_id name Population No.of Households Avg Household size 1 Kenya 47213282 12143913 39 2 Mombasa 1190987 378422 31 3 Kwale 858748 173176 50 4 Kilifi 1440958 298472 48 5 Tana River 314710 68242 46 6 Lamu 141909 37963 37 7 Taita-Taveta 335747 96429 35 8 Garissa 835482 141394 59 9 Wajir 775302 127932 61 10 Mandera 862079 125763 69 11 Marsabit 447150 77495 58 12 Isiolo 267997 58072 46 13 Meru 1535635 426360 36 14 Tharaka-Nithi 391303 109860 36 15 Embu 604769 182743 33 16 Kitui 1130134 262942 43 17 Machakos 1414022 402466 35 18 Makueni 977015 244669 40 19 Nyandarua 636002 179686 35 20 Nyeri 752695 248050 30 21 Kirinyaga 605630 204188 30 22 Murang'a 1053059 318105 33 23 Kiambu 2402834 795241 30 24 Turkana 922210 164519 56 25 West Pokot 618867 116182 53 26 Samburu 307957 65910 47 27 Trans Nzoia 985333 223808 44 28 Uasin Gishu 1152671 304943 38 29 Elgeyo-Marakwet 453403 99861 45 30 Nandi 883634 199426 44 31 Baringo 662760 142518 47 32 Laikipia 513879 149271 34 33 Nakuru 2142667 616046 35 34 Narok 1149379 241125 48 35 Kajiado 1107296 316179 35 36 Kericho 896863 206036 44 37 Bomet 873023 187641 47 38 Kakamega 1861332 433207 43 39 Vihiga 587189 143365 41 40 Bungoma 1663898 358796 46 41 Busia 886856 198152 45 42 Siaya 989708 250698 39 43 Kisumu 1144777 300745 38 44 Homa Bay 1125823 262036 43 45 Migori 1108950 240168 46 46 Kisii 1260509 308054 41 47 Nyamira 603051 150669 40 48 Nairobi 4337080 1506888 29