Data on walleye (Stizostedion v. vitreum) population dynamics and angling statistics from a northwestern Minnesota Lake are presented. Many Point Lake has an area of 1,716 acres, and in years studied (1955–1957) had an average annual fishing pressure of 17 man‐hours per acre. The average annual harvest of fish of all species was 7.5 pounds per acre of which about 60 percent was walleyes and pike, (Esox lucius). To study relationships between the walleye population and catch, 3,249 adult walleye were marked with distinguishing fin clips during the three years, and these fish tallied in anglersˈ catches. By application of appropriate statistics it is concluded that, on the average, 26.8 percent of the adult walleye population was taken by anglers each year. Lots of adult fish from natural causes was found to be about 4 percent per year. Walleye of age‐group III averaged 8.4 ounces in weight, but during the next four years the fish increased in weight at an average rate of 7.6 ounces per year, the accelerated average growth of the older fish largely reflecting rapid weight increase of female fish. The angling harvest was 3,402 walleyes weighing 4,826 pounds in 1955, 4,973 fish weighing 6,292 pounds in 1956, and 3,730 walleyes weighing 4,215 pounds in 1957. During the years studied, recruitment exceeded loss from total mortality and the population of walleyes, three and more years old, increased from an estimated 11,546 in 1955, to 14,675 in 1956, and 18,220 in 1957. Application of population and catch data to a mathematical model indicates that with present growth and natural mortality rates, a higher sustained yield in pounds could be had at lower fishing intensity. This would allow a yield of fewer fish but of larger average size. It is pointed out, however, that an attempt to create a larger sustained yield in pounds at a lower fishing intensity might not be realized because of compensatory changes in growth and natural mortality.