Major changes to the two North Coast congressional districts are included in the first set of maps, called "visualizations," released this week by the California Citizens Redistricting Commission.
The maps depict a coastal district running from the Golden Gate Bridge to Del Norte County, encompassing the entire North Coast, including part of Sonoma County.
Santa Rosa, however, appears to lie in a newly shaped inland district that includes Napa, Lake, Colusa, Glenn, Sutter, Yuba and part of Yolo counties.
Commissioner Stan Forbes, a bookstore owner from Esparto in Yolo County, said it was "sort of an agricultural district."
The maps are not detailed, and include neither city names nor district numbers.
They are, however, a preview of the official first draft of redistricting maps due for release on June 10, especially as they depict Northern California districts.
"I don't think there are going to be major changes (in the north)," Forbes said.
He declined to discuss details of the map boundaries.
The inland district includes Democratic Rep. Mike Thompson's home and political base in Napa County, but cuts him off from the coastal region he has represented in Congress since 1998 and puts Santa Rosa in his territory.
Thompson would likely do well in the inland district since he is a moderate Democrat, familiar with the issues in rural areas, said David McCuan, a Sonoma State University political scientist.