Jefferson County, Illinois

Jefferson County is a county in the United States of Illinois. In 2000, county's population was 40045 inhabitants. Its population in July 2008 was estimated to be about 40083, making it Illinois's 34th largest county. Its area is just over 583.71 miē (1511.8 kmē), of which, 570.96 square miles (1478.78 kmē) of it is land and 12.76 square miles (33.05 kmē) of it is water, making it Illinois's 41st largest county by total area.

Jefferson County Illinois
Map of Jefferson County, Illinois

As of the census of 2000, there were 40045 people, 15374 households, and 10559 families living in the county. The population density was 70.1 people per square mile (27.07/kmē), it would be the 36th most densely populated county in the U.S. state of Illinois. There were 16990 housing units at an average density of 29.8 per square mile (11.51/kmē). The average household size was 2.44 and the average family size was 2.96. Age range in the county was well distributed with 24.2% under the age of 18, 8.8% from 18 to 24, 28.4% from 25 to 44, 23.3% from 45 to 64, and 15.3% who were 65 or older. For every 100 females there were 104.1 males. For every 100 females age 18 and over, there were 104.1 males. According to July 2008 Census Bureau estimates, the population of the county is 40083, The racial or ethnic makeup of the county was 35756 White, 3434 Black or African American, 97 American Indian, 258 Asian, 4 Native Hawaiian, and 534 from two or more races.

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

The median income for a household in the county was $33555, it is 28th poorest county by median household income in Illinois. The median income for a family in the county was $41141, making it the 26th poorest county by median family income among the Illinois. The per capita income for the county was $16644, making its Illinois's 24th lowest county by per capita income.

In 2000, 9817 pupils and students, of which 4867 are male and 4950 are female, 24.51% of the total population, are in the education system. Of which, total enrollment of student are in, 837 nursery or pri school, 553 kindergarten, 4495 elementary school, 2301 high school and 1631 College graduate school.

RankCityCountyTotal Area mi2Land Area mi2Water Area mi2PopulationDensity mi2Per capita IncomeHouse hold Income
1Belle Rive VillageJefferson County1.031.030371361.51522137292
2Bluford VillageJefferson County1.461.460.01785539.11553738250
3Bonnie VillageJefferson County1.231.230424343.81399827768
4Dix VillageJefferson County2.12.090.01494235.91246312222
5Ina VillageJefferson County2.412.41024551020.6859624453
6Mount Vernon CityJefferson County11.6211.520.1162691412.11626828145
7Nason CityJefferson County0.90.902342591586633125
8Waltonville VillageJefferson County0.980.960.03422440.61223324318
9Woodlawn VillageJefferson County0.710.710630882.31601340000
10Centralia CityMarion County, Clinton County, Washington County, Jefferson County7.647.50.14141361884.41717431905
YearPopulation
April 2000 census40045
April 2000 Estimate40045
July 2000 Estimate40056
July 2001 Estimate40014
July 2002 Estimate40040
July 2003 Estimate40044
July 2004 Estimate40054
July 2005 Estimate40123
July 2006 Estimate40129
July 2007 Estimate40086
July 2008 Estimate40083
SchoolMaleFemaleTotal
Nursery school432405837
Kindergarten294259553
Elementary school225922364495
High school127210292301
College or graduate school61010211631
PlaceMedian household incomeMedian family incomePer capita income
Jefferson County, Illinois$33555$41141$16644
Illinois, United States$46590$55545$23104
United States$41994$50046$21587