Find a Lawyer in Jefferson County, Illinois:
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| 17,921 Illinois attorneys are listed with statelawyers.com. |
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| Jefferson County, Illinois (IL) |
| County Seat: |
Mount Vernon |
| Address: |
County Courthouse |
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100 South 10th Street |
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Room 105 |
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Mount Vernon, Illinois 62864 |
| Contact: |
Connie Simmons |
| Position: |
County Clerk / Recorder |
| Email: |
jeffcoclerk@jeffil.us |
| Phone: |
618-244-8020 |
| Fax: |
618-244-8023 |
| Website: |
Jefferson County, Illinois Website |
| Established: |
1819 |
| Land Area: |
571 square miles |
| FIPS Code: |
17081 |
| Last updated: |
February 17, 2022 |
If you're aware of any incorrect or missing information, please Contact Us. |
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| Jefferson County, Illinois Communities: |
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| Total Communities in Jefferson County, Illinois: 23 |
| Population: |
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| 38,290 |
38,236 |
38,059 |
37,704 |
37,635 |
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| 2015 * |
2016 * |
2017 * |
2018 * |
2019 * |
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| 38,827 |
38,758 |
38,672 |
38,656 |
38,390 |
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| 2010 |
2011 * |
2012 * |
2013 * |
2014 * |
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| * (U.S. Census Estimate) |
If you're aware of any incorrect or missing information, please Contact Us. |
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