The Counties of Kenya are geographical units created by the 2010 Constitution of Kenya as the new units of devolved government.. As of 2022, there are 47 counties in Kenya
| No | County | Environmental Assessment Report |
| 1 | Mombasa | About Mombasa county |
| 2 | Kwale | |
| 3 | Kilifi | |
| 4 | Tana River | |
| 5 | Lamu | |
| 6 | Taita–Taveta | |
| 7 | Garissa | |
| 8 | Wajir | |
| 9 | Mandera | |
| 10 | Marsabit | |
| 11 | Isiolo | |
| 12 | Meru | 
|
| 13 | Tharaka-Nithi | |
| 14 | Embu | |
| 15 | Kitui | |
| 16 | Machakos | |
| 17 | Makueni |  |
| 18 | Nyandarua | |
| 19 | Nyeri | |
| 20 | Kirinyaga | |
| 21 | Murang'a | |
| 22 | Kiambu | |
| 23 | Turkana | |
| 24 | West Pokot | |
| 25 | Samburu | |
| 26 | Trans-Nzoia | |
| 27 | Uasin Gishu | |
| 28 | Elgeyo-Marakwet | 
|
| 29 | Nandi | |
| 30 | Baringo |
|
| 31 | Laikipia | |
| 32 | Nakuru | |
| 33 | Narok | |
| 34 | Kajiado | |
| 35 | Kericho | |
| 36 | Bomet | |
| 37 | Kakamega | |
| 38 | Vihiga | |
| 39 | Bungoma | |
| 40 | Busia |  About Busia |
| 41 | Siaya | |
| 42 | Kisumu | |
| 43 | Homa Bay | |
| 44 | Migori | |
| 45 | Kisii | |
| 46 | Nyamira | |
| 47 | Nairobi |