Satisfaction with a romantic relationship is defined as a degree in which an individual values his/hers romantic relationship as rewarding. The assessment of satisfaction depends on the relationship between gains and losses in relationship and degree to which the current relationship meets general expectations set at the beginning of the relationship. Intimate relationships are challenging in all segments, but they seem to be particularly challenging for individuals with lower socioeconomic status and those who are unequal in this regard. Therefore, the aim of this study was to examine the relationships between some sociodemographic factors (income, degree of education, age, gender) and satisfaction with romantic relationship. Differences in relationship satisfaction between men and women were investigated as well as the differences in relationship satisfaction between those who are similar to their partners in education and earnings and those who are not. The sample consisted of 100 participants (Mage= 36.5), of which 51 women (Mage = 36.6) and 49 men (Mage= 36.4). For the purposes of research, a questionnaire of general sociodemographic characteristics was constructed and Relationship Assesment Scale-RAS (Hendrick, 1988) was used to assess relationship satisfaction. It was found that men were more satisfied with the relationship with women. Furthermore, it turned out that satisfaction with the relationship is greater if the participants spent less time in the relationship and if the participants and their partners are younger. Higher earnings of the participant's partners are associated with lower relationship satisfaction of the participant. Also, there is no correlation between participant's relationship satisfaction and earnings as well as the level of education of the participant and his / her partner. Also, there is no difference in the relationship satisfaction between those who are similar to their partners in education and earnings and those who are not.