By DEREK MOORE
THE PRESS DEMOCRAT
Sonoma County supervisors on Tuesday formally approved a slight redrawing of the county’s political boundaries ahead of the 2012 elections.
The key changes are to Santa Rosa’s Fountaingrove area and the 1st, 3rd and 5th districts.
The 1st and 5th gain people at the expense of the 3rd District, represented by Shirlee Zane, which loses 6,022 people.
Overall, the changes will leave the districts essentially equal in population size, correcting an imbalance that developed since 2001 and has left the 3rd District by far the largest.
Much of the shrinking of Zane’s district — which now has 102,821 residents — occurs in Fountaingrove, which is to be split among three districts.
Supervisors on Tuesday unanimously supported the new boundaries, which go into effect in 30 days.