USA Votes Data Lab Newsroom

County twins · 87.7% profile similarity

Mercer County, ILvs.Spencer County, IN

Mercer County reports the higher polling-place density: 13.1% versus 6.6% in Spencer County.

Population15,49519,955
Median household income$74,182$74,506
Bachelor's degree or higher20.9%22.0%
Poverty8.9%7.5%
Foreign-born1.1%2.2%
No vehicle2.9%2.7%

Administrative contrast

Where the election systems separate

Registered-voter turnout64.7%67.5%
Mail-ballot rejection rate1.49%0.00%
Polling places per 10,000 voters13.1%6.6%
Provisional-ballot acceptance rateNot reported45.5%

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

Mercer County

Transmitted
1,490
Returned
1,340
Rejected
20

Mail-ballot path

Spencer County

Transmitted
5,805
Returned
5,797
Rejected
0