The special election for the 45th district senate seat is Nov 7th 2017, just a few days away. Here are some statistics based on the ballot returns reported by the Secretary of State.
The district is about 92,000 voters. Overall turnout as of Nov 4th is 21.3%. This is the highest turnout for an election district over 30,000 voters.
King County turnout overall is 15.4%. For comparison to other off-year legislative elections, Teri Hickel’s ’15 special election was 35%.
There has been significant new voter registration in the district since Andy Hill’s ’14 election victory. Here is a breakdown registration date:
|% of district||… registered since…|
|2%||Since ’17 Primary|
|6%||Within last year|
|21%||Since Nov ’14|
It’s a predominantly Democrat district. In ‘14 and ’16 house races, Democrat’s average victory in LD 45 has been around 58%. The district also voted over a 2:1 for Hillary Clinton over Donald Trump. Kim Wyman and Andy Hill are the only Republicans to have won this district.
The SOS does not report on the actual ballot results until election night, but we can use the Voter-Science party id database  to see how results are looking prior to election day.
Here is a heat map of Democrat turnout (left) vs. GOP turnout (right) in the 45th :
Of Voters identified as GOP, 28% have voted. Of voters identified as Democrats, 23% have voted. Of voters identified as Independents, only 14% have voted. So while the democrats may have raw volume of numbers, the GOP has driven higher turnout amongst their base.
 The Voter-Science party ID database has a party ID for 87% of the individuals in the 45th district and has accurately predicted all 45th races within 98.5% accuracy since 2015.