This research was aimed to study and compare the levels of the public needs for the infrastructure service of Thab Chang Sub-district Municipality in Soidow District in Chanthaburi Province. The mixed method model of the qualitative and quantitative research was applied to this study. The research instrument was a questionnaire. The research populations were the 388 qualified voters in the area of Thab Chang Municipality in Soidow District in Chanthaburi Province. The descriptive and inferential statistics were used in this research as well as the in-depth interviews and the participatory observation. The findings showed the high levels of the public needs for the
infrastructure service of Thab Chang Municipality. The influential factors towards the public needs for the infrastructure service of Thab Chang Municipality in Soidow District in Chanthaburi Province were as follows: the differences of genders, educational backgrounds, occupations,
incomes and social status, of people in Thab Chang Sub-district Municipality showing the .05 level of statistical significance.