USA Votes Data Lab Newsroom

County twins · 71.5% profile similarity

Alameda County, CAvs.Montgomery County, MD

Montgomery County reports the higher polling-place density: 5.0% versus 1.4% in Alameda County.

Population1,649,4731,065,949
Median household income$129,367$132,450
Bachelor's degree or higher52.3%60.6%
Poverty9.2%7.5%
Foreign-born34.7%33.6%
No vehicle10.0%8.5%

Administrative contrast

Where the election systems separate

Registered-voter turnout63.4%67.8%
Mail-ballot rejection rate1.01%0.46%
Polling places per 10,000 voters1.4%5.0%
Provisional-ballot acceptance rate93.8%96.0%

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

Alameda County

Transmitted
994,604
Returned
602,866
Rejected
6,103

Mail-ballot path

Montgomery County

Transmitted
188,044
Returned
159,745
Rejected
740