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The purpose of this study was to investigate social factors affecting environmental behavior among citizens of Gorgan city. This descriptive-analytic study was done by cross sectional survey on 400 citizens of Gorgan city in 1396. The standard information collection tool is standard. A multi-stage random sampling method was used for sampling. The collected data were analyzed by parametric test (T-test), variance analysis and correlation test. The results of the study indicate that there is a relationship between age and environmental behavior, but there is no relationship between sex and marital status with environmental behavior. Also, according to the research findings, there is a relationship between the economic beneficiary, media consumption and social trust of citizens of Gorgan city with environmental behavior.