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The original item was published from 5/6/2011 3:33:00 PM to 5/6/2011 4:42:14 PM.

News Flash

Board of Supervisors

Posted on: May 6, 2011

[ARCHIVED] 2010 Census Redistricting

Colusa County’s Redistricting Plan

With the release of the 2010 Census Data, county staff has begun the task of reviewing the information and working to assist the Board of Supervisors in their mandate to adjust the boundaries of supervisorial district lines to make their districts as equal in population as possible. This must be completed by November 1, 2011. The 2010 Census shows the County population has grown from 18,804 as reported in the 2000 Census to 21,415 for 2010. The Board’s goal is to get as close as possible to an average population per district of 4,283 people. In the process of adjusting the boundaries to equalize the population, the Board must take into consideration topography, geography, cohesiveness, contiguity, integrity and compactness of territory, and community of interests of the districts. Colusa County is large in land mass with populations concentrated in the cities and towns, making a 100% equal adjustment impossible. The Board’s goal is adjust the current boundaries based on the 2010 Census data to no more than a 5% difference in district populations.

In order to get the process started, the county’s mapping department has prepared four draft versions of possible redistricting plans. The final plan will not be adopted until the supervisors have held as many public meetings, hearings or forums necessary to receive input from citizens, community groups or other interested persons.

A preliminary discussion and review of the current draft proposals will take place at the May 17 Board Meeting. The current supervisorial district boundary map, and the draft proposals can be found on the County’s Website at The entire data for US Census 2010 can be viewed at

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