For more efficient data presentation, add two rows of icons in the blank space next to the channel settings icon.
Feature 1: These would indicate channel member count by standing in the first row.
Feature 2: These would indicate channel member count by color tag in the second row.
Visual example 1 (pardon the poor photoshop)
Reference icons 1
Feature 1 is aimed for null sec players.
Feature 2 is aimed for empire players.