Counties codes in Kenya represent the numbers signifying counties in the country.
There are 47 counties which have been allocated different codes; for instance, Mombasa County is code I while Nairobi County is code 47.
Counties codes in Kenya
| Counties | County Code |
| Mombasa | 1 |
| Kwale | 2 |
| Kilifi | 3 |
| Tana River | 4 |
| Lamu | 5 |
| Taita–Taveta | 6 |
| Garissa | 7 |
| Wajir | 8 |
| Mandera | 9 |
| Marsabit | 10 |
| Isiolo | 11 |
| Meru | 12 |
| Tharaka-Nithi | 13 |
| Embu | 14 |
| Kitui | 15 |
| Machakos | 16 |
| Makueni | 17 |
| Nyandarua | 18 |
| Nyeri | 19 |
| Kirinyaga | 20 |
| Murang’a | 21 |
| Kiambu | 22 |
| Turkana | 23 |
| West Pokot | 24 |
| Samburu | 25 |
| Trans-Nzoia | 26 |
| Uasin Gishu | 27 |
| Elgeyo-Marakwet | 28 |
| Nandi | 29 |
| Baringo | 30 |
| Laikipia | 31 |
| Nakuru | 32 |
| Narok | 33 |
| Kajiado | 34 |
| Kericho | 35 |
| Bomet | 36 |
| Kakamega | 37 |
| Vihiga | 38 |
| Bungoma | 39 |
| Busia | 40 |
| Siaya | 41 |
| Kisumu | 42 |
| Homa Bay | 43 |
| Migori | 44 |
| Kisii | 45 |
| Nyamira | 46 |
| Nairobi (County) | 47 |
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