India census, Bhangar Raghunathpur had a population of 5009. Males constitute 51% of the population and females 49%. Bhangar Raghunathpur has an average literacy rate of 59%, lower than the national average of 59.5%; with male literacy of 65% and female literacy of 53%. 16% of the population is under 6 years of age.
Certain areas of South 24 Parganas district has been identified where ground water is affected by arsenic contamination.