The map below shows the political leanings of people in and around Sonoma County. Darker red areas have almost entirely Republican voters, dark blue areas vote mostly for Democrats, and areas in lighter shades or in light purple are areas where the vote is usually split between parties.
Politics Key
Sonoma County tends to be very democratic based on voting results in recent elections. Compared to other nearby counties, Sonoma County has more democratic voters. Compared to the nation as a whole, Sonoma County leans more democratic.
Highly educated populations with bachelor’s degrees or higher tend to vote for more liberal candidates. In Sonoma County, 33.87% of all adults have earned a bachelor’s degree or higher. Educated women are far less likely to vote for conservatives, and in Sonoma County women make up 51.09% of the population.
Older Americans tend to vote more conservatively. Members of the Boomer and Silent generations (born 1928-1964) more often vote for republicans while GenX, Millennials (born 1965-1996) and younger generations consistently support democrats. The median age in Sonoma County is 42.2, which is older than the national median age of 38.1.
Is Sonoma County a political battleground? Across all types of political contests in Sonoma County, including state, local and presidential elections, races come within five percentage points 0% of the time.
Note: Federal, local, and state elections are weighed based on the recency of the election and the importance most voters assign to each seat.
Nearby Counties
- Napa County, CA: more conservative voters
- Marin County, CA: more liberal voters
- Lake County, CA: more conservative voters
- Solano County, CA: more conservative voters
- San Francisco County, CA: more liberal voters
- Contra Costa County, CA: more conservative voters
- Yolo County, CA: more conservative voters
- Colusa County, CA: more conservative voters
- Alameda County, CA: more liberal voters
- San Mateo County, CA: more liberal voters
Counties with Similar Populations
- Morris County, NJ: more conservative voters
- Williamson County, TX: more conservative voters
- Lake County, IN: more conservative voters
- Plymouth County, MA: more conservative voters
- Guilford County, NC: more conservative voters
- Pasco County, FL: more conservative voters
- Passaic County, NJ: more conservative voters
- Chester County, PA: more conservative voters
- Volusia County, FL: more conservative voters
- Sedgwick County, KS: more conservative voters
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