Abstract : Uncontrolled hypertension can cause heart disease, stroke, kidney failure, so it is necessary to know the factors causing it to be able to provide education and preventive interventions. This study aims to determine the factors that influence uncontrolled hypertension in rural areas. The study used case control. Research respondents consisted of 225 hypertensive patients in rural Indonesia consisting of 194 patients with uncontrolled hypertension and 31 patients with controlled hypertension. The operational definition of uncontrolled blood pressure is if the measurement results in blood pressure > 140/90 mmHg. Data were collected using a questionnaire consisting of demographic data, health history and lifestyle consisting of medication adherence, alcohol drinking habits, smoking habits, high sodium consumption, high fat consumption and exercise habits. Data analysis used chi square and logistic regression. Majority of uncontrolled blood pressure (86.2%), age over 55 years old (47.6%), female (78.2%), low education (84.9%), not working (52.4%), Overweight-obese (67.6%). The results of the analysis showed that the level of education (p=0.033; OR=8.735; 95%CI=1.187-64.290), high sodium consumption habits (p= 0.013; OR=3.311; 95%CI= 1.292-8.483) and medication adherence (p=0.002; OR=3.885; 95%CI=1.678-8.998). Education level, high sodium consumption habits and medication adherence influence uncontrolled hypertension in rural areas dominantly.