Where is Mercer County, Illinois?

location of Mercer county on a map — Location of Mercer County within the state of Illinois

Mercer County is a county equivalent area found in Illinois, USA. The county government of Mercer is found in the county seat of Aledo.

With a total 1,472.91 sq. km of land and water area, Mercer County, Illinois is the 1940th largest county equivalent area in the United States. Home to 15,945 people, Mercer County has a total 7358 households earning 53136 on average per year.

Mercer County, Illinois - Quick Facts

FIPS Code	17131
Area Codes	309
Time Zone	CST
Major Cities	Aledo (population: 5,553), Sherrard (population: 2,563), Viola (population: 1,531), New Boston (population: 1,484), Alexis (population: 1,314), New Windsor (population: 1,197), Joy (population: 845), Keithsburg (population: 750), Matherville (population: 523), Seaton (population: 400)
Land Area	6,156 sq miles
Water Area	561 sq miles
Household Income	$53,136
Housing Units	7,358
Median Home Value	$98,100
High School Grads	91% of population
Holders of Bachelors Degrees	15% of population
Retail Spending	$5,191 per capita
Food & Accomodation Sales	$5,605 per capita