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States / Illinois / Mercer County

Mercer County

Population 15,692 · ACS 2020-2024

Median Household Income
$74,182
Median Home Value
$146,700
Median Gross Rent
$786/mo
Poverty Rate
8.9%
Unemployment Rate
3.1%
Homeownership Rate
83.8%
Bachelor's Degree or Higher
20.9%
Median Age
44.7

Population Over Time

Mercer County shrank 4.4% from 2014 to 2024.

2014
16,204
2016
15,971
2018
15,693
2020
15,503
2022
15,692
2024
15,495

Source: U.S. Census Bureau, American Community Survey, ACS 2020-2024.

Mercer County: Population, Income & Housing | CityMetricsUSA