Bomet County

Joyce Cherono Laboso - 175932 votes (67.2%)

Isaac Kiprono Rutto - 85863 votes (32.8%)

Kirinyaga County

Anne Mumbi Waiguru - 159606 votes (54.09%)

Martha Wangari Karua - 120341 votes (40.78%)

Bedan Muriithi Kagai - 9621 votes (3.26%)

Joseph Kathuri Ndathi - 4628 votes (1.57%)

Kennedy Karani Macharia - 875 votes (0.3%)

Machakos County

Alfred Nganga Mutua - 244241 votes (53.15%)

Wavinya Ndeti - 204928 votes (44.6%)

Muia Jeremiah Lemi - 6432 votes (1.4%)

Bernard Muia Tom Kiala - 3898 votes (0.85%)

Nairobi County

Mike Sonko Mbuvi Kioko - 836919 votes (53.5%)

Kidero Odhiambo Evans - 670398 votes (42.86%)

Peter Kenneth - 41693 votes (2.67%)

Miguna Miguna - 9920 votes (0.63%)

Michael Mutinda Mumo- 1500 votes (0.1%)

Mwanga Inganji Francis - 1404 votes (0.09%)

Lawrence Kamau Macharia - 1339 votes (0.09%)

Godfrey Wanyoike Waweru - 1156 votes (0.07%)

Kiambu County

Ferdinand Ndungu Waititu Babayao - 758199 votes (78.16%)

William Kabogo Gitau - 203911 votes (21.02%)

James Nganga Njuguna - 4210 votes (0.43%)

Gakuru Kanyanja -  3777 votes (0.39%)

Meru County

Kiraitu Murungi - 278383 votes (51.93%)

Peter Gatirau Munya - 230618 votes (43.02%)

Kilemi Mwiria - 17327 votes (3.23%)

Kiambi James Thambura Atheru - 4078 votes (0.76%)

Bonface Kinoti Gatobu - 3545 votes (0.66%)

Winfred Kaburu - 2087 votes (0.39%)

Uasin Gishu

Jackson Kiplagat Mandago - 190056 votes (57.16%)

Zedekiah Buzeki Kiprop Bundotich - 142436 votes (42.84%)