USA Votes Data Lab Newsroom

County twins · 44.6% profile similarity

District of Columbia, DCvs.Suffolk County, MA

Suffolk County reports the higher polling-place density: 6.5% versus 2.3% in District of Columbia.

Population681,294785,121
Median household income$109,870$95,631
Bachelor's degree or higher64.3%50.6%
Poverty15.4%16.2%
Foreign-born14.3%29.8%
No vehicle36.0%31.6%

Administrative contrast

Where the election systems separate

Registered-voter turnout53.7%60.0%
Mail-ballot rejection rate0.69%1.43%
Polling places per 10,000 voters2.3%6.5%
Provisional-ballot acceptance rate9.2%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

District of Columbia

Transmitted
453,858
Returned
169,280
Rejected
1,169

Mail-ballot path

Suffolk County

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