new - King County, WA election data added to myvoterwisdom.com
- AJ
- Feb 11
- 2 min read
Updated: Feb 12

https://www.myvoterwisdom.com/election-data "WA", "King County"
Welcome to the past election dataset page! Here, you'll find a comprehensive collection of data aimed at enhancing your understanding of voting trends and behaviors across the United States of America. Dive in to explore valuable insights that can you can find within our curated data.
Election Year | State | County | Total Registered Voters | Total Ballots Cast | Vote by Mail Ballots | Vote Center Ballots | Democratic Votes | Republican Votes | Total Voted |
2004 | WA | King County | 1082406 | 899199 | 233254 | 665945 | 580378 | 301043 | 899199 |
2008 | WA | King County | 1108128 | 930038 | 117500 | 804532 | 648230 | 259716 | 922032 |
2012 | WA | King County | 1170638 | 978377 | 967154 | 0 | 668004 | 275700 | 967154 |
2016 | WA | King County | 1288327 | 1054564 | 1054564 | 0 | 718322 | 216339 | 1041613 |
2020 | WA | King County | 1429453 | 1220062 | 1220062 | 0 | 907310 | 269167 | 1210507 |
2024 | WA | King County | 1430421 | 1142444 | 1140521 | 0 | 828255 | 252193 | 1142444 |
Demo: King County, WA
Two Decades of Voting in King County: What the Numbers Tell Us
We've just added exciting new data from King County, Washington to our election dataset! Let's look at how voting has changed in this important region from 2004 to 2024. For those interested in the source data, you can find official election information at King County's election website: https://cd.kingcounty.gov/en/home/dept/elections
Growing Voter Numbers
One of the biggest stories in King County is how much the voting community has grown:
In 2004, there were about 1.08 million registered voters
By 2024, this number jumped to 1.43 million voters
That's an increase of nearly 350,000 voters in 20 years!
The Switch to Mail-In Voting
Perhaps the most interesting change we've seen is how people vote:
In 2004, only about 233,000 people voted by mail
By 2012, almost everyone (967,000 voters) used mail-in/boxes ballots
Since 2012, King County has become a mail-in voting only area
Voter Turnout Through the Years
The numbers show King County residents take voting seriously:
The 2020 election saw the highest turnout with 1.22 million votes
The 2024 election had 1.14 million voters participate
Since 2004, usually around 80% of registered voters cast ballots
Political Trends
Looking at voting patterns over time:
Democratic votes have grown from 580,000 in 2004 to 828,000 in 2024
Republican votes have ranged between 216,000 and 301,000
The total number of voters has steadily increased each election until 2024
What This Means for Voters
This data helps us understand how our community participates in democracy:
More people are registering to vote than ever before
Mail-in voting has made it easier for people to participate
Voter turnout remains consistently strong
Looking Forward
These numbers tell an important story about civic engagement in King County. Whether you're a new voter or have been voting for decades, you're part of this continuing story of democracy in action.
Remember: This data helps us understand trends, but every election is decided by the voters who show up to make their voices heard.
Really interesting to see how ballot boxes play a vital role in King County, WA.