Mercer County, Illinois
Mercer County is home to 15,495 people. 8.9% of residents live below the poverty line, below the Illinois rate (11.8%). The median household income is $74,182.
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| Measure | Value | Illinois | Year | Source |
|---|---|---|---|---|
| Population | 15,495 | 12,694,798 | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Median household income | $74,182 | $83,390 | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Below poverty line | 8.9% | 11.8% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Children in poverty | 12.2% | 15.1% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| No health insurance | 4.6% | 6.9% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Bachelor's degree or higher | 20.9% | 37.8% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Median home value | $146,700 | $263,300 | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Median gross rent | $786 | $1,274 | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Renters paying 30%+ of income | 37.7% | 47.9% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Foreign-born | 1.1% | 14.7% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Median age | 44.7 years | 39.0 years | 2024 | Decennial Census and American Community Survey 5-year estimates |
Neighboring counties
- Henderson County
- Henry County
- Knox County
- Rock Island County
- Warren County
- Des Moines County, Iowa
- Louisa County, Iowa
Figures are the latest published estimates, from the sources named; survey estimates carry margins of error.