The objective of this study is to assess the utilization and satisfactions about public health centers in Korea. For the analysis, the study utilize the nationwide data of 229,229 person on '2010 Community Health Survey' of Ministry of Health & Welfare. The statistical methodology used in the study is ${\chi}^2$, ANOVA, logistic regression model and multiple regression model. This study have four major findings. First, the significant affecting socio-demographic factors in utilizing public health center were gender, age, region, national basic living secured, married, income, education, job, state of health, chronic disease, unmet medical needs and utilization reason. Second, the most serviced category of health center user was vaccination both city and rural area and the next was certificate, primary care, health screening, other use, the mother and child in city area, primary care, health screening, certificate, home visiting health in rural area. Third, the significant affecting socio-demographic factors in satisfaction degree on health center service were age, region, national basic living secured, income, education, job, state of health, utilization degree and reason. Fourth, the most satisfied service of health service center was home visiting health in city area and mental health service in rural area and the next was nutritive control and the lowest satisfied service was user of certificate. The utilization and satisfaction on health center service were identified as different with residental area and user's characteristics. The politic effort are needed to support socially disadvantaged class and to narrow regional gap.