According to 2001 commune census the population of Sadjoavato was 7,600.
Only primary schooling is available in town. The town provides access to hospital services to its citizens. The majority 98% of the population are farmers, while an additional 1.5% receives their livelihood from raising livestock. The most important crop is maize, while other important products are cassava and rice. Services provide employment for 0.5% of the population.