USA Votes Data Lab Newsroom

County twins · 68.1% profile similarity

Marin County, CAvs.Morris County, NJ

Morris County reports the higher polling-place density: 5.3% versus 1.4% in Marin County.

Population257,969514,528
Median household income$149,091$137,326
Bachelor's degree or higher61.1%57.8%
Poverty8.3%4.9%
Foreign-born19.6%19.8%
No vehicle4.9%5.1%

Administrative contrast

Where the election systems separate

Registered-voter turnout76.7%73.0%
Mail-ballot rejection rate1.30%0.78%
Polling places per 10,000 voters1.4%5.3%
Provisional-ballot acceptance rate97.7%96.4%

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

Marin County

Transmitted
173,809
Returned
130,012
Rejected
1,696

Mail-ballot path

Morris County

Transmitted
66,680
Returned
51,911
Rejected
404