Trans-Nzoia is located about 380 km from Nairobi city center. With its landmass covering an area of 2495.5km2, the county borders Uasin Gishu, Kakamega and Elgeyo Marakwet counties. Kitale town is the largest town in Trans Nzoia and its administrative capital.
The county harbors over 900,000 residents with most of them hailing from Kalenjin, Sabaoti, Abaluhya and Kikuyu communities. Most of the communities living in Trans Nzoia today have settled on farming their main economic activity. They are mixture of large scale and small scale farmers, with maize farming being the dominating industry and little traces of horticultural farming across the county.
Trans-Nzoia’s Most sought after places of interest include Mount Elgon National Park, Kitale Nature Conservancy. Saiwa Swamp National Park and Kitale Museum. Visitors are guaranteed of unique spiritual adventures & boat riding at Kitale Nature Conservancy, history & cultural heritage at the Kitale Museum, watching the rare Sitatunga Antelopes at the Saiwa Swamp and hiking at Mt. Elgon. Discover the unspoiled cultures of the Ogiek, the Sabaoti and the Luhya communities in depth.
- Because of its large scale production maize beans and other cereals, Trans-Nzoia County is widely known to as the food basket of Kenya
- The second highest mountain Kenya Mt. Elgon is located in Trans-Nzoia County.
- Saiwa Swamp National Park is the smallest National park in Kenya and it that protects the rare Sitatunga antelope here in Trans-Nzoia
- The first vice president of Kenya to die in office, Hon. Michael Kijana Wamalwa hails from this county.
- The first back-to-back winner of the famous Los Angeles Marathon, Hon Wesley Korir was born in Kitale, Trans-Nzoia County. Wesley is also the winner of the Boston Marathon in 2012 and is currently the Member of Parliament for Cherangany Constituency
- Crowned Miss Kenya at an early age of 16, Orie Rogo Manduli is one of the most celebrated women in Kenya. She was born in Trans-Nzoia County and she was also the first black African woman from Kenya to compete in the world circuit Safari Rally.