| |  | |  | | Supervisorial Districts |
 | | CONTRA COSTA COUNTY SUPERVISORIAL DISTRICTS | | | Map of County Districts | | | Map of Walnut Creek Supervisorial Districts | | | Note: Use zoom- in feature on above map to study district boundaries) District 1 -- John Goia, Supervisor (West Contra Costa County) District 2 -- Gayle Uilkema (Rossmoor portion of Walnut Creek) District 3 -- Mary N. Piepho (major portion of Walnut Creek) District 4 -- Susan Bonilla (northern portion of Walnut Creek) District 5 -- Federal Glover (East Contra Costa County) | | | fcbl |
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