Abstract: Socio-economic condition of fishermen of Mail beel was conducted during the period of September 2005 to June 2006. Interviews were taken from different intermediaries like aratdars, baparies, farias, retailers and fishermen. The Socio-economic characteristics like age, family size, educational status and daily income of members of fishermen of around the Mail beel area were studied. In this connection earner�s dependency was also important aspect. The age structure showed that 31-40 years age groups were mainly engaged in fishing and the percentage was 28.57 in average of total population. The next groups were 41-50 age group (22.85%), 51-60 age group (8.57%), above 60 age group (2.85%), 20-30 age group (22.85%) and below 20 age group (14.28%), respectively. The total population study revealed that there were 55.84% male adult and male children, 44.16% female adult and female children population. The average percentage distribution is 28.57% that show the highest proportion remaining in the income group of Tk. 31-40. Next 20% of Tk. 51-60, 14.28% of Tk. 41-50, 11.42% of Tk. 61-70, 8.57% of Tk. 71-80, 5.71% of Tk. 81-90, 8.57% of Tk.21-30, 2.85% of Tk. 100 above of the number of fishermen of the Mail beel of Mohanpur. The birth rate was higher than income structure and life standard was too low to maintain their whole family. It is necessary to reduce the role of middlemen to maximize the returns for fishermen. The socio-economic status of the fishermen could be developed through increasing education and giving technical support. Overall, the socio-economic status of the fishermen is very dull and fishermen community in the study area is poorer among the poor.