Looking at the exact numbers 21% of people in Washington live in Eastern Washington whereas those 3 counties you listed house 52% of the state.
It makes sense that even if you had less Culp voters proportionally if you look at over half the state you will find more people in absolute numbers. Your cherry picked absolute numbers are less functional than looking at proportions.
There is no doubt that there is a divide in voting proportionality between Eastern and Western WA.
> This is to say he lost by a city not a country mile because he was very popular in Eastern WA where around 25% of the population lives but a dud elsewhere.
He very much did not lose by a city vs a country mile because of 21% of the vote that went 65-35. The race was close-ish because 1.2 million Western WA residents voted for him
Just did a quick back of the envelope tabulation and I get about 2 million for Biden vs 1.1 million for Trump in western WA which means that Biden got about 65% of the vote in western WA which is a larger percentage than Biden got in CA as a whole.
It makes sense that even if you had less Culp voters proportionally if you look at over half the state you will find more people in absolute numbers. Your cherry picked absolute numbers are less functional than looking at proportions.
Lets go to the map!
https://www.politico.com/2020-election/results/washington/
2020 Election Results By County:
King: Biden 75.4% Trump: 22.4%
Pierce: Biden 54.2% Trump: 42.9%
Snohomish: Biden 58.9% Trump 38.2%
Eastern WA
Stevens: Biden 27.7% Trump 70%
Douglas: Biden 36.9% Trump 61.2%
Spokane: Biden 46.3% Trump 50.7%
Through most of Eastern WA Trump got 60-70% of the vote in a state where overall he got 39% of the vote. The division is extremely clear.
In case its not lets look at Culps race.
https://www.politico.com/2020-election/results/washington/go...
King: Inslee 74.3% Culp 25.7%
Spokane: Inslee 45% Culp 55%
Stevens: Inslee 26.1% Culp 73.9
If Eastern WA was its own state it would be as Red as Tennessee. If Western WA was its own state it would be bluer than California.