Mercer County, IL

Population: 15,619 · Median Income: $71,710 · 561 sq mi

Population

15,619

Median Income

$71,710

Median Home Value

$139,300

Unemployment

3.0%

Median Age

44.5 yrs

Poverty Rate

7.9%

Median Rent

$757/mo

Land Area

561 sq mi

Cities

18

2024 Lean

R+27.1%

Mercer County is a county in Illinois with a population of 15,619. The median household income is $71,710. The median home value is $139,300. The unemployment rate is 3.0%. The median age is 44.5 years. There are 18 cities in Mercer County.

Explore Mercer County Data

2024 Election Results

Source: County Election Data

Winner

Republican

Dem Votes

2,950

35.4%

GOP Votes

5,215

62.5%

Total Votes

8,345

Cities in Mercer County

Source: Census Bureau
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