County Demographics
| County |
Year |
Value |
% of Active Population |
| Mombasa |
2019 |
452,990 |
43.4 |
| Marsabit |
2019 |
179,430 |
47.4 |
| Isiolo |
2019 |
102,950 |
45.3 |
| Meru |
2019 |
713,370 |
52.2 |
| Tharaka Nithi |
2019 |
195,450 |
55.7 |
| Embu |
2019 |
324,470 |
59.7 |
| Kitui |
2019 |
492,770 |
49.1 |
| Machakos |
2019 |
698,150 |
55.1 |
| Makueni |
2019 |
464,070 |
52.7 |
| Nyandarua |
2019 |
321,000 |
56.7 |
| Nyeri |
2019 |
416,460 |
61.2 |
| Kwale |
2019 |
341,230 |
46.8 |
| Kirinyaga |
2019 |
346,650 |
63.2 |
| Murang'a |
2019 |
565,320 |
60.0 |
| Kiambu |
2019 |
1,180,530 |
55.5 |
| Turkana |
2019 |
326,910 |
41.3 |
| West Pokot |
2019 |
241,190 |
47.8 |
| Samburu |
2019 |
145,100 |
86.8 |
| Trans Nzoia |
2019 |
367,810 |
43.0 |
| Uasin Gishu |
2019 |
462,270 |
45.6 |
| Elgeyo Marakwet |
2019 |
176,120 |
44.9 |
| Nandi |
2019 |
370,580 |
47.6 |
| Kilifi |
2019 |
556,510 |
44.9 |
| Baringo |
2019 |
274,310 |
48.3 |
| Laikipia |
2019 |
245,450 |
54.7 |
| Nakuru |
2019 |
936,770 |
50.1 |
| Narok |
2019 |
464,880 |
48.3 |
| Kajiado |
2019 |
468,950 |
49.3 |
| Kericho |
2019 |
394,980 |
50.2 |
| Bomet |
2019 |
365,070 |
47.9 |
| Kakamega |
2019 |
743,640 |
45.5 |
| Vihiga |
2019 |
253,730 |
48.5 |
| Bungoma |
2019 |
636,870 |
44.1 |
| Tana River |
2019 |
120,090 |
45.9 |
| Busia |
2019 |
355,450 |
45.9 |
| Siaya |
2019 |
416,310 |
47.9 |
| Kisumu |
2019 |
445,770 |
44.4 |
| Homa Bay |
2019 |
421,580 |
43.4 |
| Migori |
2019 |
405,090 |
42.7 |
| Kisii |
2019 |
509,560 |
45.6 |
| Nyamira |
2019 |
253,000 |
47.0 |
| Nairobi |
2019 |
1,918,330 |
50.3 |
| Lamu |
2019 |
62,390 |
50.6 |
| Taita Taveta |
2019 |
165,790 |
55.8 |
| Garissa |
2019 |
256,480 |
35.4 |
| Wajir |
2019 |
294,410 |
45.1 |
| Mandera |
2019 |
304,160 |
43.4 |