All Mercer County population data above are from the US Census Bureau.
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.
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||%|
|Two or More||0.8%|
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|
The median age for Mercer County residents is 44.3 years young.
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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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