The increasing population is a big problem for countries in the world, especially developing countries. One of the problems in managing family planning programs is the high number of unmet need for family planning in Indonesia. Unmet need is the number of couples of childbearing age who want to postpone pregnancy or do not want additional children but do not use birth control methods. This research aims to determine the determinants of the occurrence of Unmet Need case on fertile age couples at West Bulotadaa Urban Village, Gorontalo City. The study design was cross sectional with a sample of 146 fertile age couples selected by systematic random sampling. Data collection using questionnaires containing questions from the research variables. Data were analyzed by multiple logistic regression analysis through the SPSS for windows program. The results showed that the quality of family planning services affected the unmet need event with p-value = 0.021 (p <0.05) with OR = 3.037, and there were some variables that were not significant such as educational variables p-value = 0.693 (p> 0, 05), number of children p-value = 0.420 (p> 0.05), knowledge p-value = 0.885 (p> 0.05), and husband's support p-value = 0.389 (p> 0.05). It was concluded that the quality of family planning services affected the unmet need and education events, the number of children, knowledge, husband's support did not affect the unmet need incident in the West Bulotadaa Urban Village, Gorontalo City. It is expected that improvements in terms of quality of family planning services will be of concern to both health workers, Family Planning Field Officers (PLKB), and the government in order to prevent an increase in the prevalence of unmet need.