USA Votes Data Lab Newsroom

County twins · 85.5% profile similarity

Champaign County, OHvs.Codington County, SD

Champaign County reports the higher turnout: 76.6% versus 66.9% in Codington County.

Population38,80428,767
Median household income$75,556$72,727
Bachelor's degree or higher19.0%21.4%
Poverty8.0%8.8%
Foreign-born1.2%1.3%
No vehicle5.5%5.3%

Administrative contrast

Where the election systems separate

Registered-voter turnout76.6%66.9%
Mail-ballot rejection rate0.97%0.15%
Polling places per 10,000 voters4.8%5.8%
Provisional-ballot acceptance rate69.3%Not 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

Champaign County

Transmitted
2,724
Returned
2,485
Rejected
24

Mail-ballot path

Codington County

Transmitted
7,195
Returned
7,180
Rejected
11