County twins · 85.9% profile similarity
Dubuque County, IAvs.Pennington County, SD
Dubuque County reports the higher turnout: 74.0% versus 57.3% in Pennington County.
Population99,030113,512
Median household income$77,630$74,517
Bachelor's degree or higher33.4%34.6%
Poverty9.7%11.2%
Foreign-born3.3%2.5%
No vehicle6.0%5.5%
Administrative contrast
Where the election systems separate
Registered-voter turnout74.0%↔57.3%
Mail-ballot rejection rate0.20%↔1.08%
Polling places per 10,000 voters6.4%↔6.6%
Provisional-ballot acceptance rate33.3%↔37.5%
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
Dubuque County
- Transmitted
- 9,649
- Returned
- 9,273
- Rejected
- 19
Mail-ballot path
Pennington County
- Transmitted
- 29,568
- Returned
- 28,761
- Rejected
- 311