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Mercer County Population

All Mercer County population data above are from the US Census Bureau.

Mercer County Demographics Summary

population icon Population

With 15,730 people, Mercer County is the 72nd most populated county in the state of Illinois out of 102 counties. But watch out, Mercer County, because Massac County with 14,658 people and Moultrie County with 14,827 people are right behind you.

Mercer County 15,730
Massac County 14,658
Moultrie County 14,827

race icon Race & Ethnicity

The largest Mercer County racial/ethnic groups are White (96.2%) followed by Hispanic (2.1%) and Two or More (0.8%).

Top Race & Ethnicity Groups %
White 96.2%
Hispanic 2.1%
Two or More 0.8%

income icon Median Income

In 2015, the median household income of Mercer County residents was $54,757. Mercer County households made slightly more than Jasper County households ($54,209) and Livingston County households ($54,254) . However, 9.4% of Mercer County residents live in poverty.

Median Household Income
Mercer County $54,757
Jasper County $54,209
Livingston County $54,254

age icon Median Age

The median age for Mercer County residents is 44.3 years young.

Median Age 44.3

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The District of Columbia Starter Report, shown on the left, will give you a good idea of what to expect in a Starter Report. The Mercer County, IL report will have the same data, charts & graphs as this sample.

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