The map below shows the political leanings of people in and around San Jose. 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.

San Jose, CA map of Democratic vs. Republican areas

Politics Key

Very liberal
Split evenly
Very conservative


San Jose tends to be very democratic based on voting results in recent elections. Compared to other nearby cities, San Jose has more democratic voters. Compared to the nation as a whole, San Jose leans more democratic.

Highly educated populations with bachelor’s degrees or higher tend to vote for more liberal candidates. In the San Jose metro area, 49.74% of all adults have earned a bachelor’s degree or higher. Educated women are far less likely to vote for conservatives, and in San Jose women make up 49.53% 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 San Jose is 38.1, which is younger than the national median age of 38.1.

Is San Jose a political battleground? Across all types of political contests in San Jose, including state, local and presidential elections, races come within five percentage points 2% 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.

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