Will my worms over populate?

I am commonly asked if worms can over populate the worm bin. Worms multiply quickly, but they will not overpopulate. Worms can double in population every 90 days or so, but once a certain amount of worms inhabit an area the reproduction slows.

The worms seem to reach this equilibrium at about 2 pounds of worms per square foot of surface area. In actuality it highly depends upon how heavily they are fed and the aeration of the bin. The more worms you have though the quicker your compost will ... compost.