The constituencies of Kenya are used to elect members of the

National Assembly In politics, a national assembly is either a unicameral legislature, the lower house of a bicameral legislature, or both houses of a bicameral legislature together. In the English language it generally means "an assembly composed of the repr ...

, the lower chamber of the Kenyan Parliament. In accordance with Article 89 of the 2010 Constitution of Kenya, there are 290 constituencies, based on a formula where these constituencies were to be delineated based on population numbers. Each constituency returns one Member of National Assembly. The constituencies are further divided into electoral wards.

Overview

Constituencies were introduced to Kenya during the colonial era. The first general election was held in 1920 in the then

East Africa Protectorate East Africa Protectorate (also known as British East Africa) was a British protectorate in the African Great Lakes, occupying roughly the same area as present-day Kenya, from the Indian Ocean inland to the border with Uganda in the west. Cont ...

, with 11 constituencies. Between 1920 and 1956, the number of constituencies rose from 11 to 28. In 1962, prior to independence the following year, the Royal Commission was tasked to create 100 constituencies. The independence Constitution of Kenya provided that for purposes of representation in the House of Representatives, the constituencies should be between 110 and 130. The Royal Commission drew 117 constituencies across the 40 districts and

Nairobi Nairobi is the Capital city, capital and largest city of Kenya. The city lies in the south-central part of Kenya, at an elevation of . The name is derived from the Maasai language, Maasai phrase , which translates to 'place of cool waters', a ...

region. The number of constituencies increased from 117 at independence to 290 in 2013. There have been four major constituency delineations since independence: in 1966, 1986, 1996 and 2012. In 1966, the number rose from 117 to 158, to accommodate senators from the abolished

Senate of Kenya The Senate of the Republic of Kenya ( swahili: ''Seneti ya Jamhuri ya Kenya)'' is one of the two Houses of the Parliament of Kenya, along with the National Assembly. The Senate was first established as part of Kenya's 1963 Constitution. Af ...

. At this point the House of Representatives was renamed

. In 1986, an act of parliament allowed the number of constituencies to be increased from 158 to 188. The constituencies were effected during the

1988 Kenyan general election General elections were held in Kenya on 21 March 1988. At the time the county was a one-party state with the Kenya African National Union as the sole legal party. The size of the National Assembly was expanded from 158 to 188 seats prior to the ...

. In 1996, the number of constituencies was increased from 188 to 210. The number remained the same until the 2010 Constitution of Kenya increased the number of constituencies to 290, which based on a formula where these constituencies were to be delineated based on population numbers. Each constituency returns one Member of Parliament. The constitution mandates that the

Independent Electoral and Boundaries Commission The Independent Electoral and Boundaries Commission (IEBC) is an independent regulatory agency that was founded in the year 2011 through the making of the Constitution of Kenya. The Commission is responsible for conducting or supervising referen ...

(IEBC) conduct a boundary review at a minimum of eight years and a maximum of twelve years. Since the last boundaries review was conducted in March 2012, by August 2024, long after the 12-year deadline, no review has been conducted. This is attributed to the fact that there is no functioning IEBC, since most of all commissioners either resigned or retired at some point between 2022 and 2023.

Former Coast Province

Former North Eastern Province

Garissa County Garissa County is a county in Kenya located in Eastern Kenya bordering Somalia to the East, Wajir County and Isiolo County to the North, Tana River County to the West, Lamu County to the South and the Indian Ocean. Its capital and largest ur ...

* Population (2009): 623,060 * Current number of seats: 6 * Constituencies: 27. Garissa Township ''(formerly Dujis Constituency)'', 28. Balambala, 29. Lagdera, 30.

Dadaab Dadaab () is a semi-arid town in Garissa County, Kenya. It is the site of a United Nations High Commissioner for Refugees, UNHCR base hosting 426,822 registered refugees and asylum seekers as of 28 February 2025, in four refugee camp, camps (Daga ...

, 31. Fafi, 32. Ijara.

Wajir County

* Population (2009): 661,941 * Current number of seats: 6 * Constituencies: 33. Wajir North, 34. Wajir East, 35. Tarbaj, 36. Wajir West, 37. Eldas, 38. Wajir South.

Mandera County

* Population (2009): 1,025,756 * Current number of seats: 6 * Constituencies: 39. Mandera West, 40. Banissa, 41. Mandera North, 42. Mandera South, 43. Mandera East, 44. Lafey.

Former Eastern Province

Marsabit County

* Population (2009): 291,166 * Current number of seats: 4 * Constituencies: 45. Moyale, 46. North Horr, 47. Saku, 48. Laisamis.

Isiolo County Isiolo County is a county in the former Eastern Province of Kenya. Its population was 268,002 according to 2019 census. The capital and largest town in the county is Isiolo. Isiolo County is set to be the first county to be developed as part ...

* Population (2009): 143,294 * Current number of seats: 2 * Constituencies: 49. Isiolo North, 50. Isiolo South.

Meru County

* Population (2009): 1,356,301 * Current number of seats: 9 * Constituencies: 51. Igembe South, 52. Igembe Central, 53. Igembe North, 54. Tigania West, 55. Tigania East, 56. North Imenti, 57. Buuri, 58. Central Imenti, 59. South Imenti.

Tharaka-Nithi County Tharaka-Nithi County is one of the 47 counties of Kenya. It was created from Kenya's Eastern Province (Kenya), Eastern Province. The county has an area of 2609 km2 and as of the 2019 census a population of 393,177. It is home to the Meru p ...

* Population (2009): 365,330 * Current number of seats: 3 * Constituencies: 60. Maara, 61. Chuka/Igambang'ombe, 62. Tharaka.

Embu County Embu County is a Counties of Kenya, county in the Mt Kenya region in Kenya. As of 2024 its estimated population is 608,599. The county borders Kirinyaga County, Kirinyaga to the west, Kitui County, Kitui to the east, Tharaka Nithi County, Tharak ...

* Population (2009): 516,212 * Current number of seats: 4 * Constituencies: 63. Manyatta, 64. Runyenjes, 65. Mbeere South, 66. Mbeere North.

Kitui County

* Population (2009): 1,012,709 * Current number of seats: 8 * Constituencies: 67. Mwingi North, 68. Mwingi West, 69. Mwingi Central, 70. Kitui West, 71. Kitui Rural, 72. Kitui Central, 73. Kitui East, 74. Kitui South.

Machakos County Machakos County is one of the 47 counties of Kenya, which came into being as part of the devolved system of governance occasioned by the 2010 constitution of Kenya. The county's administrative headquarters are in Machakos Town, which is the l ...

* Population (2009): 1,098,584 * Current number of seats: 8 * Constituencies: 75. Masinga, 76. Yatta, 77. Kangundo, 78. Matungulu, 79. Kathiani, 80. Mavoko, 81. Machakos Town, 82. Mwala.

Makueni County Makueni County is a county in the former Eastern Province of Kenya. Its capital town is Wote. It's the largest town in the county. Emali town which is an important market and stop over for the Standard Gauge Railway (SGR), is another major tow ...

* Population (2009): 111,179 * Current number of seats: 6 * Constituencies: 83. Mbooni, 84. Kilome, 85. Kaiti, 86. Makueni, 87. Kibwezi West, 88. Kibwezi East.

Former Central Province

Nyandarua County

* Population (2009): 596,268 * Current number of seats: 5 * Constituencies: 89. Kinangop, 90. Kipipiri, 91. Ol Kalou, 92. Ol Jorok, 93. Ndaragwa.

Nyeri County

* Population (2009): 693,558 * Current number of seats: 6 * Constituencies: 94. Tetu, 95. Kieni, 96. Mathira, 97. Othaya, 98. Mukurweini, 99. Nyeri Town.

Kirinyaga County

* Population (2009): 528,054 * Current number of seats: 4 * Constituencies: 100. Mwea, 101. Gichugu, 102.

Ndia Ndia or NDIA may refer to: *Ndia Constituency, Kirinyaga District, Central Province, Kenya *Alternative name for the Southern Kirinyaga dialect of the Kikuyu language *National Defense Industrial Association, an American trade association *Nationa ...

, 103. Kirinyaga Central.

Murang'a County Murang'a County is one of the counties of Kenya's former Central Province (Kenya), Central Province. Its largest town and capital is Murang'a, which was referred to as Fort Hall during the colonial era. The county is inhabited mainly by, and i ...

* Population (2009): 942,581 * Current number of seats: 7 * Constituencies: 104. Kangema, 105. Mathioya, 106. Kiharu, 107. Kigumo, 108. Maragwa, 109. Kandara, 110. Gatanga.

Kiambu County Kiambu County is a county in the former Central Province of Kenya. Its capital is Kiambu and its largest town is Thika town. Kiambu County is the second most populous county in Kenya after Nairobi County. Kiambu County borders Nairobi and Kaji ...

* Population (2009): 1,623,282 * Current number of seats: 12 * Constituencies: 111. Gatundu South, 112. Gatundu North, 113. Juja, 114. Thika Town, 115.

Ruiru Ruiru is a municipality and sub-county in Kiambu County, Kenya. It sits within the greater Nairobi#Nairobi metropolitan region, Nairobi Metropolitan region. According to the 2019 national population census, Ruiru was the 4th largest urban centr ...

, 116.

Githunguri Githunguri is an agricultural town in central Kenya's Central Province (Kenya), Central Province. It is one of the administrative centres of Kiambu County and home to one of East Africa's largest dairy processing plant Fresha, which is owned by a ...

, 117.

Kiambu Kiambu is a town in Kiambu County, Kenya. It is from the national capital, Nairobi. It is the capital of Kiambu County, which bounds the northern border of Nairobi. Other proximate towns are Ruiru, Gatundu, Limuru and Kabete. Administr ...

, 118. Kiambaa, 119.

Kabete Kabete is the ancestral name of the present Kiambu county. Today, it is a neighbourhood that located along the border of Nairobi County, Nairobi and Kiambu County, Kiambu counties. It is located less than outside of the capital city of Nairobi. ...

, 120.

Kikuyu Kikuyu or Gikuyu (Gĩkũyũ) mostly refers to an ethnic group in Kenya or its associated language. It may also refer to: *Kikuyu people, a majority ethnic group in Kenya * Kikuyu language, the language of Kikuyu people *Kikuyu, Kenya, a town in Cen ...

, 121.

Limuru Limuru is a town in central Kenya. It serves as both a parliamentary constituency and an administrative division. As of 2004, the town's population was approximately 4,800, which significantly increased to 159,314 by the 2019 census. Location Li ...

, 122. Lari.

Former
Rift Valley Province Rift Valley Province () of Kenya, bordering Uganda, was one of Kenya's eight provinces, before the 2013 Kenyan general election. Rift Valley Province was the largest and one of the most economically important provinces in Kenya. It was dominated ...

Turkana County Turkana County is a county in the former Rift Valley Province of Kenya. It is home to the Turkana people. It is Kenya's largest county by land area of 77,597.8 km2 followed by Marsabit County with an area of 66,923.1 km2. It is bord ...

* Population (2009): 855,399 * Current number of seats: 6 * Constituencies: 123. Turkana North, 124. Turkana West, 125. Turkana Central, 126. Loima, 127. Turkana South, 128. Turkana East.

West Pokot County

* Population (2009): 512,690 * Current number of seats: 4 * Constituencies: 129. Kapenguria, 130. Sigor, 131. Kacheliba, 132. Pokot South.

Samburu County

* Population (2009): 223,947 * Current number of seats: 3 * Constituencies: 133. Samburu West, 134. Samburu North, 135. Samburu East.

Trans-Nzoia County Trans-Nzoia County is a county in the former Rift Valley Province, Kenya, located between the Nzoia River and Mount Elgon, 380 km northwest of Nairobi. At its centre is the town of Kitale which is the county capital and largest town. I ...

* Population (2009): 818,757 * Current number of seats: 5 * Constituencies: 136. Kwanza, 137. Endebess, 138. Saboti, 139. Kiminini, 140. Cherangany.

Uasin Gishu County Uasin Gishu County is one of the 47 counties of Kenya located in the former Rift Valley Province. Eldoret city has the county's largest population centre as well as its administrative and commercial centre. It is bordered by Elgeyo-Marakwet to t ...

* Population (2009): 894,179 * Current number of seats: 6 * Constituencies: 141.

Soy The soybean, soy bean, or soya bean (''Glycine max'') is a species of legume native to East Asia, widely grown for its edible bean. Soy is a staple crop, the world's most grown legume, and an important animal feed. Soy is a key source of f ...

, 142.

Turbo In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake air, forcing more air into the ...

, 143. Moiben, 144. Ainabkoi, 145. Kapseret, 146. Kesses.

Elgeyo-Marakwet County Elgeyo-Marakwet County is one of Kenya's 47 Counties of Kenya, counties. Located in the former Rift Valley Province, its capital and largest town is Iten. It borders the counties of West Pokot to the north, Baringo County to the east, southeast ...

* Population (2009): 369,998 * Current number of seats: 4 * Constituencies: 147. Marakwet East, 148. Marakwet West, 149. Keiyo North, 150. Keiyo South.

Nandi County

* Population (2009): 752,966 * Current number of seats: 6 * Constituencies: 151. Tinderet, 152. Aldai, 153. Nandi Hills, 154. Chesumei, 155. Emgwen, 156. Mosop.

Baringo County Baringo County is one of the 47 Counties of Kenya, counties in Kenya. It is located in the former Rift Valley Province. Its headquarters and largest town is Kabarnet. The county is home to Lake Baringo, Lake Bogoria and Lake Kamnarok. Geographi ...

* Population (2009): 555,561 * Current number of seats: 6 * Constituencies: 157. Tiaty, 158. Baringo North, 159. Baringo Central, 160. Baringo South, 161. Mogotio, 162. Eldama Ravine.

Laikipia County

* Population (2009): 399,227 * Current number of seats: 3 * Constituencies: 163. Laikipia West, 164. Laikipia East, 165. Laikipia North.

Nakuru County Nakuru County is a county in Kenya. It is county number 32 out of the 47 Kenyan counties. Nakuru County is a host to Kenya's Fourth City – Nakuru City. On 1 December 2021, President Uhuru Kenyatta awarded a City Charter status to Nakuru, ran ...

* Population (2009): 1,603,325 * Current number of seats: 11 * Constituencies: 166. Molo, 167. Njoro, 168. Naivasha, 169. Gilgil, 170. Kuresoi South, 171. Kuresoi North, 172. Subukia, 173. Rongai, 174. Bahati, 175. Nakuru Town West, 176. Nakuru Town East.

Narok County

* Population (2009): 850,920 * Current number of seats: 6 * Constituencies: 177. Kilgoris, 178. Emurua Dikirr, 179. Narok North, 180. Narok East, 181. Narok South, 182. Narok West.

Kajiado County

* Population (2009): 687,312 * Current number of seats: 5 * Constituencies: 183. Kajiado North, 184. Kajiado Central, 185. Kajiado East, 186. Kajiado West, 187. Kajiado South.

Kericho County

* Population (2009): 758,339 * Current number of seats: 6 * Constituencies: 188. Kipkelion East, 189. Kipkelion West, 190. Ainamoi, 191. Bureti, 192. Belgut, 193. Sigowet–Soin.

Bomet County

* Population (2009): 545,378 * Current number of seats: 5 * Constituencies: 194. Sotik, 195. Chepalungu, 196. Bomet East, 197. Bomet Central, 198. Konoin.

Former Western Province

Kakamega County

* Population (2009): 1,660,768 * Current number of seats: 12 * Constituencies: 199. Lugari, 200. Likuyani, 201. Malava, 202. Lurambi, 203. Navakholo, 204. Mumias West, 205. Mumias East, 206. Matungu, 207. Butere, 208. Khwisero, 209. Shinyalu, 210. Ikolomani.

Vihiga County Vihiga County is a County located in the former Western Province of Kenya with its headquarters in Mbale, the largest town in the county. According to the 2009 census,the county has a population of 554,622 and an area of 563 km2. Vihiga ...

* Population (2009): 554,622 * Current number of seats: 5 * Constituencies: 211.

Vihiga Vihiga is a town in Kenya located on the eastern side of the Kakamega Forest. Geography The town is located along the Kisumu- Kakamega highway, five kilometres north of the equator. Vihiga bears the same name as its county, Vihiga County. Vih ...

, 212. Sabatia, 213. Hamisi, 214.

Luanda Luanda ( ) is the Capital city, capital and List of cities and towns in Angola, largest city of Angola. It is Angola's primary port, and its major industrial, cultural and urban centre. Located on Angola's northern Atlantic coast, Luanda is Ang ...

, 215. Emuhaya.

Bungoma County Bungoma County is a county in the former Western Province of Kenya with its capital in Bungoma town. It has a population of 1,670,570 of which 812,146 are males and 858,389 are females as per the 2019 census. The county has an area of 2,069& ...

* Population (2009): 1,630,934 * Current number of seats: 9 * Constituencies: 216.

Mount Elgon Mount Elgon is an extinct shield volcano on the border of Uganda and Kenya, north of Kisumu and west of Kitale. The mountain's highest point, named "Wagagai", is located entirely within Uganda.

, 217. Sirisia, 218. Kabuchai, 219. Bumula, 220. Kanduyi, 221. Webuye East, 222. Webuye West, 223. Kimilili, 224. Tongaren.

Busia County

* Population (2009): 488,075 * Current number of seats: 7 * Constituencies: 225. Teso North, 226. Teso South, 227. Nambale, 228. Matayos, 229. Butula, 230. Funyula, 231. Budalangi.

Former
Nyanza Province Nyanza Province (; ) was one of Kenya's eight administrative provinces before the formation of the 47 counties under the 2010 constitution. Six counties were organised in the area of the former province. The region is located in the southwes ...

Siaya County Siaya County is one of the counties in the former Nyanza Province in western Kenya. It is bordered by Busia County to the north, Kakamega County, and Vihiga County to the northeast and Kisumu County to the southeast. It shares a water border ...

* Population (2009): 842,304 * Current number of seats: 6 * Constituencies: 232. Ugenya, 233. Ugunja, 234. Alego Usonga, 235. Gem, 236. Bondo, 237. Rarieda.

Kisumu County Kisumu County is one of 47 counties in the Republic of Kenya. Its borders follow those of the original Kisumu District, one of the former districts of Kenya, administrative districts of the former Nyanza Province in western Kenya. Its headquart ...

* Population (2009): 968,909 * Current number of seats: 7 * Constituencies: 238. Kisumu East, 239. Kisumu West, 240. Kisumu Central, 241. Seme, 242. Nyando, 243. Muhoroni, 244. Nyakach.

Homa Bay County Homa Bay County is a county in the former Nyanza Province of Kenya. Its capital and largest town is Homa Bay. The county has a population of 1,131,950 (2019 census) and an area of 3,154.7 km2. Lake Victoria is a major source of livelihood ...

* Population (2009): 963,794 * Current number of seats: 8 * Constituencies: 245. Kasipul, 246. Kabondo Kasipul, 247. Karachuonyo, 248. Rangwe, 249. Homa Bay Town, 250. Ndhiwa, 251. Suba North 252. Suba South.

Migori County Migori County is a counties of Kenya, county in the former Nyanza Province of southwestern Kenya. It borders Homa Bay County to the north, Kisii County to the northeast, Narok County to the southeast, Tanzania to the west and south, and Lake Vic ...

* Population (2009): 1,028,579 * Current number of seats: 8 * Constituencies: 253. Rongo, 254. Awendo, 255. Suna East, 256. Suna West, 257. Uriri, 258. Nyatike, 259. Kuria West, 260. Kuria East.

Kisii County Kisii County is a Counties of Kenya, county in the former Nyanza Province in southwestern Kenya. Its capital and largest town is Kisii, Kenya, Kisii. The county has a population of 1,266,860 people according to the 2019 Kenya Population and Hou ...

* Population (2009): 1,152,282 * Current number of seats: 9 * Constituencies: 261. Bonchari, 262. South Mugirango, 263. Bomachoge Borabu, 264. Bobasi, 265. Bomachoge Chache, 266. Nyaribari Masaba, 267. Nyaribari Chache, 268. Kitutu Chache North, 269. Kitutu Chache South.

Nyamira County

* Population (2009): 598,252 * Current number of seats: 4 * Constituencies: 270. Kitutu Masaba, 271. West Mugirango, 272. North Mugirango, 273. Borabu.

Former
Nairobi Province Nairobi is the capital and largest city of Kenya. The city lies in the south-central part of Kenya, at an elevation of . The name is derived from the Maasai phrase , which translates to 'place of cool waters', a reference to the Nairobi Rive ...

Nairobi County Nairobi City County is one of the 47 counties of Kenya. With an estimated population of 5,454,000 in 2024, it is the third-smallest in area of the counties, yet the most populous. It also serves as the capital of Kenya. The county entity was ...

* Population (2009): 3,138,369 * Current number of seats: 17

References

External links

Independent Electoral and Boundaries Commission
{{First and second-level administrative divisions of Kenya

Constituencies An electoral (congressional, legislative, etc.) district, sometimes called a constituency, riding, or ward, is a geographical portion of a political unit, such as a country, state or province, city, or administrative region, created to provi ...

Kenya Kenya, officially the Republic of Kenya, is a country located in East Africa. With an estimated population of more than 52.4 million as of mid-2024, Kenya is the 27th-most-populous country in the world and the 7th most populous in Africa. ...