USA Votes Data Lab Newsroom

County twins · 76.7% profile similarity

Placer County, CAvs.Frederick County, MD

Frederick County reports the higher polling-place density: 4.5% versus 1.3% in Placer County.

Population419,156287,048
Median household income$115,998$122,002
Bachelor's degree or higher43.2%45.8%
Poverty6.8%6.0%
Foreign-born12.7%13.8%
No vehicle4.2%4.4%

Administrative contrast

Where the election systems separate

Registered-voter turnout75.0%70.6%
Mail-ballot rejection rate0.63%0.27%
Polling places per 10,000 voters1.3%4.5%
Provisional-ballot acceptance rate89.9%97.0%

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

Placer County

Transmitted
294,392
Returned
183,548
Rejected
1,159

Mail-ballot path

Frederick County

Transmitted
41,810
Returned
36,161
Rejected
97