County twins · 86.7% profile similarity
Rock County, MNvs.Custer County, MT
Custer County reports the higher polling-place density: 15.3% versus 5.9% in Rock County.
Population9,62111,961
Median household income$71,295$70,605
Bachelor's degree or higher26.3%27.0%
Poverty10.6%11.3%
Foreign-born1.8%1.3%
No vehicle5.8%5.1%
Administrative contrast
Where the election systems separate
Registered-voter turnout81.8%↔78.2%
Mail-ballot rejection rate0.21%↔0.29%
Polling places per 10,000 voters5.9%↔15.3%
Provisional-ballot acceptance rateNot reported↔98.2%
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
Custer County
- Transmitted
- 3,585
- Returned
- 3,107
- Rejected
- 9