This paper summarizes the first results of the analysis of a questionnaire survey on the determinants of social cohesion and interethnic relations in Hungarian local communities. The survey was carried out in villages and small towns in four different regions of the country in 2012. Our results show that the socioeconomic status and geo-cultural background of the local community significantly shape social cohesion and interethnic trust. Migration rate, on the other hand, plays a surprisingly minor role in shaping trust and cohesion. The effect of fractionalization is moderate, and, interestingly, mainly positive if national minorities are present in the local community.