1.Baringo County
Constituencies: Baringo East, Baringo West, Baringo Central, Mochongoi, Mogotio, Eldama Ravine.
2.Bomet County
Constituencies: Sotik, Chepalungu, Bomet East, Bomet Central, Konoin
3.Bungoma County
Constituencies: Mt. Elgon, Sirisia, Kabuchia, Bumula, Kandunyi, Webuye, Bokoli, Kimilili, Tongaren
4.Busia County
Constituencies: Teso North, Teso South, Nambale, Matayos, Butula, Funyula, Budalangi
5.Elgeyo/Marakwet County
Constituencies: Marakwet East, Marakwet West, Keiyo East, Keiyo South
6. Embu County
Constituencies: Manyatta, Runyejes, Gachoka, Siakago
7.Garissa County
Constituencies: TaveDujis, Balambala, Lagdera, Dadaad, Fafi, Ijara
8.Homa Bay County
Constituencies: Kasipul, Kabondo, Karachuonyo, Rangwe, Homabay Town, Ndhiwa, Mbita, Gwassi
9. Isiolo County
Constituencies: Isiolo North, Isiolo South
10.Kajiado County
Constituencies: Kajiado Central, Kajiado North, Kajiado South
11.Kakamega County
Constituencies: Lugari, Likuyani, Malava, Lurambi, Makholo, Mumias, Mumias East, Matungu, Butere, Khwisero, Shinyalu, ikolomani. Major Towns: Kakamega
12.Kericho County
Constituencies: Ainamoi, Belgut, Kipkelion
13.Kiambu County
Constituencies: Gatundu South, Gatundu North, Juja, Thika Town, Ruiru, Githunguri, Kiambu, Kiambaa, Kabete, Kikuyu, Limuru, Lari
14.Kilifi County
Constituencies: Kilifi North, Kilifi South, Kaloleni, Rabai, Ganze, Malindi, Magarini
15.Kirinyaga County
Constituencies: Mwea, Gichugu, Ndia, Kirinyaga
16.Kisii County
Constituencies: Bonchari, South Mugirango, Bomachoge, Bobasi, Gucha, Nyaribari Masaba, Nyaribari Chache, Matrani, Mosocho
17.Kisumu County
Constituencies: Kisumu East, Kisumu West, Kisumu Central, Seme, Nyando, Muhoroni, Nyakach
18.Kitui County
Constituencies: Mwingi North, Mwingi Central, Mwingi South, Kitui West, Kitui Rural, Kitui Town, Mutitu, Kitui South
19.Kwale County
Constituencies: Msambweni, Lunga Lunga, Matuga, Kinango
20.Laikipia County
Constituencies: Laikipia West, Laikipia Wast, Laikipia North
21.Lamu County
Constituencies: Lamu East, Lamu West
22.Machakos County
Constituencies: Masinga, Yatta, Kangundo, Mautungulu, Kathiani, Mavoko, Machakos Town, Mwala
23.Makueni County
Constituencies: Mbooni, Kilome, Kaiti, Makueni, Kibwezi West, Kibwezi East
24.Mandera County
Constituencies: Mandera West, Banisa, Mandera North, Mandera East, Mandera South, Lafey
25.Marsabit County
Constituencies: Moyale, North Horr, Saku, Laisamis
26.Meru County
Constituencies: Igembe South, Igembe Central, Igembe North, Tigania West, Tigania East, North Imenti, Mbuuri, Cenral Imenti, South Imenti
27.Migori County
Constituencies: Rongo, Awendo, Migori East Migori West, Uriri, Nyatike, Kuria East, Kuria West
28.Mombasa County
Constituencies: Changamwe, Jomvu, Kisauni, Nyali, likoni, Mvita Kwale
29.Murang’a County
Constituencies: Kangema, Mathioya, Kiharu, Kigumo, Maragwa, Kandara, Gatanga
30.Nairobi County
Constituencies: Westlands, Parklands, Dagoretti, Karwen / Langata, Kibira, Roysambu, Kasarani, Ruaraka, Kariobangi, kayole, Embakasi, Mihango, Nairobi West, Makadara, kamukunii, Starehe, Mathare
31.Nakuru County
Constituencies: Molo, Njoro, Naivasha, Gilgil, Kuresoi Aouth, Kuresoi North, Subukia, Rongai, Bahati, Nakuru Town West, Nakuru Town East.
32.Nandi County
Constituencies: Tinderet, Aldai, Nandi Hills, Emgwen North, Emgwen South, Mosop.
33.Narok County
Constituencies: Kilgoris, Emurua Dikirr, Narok North, Kajiado East, Kajiado West.
34.Nyamira County
Constituencies: Kitutu Masaba, North Mugirango, West Mugirango.
35.Nyandarua County
Constituencies: Kinangop, Kipipiri, Ol-Kalou, Ol-Jorok, Ndaragwa
36.Nyeri County
Constituencies: Tetu, Kieni, Mathira, Othaya, Mukuwe-ini, Nyeri Town
37. Samburu County
Constituencies: Samburu West, Samburu North, Samburu East
38.Siaya County
Constituencies: Ugenya, Ugunja, Alego Usonga, Gem, Bondo, Rarieda
39.Taita Taveta County
Constituencies: Taveta, Wundanyi, Mwatate, Voi
40.Tana River County
Constituencies: Garsen, Galole, Bura
41.Tharaka Nithi County
Constituencies: Nithi, Maara, Tharaka
42.Trans Nzoia County
Constituencies: Kwanza, Endebess, Saboti, Kiminini, Cherenganyi
43.Turkana County
Constituencies: Turkana North, Turkana West, Turkana Central, Loima, Turkana South, Turkana East.
44.Uasin Gishu County
Constituencies: Eldoret East, Eldoret North and Eldoret South.
45.Vihiga County
Constituencies: Vihiga, Sabatia, Hamisi, Emuhaya, Luanda
46.Wajir County
Constituencies: Wajir North, Wajir East, Tarbaj, Wajir West, Eldas, Wajir South
47.West Pokot County
Constituencies: Kapenguri, Sigor, Kacheliba, Poko South