USA Votes Data Lab Newsroom

County twins · 51.8% profile similarity

San Francisco County, CAvs.Suffolk County, MA

San Francisco County reports the higher provisional acceptance: 92.3% versus 35.6% in Suffolk County.

Population830,235785,121
Median household income$140,970$95,631
Bachelor's degree or higher60.3%50.6%
Poverty11.2%16.2%
Foreign-born34.0%29.8%
No vehicle30.2%31.6%

Administrative contrast

Where the election systems separate

Registered-voter turnout69.0%60.0%
Mail-ballot rejection rate0.48%1.43%
Polling places per 10,000 voters12.2%6.5%
Provisional-ballot acceptance rate92.3%35.6%

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 Francisco County

Transmitted
527,704
Returned
342,247
Rejected
1,633

Mail-ballot path

Suffolk County

Transmitted
106,596
Returned
88,792
Rejected
1,272