Mombasa - Mijikenda(29%),Kambas(16%), Luo(16%), Luhya(13%),Swahili(7%),others(19%)
Nairobi - Kikuyu(33%),Kamba(17%), Luhya(16%),Luo(15%), Somali(4%),Gusii(4%), Asians(3%),others(<10%)
Nakuru - Kikuyu(57%),Kalenjin(37%),Others(17% -Gusii,Luo,Luhya & Maasai).
Kiambu - Kikuyu(84%),Kambas(6%),others(10%).
Meru - Meru(92%),Tharaka(6%),Others(4%)
Tharaka Nithi - Tharaka(96%)
Kirinyanga -Kikuyu(94%)
Nyeri -Kikuyu(94%)
Muranga -Kikuyu(96%)
Nyandarua - Kikuyu(95%)
Kilifi - Mijikenda(85%),Others(15%)
Kwale - Mijikenda(83%),Kamba(8%),Others(9%)
Machakos - Kamba(93%)
Kitui - Kamba(95%)
Makueni - Kamba(97%)
Siaya - Luo (94%)
Homabay - Luo(96%)
Garissa - Somali(93% -Ogaden-86%)
Mandera -Somali(98% -consisting of Hawiyah(15%), Gurre (49%),Degodia(28%))
Wajir - Somali(97% - Ajuran (20%),Degodia(46%),Ogaden(26%))
Embu - Embu(47%),Mbeere (36%),Kamba(9%),Kikuyu(7%)
Kakamega - Luhya(Isukha,Idakho,Tsotso,Wanga,Marama,Kisia,Kabras,Tachoni),Others
Uasin Gishu - Kalenjin(Nandi, Keiyo), Kikuyu, Luhyas, Others
Nandi - Kalenjin(Nandi,Kipisigis), Luhya
Vihiga - Luhya(Maragoli(50%),Bunyore(35%),Tiriki(10%))
Bungoma - Luhya(85% -Bukusu,Tachoni), Kalenjin-Sabaot(12%)
Busia - Iteso,Luhyas (-Marachi,Samia, Banyala,Khayo)
Transzoia - Kalenjin - (Nandi,Sabaot), Luhyas (Bukusu & others),Kikuyu,Gusii
Narok - Maasai ( Purko, Keekonyikie,Uasin Gishu, Siria, Ma), Kipsigis, Kikuyu, Gusii
Kajiado - Maasai (),Kikuyu,Kamba, Others
Taita Taveta - Taita, Taveta, Wadawida,
Tana River - Pokomo, Orma
Lamu - Bajuni, Kikuyu(35%),coastal
Bomet - Kalenjin-Kipsigis(95%)
Kericho -Kalenjin-Kipsigis(95%)
Baringo -(Kalenjin-Tugen,Pokot), (Maa-Ilchamus)
WestPokot - Pokot(95%)
Elgeyo Marakwet - Kalenjin-95% (Keiyo-52%, Marakwet-48%)
Turkana - Turkana(95%)
Isiolo - Borana,Turkana,Somali & Meru
Marsabit - Borana,Garre,Rendile
Kisumu - Luo(93%), Others(7%)
Migori - Luo(75%), Kuria(25%)
Kisii - Gusii(95%)
Nyamira - Gusii(95%)
Laikipia - Kikuyu, Maa-(Laikipiak)
Samburu - Samburu ()