USA Votes Data Lab Newsroom

County twins · 78.2% profile similarity

Jefferson County, MTvs.Skamania County, WA

Jefferson County reports the higher polling-place density: 10.7% versus 1.4% in Skamania County.

Population12,77412,402
Median household income$95,490$93,265
Bachelor's degree or higher32.2%29.8%
Poverty5.7%8.1%
Foreign-born1.0%3.9%
No vehicle3.0%3.3%

Administrative contrast

Where the election systems separate

Registered-voter turnout82.9%72.1%
Mail-ballot rejection rate0.87%0.68%
Polling places per 10,000 voters10.7%1.4%
Provisional-ballot acceptance rate68.7%Not reported

Measures come from reporting 2024 EAVS jurisdictions. Missing fields remain missing. A difference describes administration and coverage; it does not establish cause or wrongdoing.

Mail-ballot path

Jefferson County

Transmitted
6,503
Returned
5,866
Rejected
51

Mail-ballot path

Skamania County

Transmitted
9,748
Returned
7,359
Rejected
50