2024 Mercer County, Illinois Demographics | Comprehensive Profile
Explore comprehensive demographic statistics, economic indicators, and population trends for Mercer County, Illinois. Source: 2024 American Community Survey (Census Bureau).
Mercer County, Illinois Demographic Snapshot (2024)
Key demographic statistics summarized from the U.S. Census Bureau's 2024 American Community Survey (ACS).
Population
15,495
Median Age
44.7 years
Largest Group
White
93.1%% of pop.
Median Income
$74,182
Median Value
$146,700
Bachelor's Degree+
20.9%
Foreign Born
1.1%
Uninsured Rate
4.6%
Work From Home
10.1%
Private Sector
72.4%
Source: U.S. Census Bureau, 2024 American Community Survey (ACS) Estimates
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About This Data
Data Source:
U.S. Census Bureau, 2024 American Survey (ACS)
Survey Year:
2024
Last Updated:
2026-02-11
Geography:
Mercer County, Illinois (FIPS: 0500000US17131)