US Census Data

Mercer County vs Wayne County

A side-by-side comparison of Mercer County and Wayne County: population, income, housing, and more.

Mercer County and Wayne County are counties in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Wayne County has the higher population (15,994 vs 15,619 in Mercer County). Mercer County has the higher median household income ($71,710 vs $53,107 in Wayne County). Mercer County has the higher median home value ($139,300 vs $109,400 in Wayne County).

Population, income & housing

Mercer CountyWayne County
Population15,61915,994
Median age44.5 yrs43.1 yrs
Median household income$71,710$53,107
Median home value$139,300$109,400
Median gross rent$757$632
Housing units7,2797,699
Homeownership rate82.7%78.9%
Bachelor's degree or higher18.9%16.2%
Unemployment rate3.1%3.3%

Trends (ACS 5-year, 2019–2023)

Mercer CountyWayne County
Population15,589 → 15,619 (+0.2%)16,402 → 15,994 (-2.5%)
Median household income$59,787 → $71,710 (+19.9%)$50,251 → $53,107 (+5.7%)
Median home value$107,600 → $139,300 (+29.5%)$86,400 → $109,400 (+26.6%)
Median gross rent$655 → $757 (+15.6%)$626 → $632 (+1.0%)

Mercer County

Population
15,58915,619
Median household income
$59,787$71,710
Median home value
$107,600$139,300
Median gross rent
$655$757

Wayne County

Population
16,40215,994
Median household income
$50,251$53,107
Median home value
$86,400$109,400
Median gross rent
$626$632

Age & race/ethnicity

Age distribution (share)

Mercer CountyWayne County
Under 54.8%5.8%
5 to 1716.2%16.8%
18 to 247.5%6.9%
25 to 3410.3%11.3%
35 to 4412.0%11.4%
45 to 5412.6%11.5%
55 to 6415.0%14.3%
65 to 7412.3%12.0%
75 and over9.1%10.0%

Race & ethnicity (share)

Mercer CountyWayne County
White (non-Hispanic)93.5%95.7%
Black or African American0.6%0.2%
American Indian & Alaska Native0.1%0.0%
Asian0.3%0.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races2.2%1.9%
Hispanic or Latino3.3%1.6%

Educational attainment (age 25+)

Share of adults 25+

Mercer CountyWayne County
No high school diploma6.7%9.8%
High school graduate40.2%33.7%
Some college or associate's34.2%40.3%
Bachelor's degree12.6%11.0%
Graduate or professional degree6.3%5.2%

Commute to work

How workers get to work (share)

Mercer CountyWayne County
Drove alone81.4%81.6%
Carpooled8.0%9.2%
Public transit0.1%0.4%
Walked2.2%1.1%
Bicycle0.0%0.2%
Worked from home7.8%7.0%
Other means0.5%0.5%

Housing

Units in structure (share)

Mercer CountyWayne County
1-unit, detached87.6%72.5%
1-unit, attached0.9%0.1%
2 to 4 units4.2%2.2%
5 to 19 units2.4%0.3%
20 or more units1.5%3.4%
Mobile home & other3.3%21.4%

Poverty & households

Mercer CountyWayne County
Poverty rate7.9%13.8%
Average household size2.412.32
Mean commute (minutes)2824
Median year structure built19601973

Full profiles

2

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