The map below shows the political leanings of people in and around King 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
King County tends to be democratic based on voting results in recent elections. Compared to other nearby counties, King County has more democratic voters. Compared to the nation as a whole, King County leans more democratic.
Highly educated populations with bachelor’s degrees or higher tend to vote for more liberal candidates. In King County, 50.70% of all adults have earned a bachelor’s degree or higher. Educated women are far less likely to vote for conservatives, and in King County women make up 49.94% 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 King County is 38.4, which is older than the national median age of 38.1.
Is King County a political battleground? Across all types of political contests in King County, including state, local and presidential elections, races come within five percentage points 1% 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
- Kitsap County, WA: more conservative voters
- Pierce County, WA: more conservative voters
- Snohomish County, WA: more conservative voters
- Mason County, WA: more conservative voters
- Island County, WA: more conservative voters
- Thurston County, WA: more conservative voters
- Jefferson County, WA: more conservative voters
- Skagit County, WA: more conservative voters
- Lewis County, WA: more conservative voters
- Kittitas County, WA: more conservative voters
Counties with Similar Populations
- Clark County, NV: more conservative voters
- San Bernardino County, CA: more conservative voters
- Tarrant County, TX: more conservative voters
- Santa Clara County, CA: more liberal voters
- Broward County, FL: more conservative voters
- Bexar County, TX: more conservative voters
- Queens County, NY: more liberal voters
- Riverside County, CA: more conservative voters
- Wayne County, MI: more liberal voters
- Dallas County, TX: more conservative voters
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