Lets say this, 12 workers Communes sprout out in the year 2009.
These Communes have a simple law for each one to follow.
Each worker is to respect eachother.
Elections shall happen when a decision is made.
Worker's vote on things regarding production.
Away from the Communes exist, Capitalist society.
The Commune's create,
Everything needed for their life and other things for entertainment.
They trade with the Capitalist society many times.
What would a good population be for each commune?
I was thinking to keep Population under 100,000 myself to avoid problems with too many people.