USA Votes Data Lab Newsroom

County twins · 84.3% profile similarity

Rock County, MNvs.Brule County, SD

Brule County reports the higher polling-place density: 16.2% versus 5.9% in Rock County.

Population9,6215,283
Median household income$71,295$73,720
Bachelor's degree or higher26.3%28.7%
Poverty10.6%10.7%
Foreign-born1.8%1.4%
No vehicle5.8%5.7%

Administrative contrast

Where the election systems separate

Registered-voter turnout81.8%70.0%
Mail-ballot rejection rate0.21%0.50%
Polling places per 10,000 voters5.9%16.2%
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

Rock County

Transmitted
2,526
Returned
1,934
Rejected
4

Mail-ballot path

Brule County

Transmitted
800
Returned
796
Rejected
4