahaya
- Mahoma
- Majengo
- Majiwa
- Malanga
- Malele
- Maliera
- Malomba
- Manywanda
- Maranda
- Maranyona
- Marsala
- Masene
- Masita
- Masogo
- Matangwe
- Matore
- Maumau
- Mawere / Ndira B
- Mbaga
- Mban/Masambra
- Mbeka
- Meari
- Memba
- Migoko
- Migosi
- Migowa
- Minya
- Miruka
- Misori
- Mitiro
- Mituri
- Miyare
- Miyonga
- Mtam
- Mudondo
- Muhanda
- Muhuwa
- Mulufumba
- Mumbo
- Mung'ao
- Mur Malanga
- Muweri
- Nalo B
- Nambo
- Nango
- Nango B
- Naya
- Ndagaria B
- Ndegwe
- Ndenga
- Ndere
- Ndigwa
- Ndira
- Ndisi
- Ndiwo
- Ndori
- Nduru
- Nduru Market
- Ngiya
- Ngolo
- Ngop Msengini
- Ngulu B
- Ngunya
- Ngura
- Ninga
- Nyabeda
- Nyabenge
- Nyabera
- Nyadhi
- Nyadorera
- Nyagoko
- Nyagondo
- Nyagunda
- Nyajuok
- Nyakasumbi
- Nyakongo
- Nyalaji
- Nyalenya
- Nyalueny
- Nyamira
- Nyamninia
- Nyamonye
- Nyamonye Girls Secondary School
- Nyamosore
- Nyamsenda
- Nyamwang
- Nyandiwa
- Nyandusi
- Nyangera
- Nyangera Maranda
- Nyangoma
- Nyangweso
- Nyang’oma
- Nyapiedho
- Nyasita
- Nyawara
- Nyawita
- Nyhgoma
- Nyilima
- Nzoia
- Oboch
- Ochienga
- Ochilo
- Odiado
- Oduro
- Oele Beach
- Ogare
- Ogero
- Ogunja
- Ogwato
- Ojwando A
- Olawa
- Omindo
- Ondero
- Onding
- Ongielo
- Opar Sirinde
- Opar Uradi
- Orengo
- Osieko
- Osieko Beach B
- Othach
- Othoche
- Ouru Wo Roya
- Owimbi
- Pala
- Pap Godero
- Pap Gori
- Pap Kakan
- Pap Kodero
- Pap Kolal
- Pap Nyadiel
- Pith Dero
- Port Southby
- Pudha B
- Rachar
- Ragoum
- Rakombe
- Rakuom
- Ralak
- Ralingu
- Ramba
- Rambugi
- Rambula
- Ramogi
- Ramula
- Ramunde
- Ramuya
- Ranalo
- Rangala
- Rapiew
- Rarieda
- Ratuoro
- Rawalo
- Regengni
- Regeya
- Rera
- Rongo
- Rukunga
- Ruma
- Ruwe
- Rwambwa
- Sanda
- Saradidi
- Saradindi
- Saranga
- Sega
- Segere
- Siala Kaduol
- Siamufua
- Siamungu
- Siaya
- Siaya Police Lines
- Sidindi
- Sidok
- Sifuyu
- Siger
- Sigomere
- Sikalame
- Sikinga A
- Simenya centre
- Simerro
- Simur
- Sinaga
- Sinyanya
- Sirandu
- Siranga
- Sirembe
- Siriwo
- Sirongo
- Somro
- Tangla
- Tin'Gwangi
- Tula
- URANGA
- Udira
- Ugingo East
- Ugogwa
- Ugumba
- Ugunja
- Uhanya Beach
- Uhembo
- Uholo
- Uhuaya
- Uhuyi
- Ujimbe
- Ujwanga
- Ukalama
- Ukungu
- Ukwala
- Ulanda
- Ulawi
- Uloma
- Uludu
- Ulumba
- Ulumbi
- Umala
- Umina
- Umina B
- Umiru Town C
- Unyolo
- Upper Central Unit

…and 42 more.

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 Siaya County

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

### Water

81 rivers and streams; 4 lakes; 1 waterfall.

- Achar
- Agonda
- Alara Yenga
- Aredo
- Arese
- Banda
- Dhene
- Edzawa
- Firatsi
- Gaula
- Homba
- Hutror
- Hyanza
- Irana
- Kanigua
- Kanja
- Kirand
- Kisama
- Kiseke
- Kitanibo
- Lake Kanyaboli
- Lake Namboyo
- Lake Sare
- Lake Uranga

…and 62 more.

### Coast and islands

13 islands; 6 bays; 6 headlands.

- Asembo Bay
- Chausu Point
- Kadimu Bay
- Koyamo Island
- Mageta Island
- Magogo Island
- Misori Point
- Mogari Island
- Naya Bay
- Ndede Island
- Saga Island
- Sanda Point
- Seki Island
- Sentinel Island
- Sifu Island
- Sirgombe Island
- Tutu Point
- Ugowe Bay
- Usenge Bay
- Utonga Bay
- Uyoma Point
- Wahondo Island
- Wayaga Island
- Wusengi Point

…and 1 more.

### Hills and mountains

18 hills.

- New Regeya · 1,430 m
- Odidi · 1,392 m
- Nguge · 1,391 m
- Onyanje · 1,349 m
- Akarra · 1,324 m
- Got Oyengo · 1,324 m
- Ramogi · 1,322 m
- Mbaga · 1,312 m
- Abiero · 1,310 m
- Usire · 1,297 m
- Serawongo · 1,288 m
- Kisendo · 1,280 m
- Rembo · 1,275 m
- Naya · 1,268 m
- Odiero · 1,223 m
- Utonga · 1,215 m
- Kipasi · 1,205 m
- Nambale · 1,162 m

### History

1 ancient site.

- Chianda Fossil Beds

### Getting around

1 airfield; 1 bridge.

- Ndere
- Yala Bridge

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 Siaya County and the best time to visit

In Siaya County, the warmest month is Feb (average 24 °C) and the coolest is Jul (22 °C). About 1,868 mm of rain falls in a year; the wettest month is Apr (268 mm) and the driest Feb (71 mm). The most comfortable months for a visit are **January to February and June to August**.

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

Month Average °C Rain mm 

Jan 24 89 

Feb 24 71 

Mar 24 192 

Apr 23 268 

May 23 234 

Jun 22 111 

Jul 22 75 

Aug 23 113 

Sep 23 144 

Oct 23 194 

Nov 23 232 

Dec 23 144 

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

## Hospitals, banks and other services in Siaya County

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

- Hospitals38
- Banks8
- Petrol pumps19
- Hotels58
- Shopping malls3
- Schools128
- Colleges and universities7
- Pharmacies4
- Restaurants17
- Police stations7

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 Siaya County?In Kenya
- What is the population of Siaya County?993,165 (2019 estimate)
- What is the median age in Siaya County?About 19 years (2019 estimate)
- What is the population density of Siaya County?About 282 people per km²
- What borders Siaya County?Busia County, Homa Bay County, Kakamega County, Kisumu County and Vihiga County
- What is there to see in Siaya County?Mama Sarah Obama Home, Ramogi Achieng Oneko Meseum, Thogoe Beach/Usenge, UCHIPI HILLS
- What time zone is Siaya County in?UTC+3
- What currency is used in Siaya County?Shilling (KES)
- What language is spoken in Siaya County?English, Swahili (main languages nationally)
- How many villages are in Siaya County?442 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Siaya County?Settlements lie between 1,138 m and 1,526 m
- What is the highest point in Siaya County?New Regeya (1,430 m, GeoNames elevation model)
- What is the best time to visit Siaya County?January to February and June to August
- How many hospitals are in Siaya County?38 mapped
- How many banks are in Siaya County?8 mapped
- How many petrol pumps are in Siaya County?19 mapped
- What is the P-code of Siaya County?KE041 (OCHA common operational dataset)