USA Votes Data Lab Newsroom

County twins · 86.5% profile similarity

Dearborn County, INvs.Columbia County, WI

Columbia County reports the higher polling-place density: 10.9% versus 5.5% in Dearborn County.

Population51,09458,272
Median household income$84,735$85,351
Bachelor's degree or higher25.3%26.0%
Poverty7.6%7.8%
Foreign-born1.0%2.4%
No vehicle4.1%4.5%

Administrative contrast

Where the election systems separate

Registered-voter turnout66.7%89.8%
Mail-ballot rejection rate0.28%0.35%
Polling places per 10,000 voters5.5%10.9%
Provisional-ballot acceptance rate34.8%0.0%

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

Dearborn County

Transmitted
12,074
Returned
12,008
Rejected
34

Mail-ballot path

Columbia County

Transmitted
5,062
Returned
4,798
Rejected
17