What is the population of Mercer County, Illinois?

The population of Mercer County, Illinois is 15,277, compared to the U.S. total of 334,821,731.

What is the median household income in Mercer County, Illinois?

The median household income in Mercer County, Illinois is $71,831, compared to the U.S. median of $78,145.

The median home price in Mercer County, Illinois is $50,000, compared to the U.S. median of $242,182.

The unemployment rate in Mercer County, Illinois is 3.0%, compared to the U.S. average of 5.2%.

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

Health B

Income B

Education D

Metric	Mercer County	Illinois Avg	U.S. Average
Population	15,277	12,497,595	334,821,731
Population density (per sq mi)	26.9	215.8	85.8
Population growth (%/yr)	-0.32%	-0.18%	0.57%
Median age	42.7	37.3	37.1
Households	6,413	5,000,691	128,459,983

Year	Mercer County

Group	Share

Mercer County has a the economy index of B, which means it is quite prosperous.

Metric	Mercer County	Illinois Avg	U.S. Average
Median household income	$71,831	$82,179	$78,145
Income growth (%/yr)	3.89%	4.78%	5.07%
Unemployment rate	3.0%	5.8%	5.2%

Metric	Mercer County	Illinois Avg	U.S. Average
Median home price	$50,000	$162,405	$242,182
Median rent	$757	$1,226	$1,342
Homeownership rate	82.7%	66.8%	65.1%

The most common departure window is 07:00 AM – 07:29 AM , followed by 06:00 AM – 06:29 AM .

Metric	Mercer County	Illinois Avg	U.S. Average
Average commute time (min)	26.2	23.8	22.5
Work from home	7.8%	14.0%	13.4%

Mercer County has a education index of D, which means it is barely educated.

Metric	Mercer County	Illinois Avg	U.S. Average
Bachelor's degree or higher	16.3%	34.1%	31.6%
Average household size	2.41	2.48	2.54

Mercer County has a health index of B, which means it is quite healthy.

Metric	Mercer County	Illinois Avg	U.S. Average
Life expectancy (years)	79.0	77.9	78.3
Self-rated poor health	14.7%	15.6%	16.3%
Smokers	18.7%	19.2%	19.0%