USA Votes Data Lab Newsroom

County twins · 79.1% profile similarity

San Luis Obispo County, CAvs.Thurston County, WA

San Luis Obispo County reports the higher polling-place density: 4.5% versus 0.1% in Thurston County.

Population281,555299,067
Median household income$97,446$96,563
Bachelor's degree or higher39.8%38.5%
Poverty12.9%9.6%
Foreign-born9.9%8.3%
No vehicle3.8%4.7%

Administrative contrast

Where the election systems separate

Registered-voter turnout73.3%70.6%
Mail-ballot rejection rate0.76%0.54%
Polling places per 10,000 voters4.5%0.1%
Provisional-ballot acceptance rate89.0%66.7%

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

San Luis Obispo County

Transmitted
188,107
Returned
141,679
Rejected
1,072

Mail-ballot path

Thurston County

Transmitted
209,914
Returned
161,009
Rejected
867