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Welcome to Jefferson County. On December 3, 1818, Illinois was admitted as the twenty- first state of the Union. Just a few months later on March 26, 1819, Jefferson County was organized by the settlers in the area. This new county was expected to contain sixteen townships. An important matter in the formation of Jefferson County was the ...
Jefferson County is a county located in the southern part of the U.S. state of Illinois. According to the 2020 census, it has a population of 37,113. The county seat is Mount Vernon. Jefferson County contains the Mount Vernon, Illinois micropolitan area. It is located in the southern portion known locally as "Little Egypt".
Home. Departments. Assessor. OVERVIEW. The Assessor (formally known as the Supervisor of Assessments) is appointed by statute to 4-year terms. The department is responsible for the overall property tax assessment process within the County of Jefferson, which includes 11 townships and multi-township assessment districts.
Recording- jeffrecorder@jeffersoncounty.illinois.gov Elections- jeffcoclerk@jeffersoncounty.illinois.gov Office/Mailing Address: Jefferson County Clerk & Recorder 100 South 10th Street, Room 105 Mt. Vernon, IL 62864
Apr 18, 2024 · Guide to Jefferson County, Illinois ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.
Apr 10, 2024 · 2022 Population. Population Change. Latest update on July 2022. Home. / Our Changing Population. USA. / Illinois. / Jefferson County. Year. 2010. Year. to. Year. 2022. Year. How has the population changed in Jefferson County? No data available. We were unable to display data for this section. Try refreshing your browser, or try again later.
With project sites as large as 450 acres and available buildings of up to 50,000 square feet, Jefferson County, Illinois offers companies excellent and affordable options for companies in many industries. Jefferson County has been a center for top-quality manufacturing since the late 1800s.
