Background: Childhood under-nutrition in sub-Saharan Africa is attributable to multiple factors and contributes to high morbidity and mortality rates. In Laikipia County, the prevalence of under-nutrition indicators (wasting, stunting and underweight) increased between 2017 and 2022 according to the Standardized Monitoring and Assessment of Relief and Transitions (SMART) surveys. This study aimed to; characterize bio-demographic factors, assess proportion of undernutrition indicators, determine enrollment trend, and conduct data quality analysis (DQA) for children aged 6-59 months enrolled at Doldol Subcounty Hospital Nutrition Clinic between 2019 and 2023.