Mercer County, Illinois

Mercer County is a county located in the United States of Illinois. It is home to over 16957 people (2000 census). Its population in July 2008 was estimated to be about 16481, It is the 33rd smallest county by population in the U.S. state of Illinois. The county comprises an area of 568.88 miē (1473.39 kmē), of which, 561.02 square miles (1453.04 kmē) of it is land and 7.86 square miles (20.36 kmē) of it is water, making it the 44th largest by size in Illinois.

Mercer County Illinois
Map of Mercer County, Illinois

As of the census of 2000, there were 16957 residents, 6624 households, and 4914 families in the county. The population density was 30.2 people per square mile (11.66/kmē), making its Illinois's 20th least densely populated county. There were 7109 housing units at an average density of 12.7 per square mile (4.9/kmē). The average household size was 2.53 persons, and the average family size was 2.96 persons. In the Mercer County, 24.8% of the population was under the age of 18, 7.3% were 18 to 24, 26.6% were 25 to 44, 25.4% were 45 to 64, and 15.9% who were 65 or older. For every 100 females there were 96.9 males. For every 100 females age 18 and over, there were 94.2 males. According to July 2008 Census Bureau estimates, the population of the county is 16481, The racial makeup of the county was 16152 White, 144 Black or African American, 24 American Indian, 37 Asian, 1 Native Hawaiian, and 123 from two or more races.

Mercer County Illinois Population 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Population 2000-2008
Mercer County Illinois School Enrollment
School Enrollment 2000
Mercer County Illinois GDP
GDP 2000

The median income for a household in the county was $40893, it is Illinois's 30th wealthiest county by median household income. The median income for a family in the county was $47192, it is the 41st highest county by median family income in the U.S. state of Illinois. The per capita income for the county was $18645, making it the 42nd wealthiest county by per capita income among the Illinois.

In 2000, 4186 pupils and students, of which 49.71% are male and 50.29% are female, 24.69% of the total population, are in the education system. Of which, percentage of enrollment student are in, 6.43% nursery or pri school, 5.42% kindergarten, 47.83% elementary school, 25.87% high school and 14.45% College graduate school.

RankCityCountyTotal Area mi2Land Area mi2Water Area mi2PopulationDensity mi2Per capita IncomeHouse hold Income
1Aledo CityMercer County2.262.240.0136131611.21849833449
2Alexis VillageMercer County, Warren County0.490.4908631778.61705936705
3Joy VillageMercer County0.420.420373888.31420136625
4Keithsburg CityMercer County3.182.580.6714276.91400832500
5Matherville VillageMercer County0.40.390.017721968.71495633438
6New Boston CityMercer County1.390.940.45632672.61559329231
7North Henderson VillageMercer County0.220.220187832.31629235500
8Seaton VillageMercer County1.571.570242154.33583245694
9Sherrard VillageMercer County0.420.4206941658.21896747171
10Viola VillageMercer County0.830.8309561155.81812741161
11Windsor VillageMercer County0.440.4407201628.51981137500
12Reynolds VillageRock Island County, Mercer County0.370.3705081377.62180442917
YearPopulation
April 2000 census16957
April 2000 Estimate16957
July 2000 Estimate16956
July 2001 Estimate16904
July 2002 Estimate16880
July 2003 Estimate16760
July 2004 Estimate16701
July 2005 Estimate16568
July 2006 Estimate16523
July 2007 Estimate16453
July 2008 Estimate16481
SchoolMaleFemaleTotal
Nursery school156113269
Kindergarten12998227
Elementary school10199832002
High school5345491083
College or graduate school243362605
PlaceMedian household incomeMedian family incomePer capita income
Mercer County, Illinois$40893$47192$18645
Illinois, United States$46590$55545$23104
United States$41994$50046$21587