Jefferson County, IL Real Estate 0 homes for sale

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About Jefferson County, IL

Jefferson County is located in Illinois. There are roughly 38,696 residents, living in 15,287 households. The average temperature for Jefferson County this time of the year is low of 45F and high of 71F. On average, Jefferson County gets about 3.02 inches of precipitation in October. Most residents are home owners (74%), have a high school diploma (48%) and are single, no kids (36%).

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Schools near Jefferson County, IL


  • Mt Vernon District 80 Primary Center

    401 N 30th St

    Public District KG-3


  • Rome Community Consolidated Elementary School

    233 W South St

    Public District PK-8

  • Opdyke-Belle Rive Grade School

    19830 East Fourth St

    Public District KG-8

  • Summersville Grade School

    1118 Fairfield Rd

    Public District PK-8


  • Waltonville High School

    804 W Knob St

    Public District 9-12

  • Mount Vernon High School

    320 S 7th St

    Public District 9-12

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