USA Votes Data Lab Newsroom

County twins · 71.2% profile similarity

Petroleum County, MTvs.Slope County, ND

Slope County reports the higher polling-place density: 76.3% versus 60.2% in Petroleum County.

Population447766
Median household income$60,208$71,250
Bachelor's degree or higher30.8%29.3%
Poverty8.1%5.0%
Foreign-born0.9%0.5%
No vehicle0.0%0.8%

Administrative contrast

Where the election systems separate

Registered-voter turnout89.3%Not reported
Mail-ballot rejection rate2.83%1.11%
Polling places per 10,000 voters60.2%76.3%
Provisional-ballot acceptance rateNot reportedNot reported

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

Petroleum County

Transmitted
234
Returned
212
Rejected
6

Mail-ballot path

Slope County

Transmitted
94
Returned
90
Rejected
1