Here is a comprehensive list of 47 counties in Kenya along with their respective codes, from 1 to 47, to help you understand the country’s administrative divisions.
| County Code | County Name | County Headquarters |
| 1 | Mombasa | Mombasa City |
| 2 | Kwale | Kwale |
| 3 | Kilifi | Kilifi |
| 4 | Tana River | Hola |
| 5 | Lamu | Lamu |
| 6 | Taita–Taveta | Mwatate |
| 7 | Garissa | Garissa |
| 8 | Wajir | Wajir |
| 9 | Mandera | Mandera |
| 10 | Marsabit | Marsabit |
| 11 | Isiolo | Isiolo |
| 12 | Meru | Meru |
| 13 | Tharaka-Nithi | Kathwana |
| 14 | Embu | Embu |
| 15 | Kitui | Kitui |
| 16 | Machakos | Machakos |
| 17 | Makueni | Wote |
| 18 | Nyandarua | Ol Kalou |
| 19 | Nyeri | Nyeri |
| 20 | Kirinyaga | Kerugoya |
| 21 | Murang’a | Murang’a |
| 22 | Kiambu | Kiambu |
| 23 | Turkana | Lodwar |
| 24 | West Pokot | Kapenguria |
| 25 | Samburu | Maralal |
| 26 | Trans-Nzoia | Kitale |
| 27 | Uasin Gishu | Eldoret |
| 28 | Elgeyo-Marakwet | Iten |
| 29 | Nandi | Kapsabet |
| 30 | Baringo | Kabarnet |
| 31 | Laikipia | Nanyuki |
| 32 | Nakuru | Nakuru City |
| 33 | Narok | Narok |
| 34 | Kajiado | Kajiado |
| 35 | Kericho | Kericho |
| 36 | Bomet | Bomet |
| 37 | Kakamega | Kakamega |
| 38 | Vihiga | Mbale |
| 39 | Bungoma | Bungoma |
| 40 | Busia | Busia |
| 41 | Siaya | Siaya |
| 42 | Kisumu | Kisumu City |
| 43 | Homa Bay | Homa Bay |
| 44 | Migori | Migori |
| 45 | Kisii | Kisii |
| 46 | Nyamira | Nyamira |
| 47 | Nairobi | Nairobi City |
There are 47 counties in Kenya that are divided further into administrative units known as the Sub-Counties. Below is a list of all the counties and their sub-counties in Kenya.
| Code | County | Headquarters | Sub-Counties |
|---|---|---|---|
| 30 | Baringo | Kabarnet | Baringo Central, Baringo North, Baringo South, Eldama Ravine, Mogotio, Tiaty |
| 36 | Bomet | Bomet | Bomet Central, Bomet East, Chepalungu, Konoin, Sotik |
| 39 | Bungoma | Bungoma | Bumula, Kabuchai, Kanduyi, Kimilil, Mt Elgon, Sirisia, Tongaren, Webuye East, Webuye West |
| 40 | Busia | Busia | Budalangi, Butula, Funyula, Nambele, Teso North, Teso South |
| 28 | Elgeyo-Marakwet | Iten | Keiyo North, Keiyo South, Marakwet East, Marakwet West |
| 14 | Embu | Embu | Manyatta, Mbeere North, Mbeere South, Runyenjes |
| 7 | Garissa | Garissa | Daadab, Fafi, Garissa Township, Hulugho, Ijara, Lagdera, Balambala |
| 43 | Homa Bay | Homa Bay | Homabay Town, Kabondo, Karachwonyo, Kasipul, Mbita, Ndhiwa, Rangwe, Suba |
| 11 | Isiolo | Isiolo | Isiolo, Merti, Garbatulla |
| 34 | Kajiado | Kajiado | Isinya, Kajiado Central, Kajiado North, Loitokitok, Mashuuru |
| 37 | Kakamega | Kakamega | Butere, Kakamega Central, Kakamega East, Kakamega North, Kakamega South, Khwisero, Lugari, Lukuyani, Lurambi, Matete, Mumias, Mutungu, Navakholo |
| 35 | Kericho | Kericho | Ainamoi, Belgut, Bureti, Kipkelion East, Kipkelion West, Soin/Sigowet |
| 22 | Kiambu | Kiambu | Gatundu North, Gatundu South, Githunguri, Juja, Kabete, Kiambaa, Kiambu, Kikuyu, Limuru, Ruiru, Thika Town, Lari |
| 3 | Kilifi | Kilifi | Ganze, Kaloleni, Kilifi North, Kilifi South, Magarini, Malindi, Rabai |
| 20 | Kirinyaga | Kerugoya/Kutus | Kirinyaga Central, Kirinyaga East, Kirinyaga West, Mwea East, Mwea West |
| 45 | Kisii | Kisii | |
| 42 | Kisumu | Kisumu | Kisumu Central, Kisumu East , Kisumu West, Muhoroni, Nyakach, Nyando, Seme |
| 15 | Kitui | Kitui | Kitui West, Kitui Central, Kitui Rural, Kitui South, Kitui East, Mwingi North, Mwingi West, Mwingi Central |
| 2 | Kwale | Kwale | Kinango, Lunga Lunga, Msambweni, Matuga |
| 31 | Laikipia | Rumuruti | Laikipia Central, Laikipia East, Laikipia North, Laikipia West , Nyahururu |
| 5 | Lamu | Lamu | Lamu East, Lamu West |
| 16 | Machakos | Machakos | Kathiani, Machakos Town, Masinga, Matungulu, Mavoko, Mwala, Yatta |
| 17 | Makueni | Wote | Kaiti, Kibwezi West, Kibwezi East, Kilome, Makueni, Mbooni |
| 9 | Mandera | Mandera | Banissa, Lafey, Mandera East, Mandera North, Mandera South, Mandera West |
| 10 | Marsabit | Marsabit | Laisamis, Moyale, North Hor, Saku |
| 12 | Meru | Meru | Buuri, Igembe Central, Igembe North, Igembe South, Imenti Central, Imenti North, Imenti South, Tigania East, Tigania West |
| 44 | Migori | Migori | Awendo, Kuria East, Kuria West, Mabera, Ntimaru, Rongo, Suna East, Suna West, Uriri |
| 1 | Mombasa | Mombasa City | Changamwe, Jomvu, Kisauni, Likoni, Mvita, Nyali |
| 21 | Murang’a | Murang’a | Gatanga, Kahuro, Kandara, Kangema, Kigumo, Kiharu, Mathioya, Murang’a South |
| 47 | Nairobi | Nairobi City | Dagoretti North, Dagoretti South, Embakasi Central, Embakasi East, Embakasi North, Embakasi South, Embakasi West, Kamukunji, Kasarani, Kibra, Lang’ata, Makadara, Mathare, Roysambu, Ruaraka, Starehe, Westlands |
| 32 | Nakuru | Nakuru | Bahati, Gilgil, Kuresoi North, Kuresoi South, Molo, Naivasha, Nakuru Town East, Nakuru Town West, Njoro, Rongai, Subukia |
| 29 | Nandi | Kapsabet | Aldai, Chesumei, Emgwen, Mosop, Nandi Hills, Tindiret |
| 33 | Narok | Narok | Narok East, Narok North, Narok South, Narok West, Transmara East, Transmara West |
| 46 | Nyamira | Nyamira | Borabu, Manga, Masaba North, Nyamira North, Nyamira South |
| 18 | Nyandarua | Ol Kalou | Kinangop, Kipipiri, Ndaragwa, Ol-Kalou, Ol Joro Orok |
| 19 | Nyeri | Nyeri | Kieni East, Kieni West, Mathira East, Mathira West, Mukurweini, Nyeri Town, Othaya, Tetu |
| 25 | Samburu | Maralal | Samburu East, Samburu North, Samburu West |
| 41 | Siaya | Siaya | Alego Usonga, Bondo, Gem, Rarieda, Ugenya, Unguja |
| 6 | Taita-Taveta | Voi | Mwatate, Taveta, Voi, Wundanyi |
| 4 | Tana River | Hola | Bura, Galole, Garsen |
| 13 | Tharaka-Nithi | Chuka | Tharaka North, Tharaka South, Chuka, Igambango’mbe, Maara, Chiakariga and Muthambi |
| 26 | Trans-Nzoia | Kitale | Cherangany, Endebess, Kiminini, Kwanza, Saboti |
| 23 | Turkana | Lodwar | Loima, Turkana Central, Turkana East, Turkana North, Turkana South |
| 27 | Uasin Gishu | Eldoret | Ainabkoi, Kapseret, Kesses, Moiben, Soy, Turbo |
| 38 | Vihiga | Vihiga | Emuhaya, Hamisi, Luanda, Sabatia, Vihiga |
| 8 | Wajir | Wajir | Eldas, Tarbaj, Wajir East, Wajir North, Wajir South, Wajir West |
| 24 | West Pokot | Kapenguria | Central Pokot, North Pokot, Pokot South, West Pokot |
Savanis