Welcome to Mercer County, Illinois

Welcome to Mercer County

Mercer County is located along U.S. Highway 67 and State Highways 17 and 94 in the U.S. state of Illinois. The Mississippi River is located along the western border of Mercer County and is part of the Yellowbanks Territory, named by the Sauk and Fox Indians because of the yellow, sandy soil along the riverbank. Named after Revolutionary War hero General Hugh Mercer, Mercer County was chartered in 1835 as part of the old Northwest Territory and the Military Tract. As of 2010, the population was 16,434 a drop of 523 from 2000. The county seat is Aledo. Mercer County is one of the four counties that make up the Davenport-Moline-Rock Island Metropolitan Statistical Area.

View of the Mississippi River in New Boston, IL

Agendas and Minutes for Committee & Board Meetings, as well as public forms and documents are posted on the Documents page.

Law Enforcement Agendas can be found on the Mercer County Sheriff's Office website.

Public Act

Per Public Act 97-0609, an amendment to the Open Meetings Act 5ILCS 120/7.3, it is the duty of all Illinois Municipal Fund Employers to post information for each employee having a total compensation package that exceeds $75,000.00 per year. This package is to include salary, health insurance, vacation and sick days granted.

These include:

States Attorney Meeghan Lee , $134,563.82
Public Defender Dan Dalton, $91,500.00

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Public Transportation

ELECTION INFO

Unofficial Election Results (will be updated/finalized after March 31st)

Independent Candidate Packet for 2020 General Election. Petitions may be circulated for signatures beginning March 24th. Packets need to be filed with the County Clerk from June 15th - June 22nd. Please contact the County Clerk's office (309-582-7021) for signature requirements.

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COVID-19 information for County Offices

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All regularly scheduled Board Meetings are cancelled until further notice.

Announcements

Tax Records can now be searched at merceril.devnetwedge.com

Publication and "Notice to Taxpayer" of their change of assessment for 2019 will be published in The Aledo Times Record on September 25, 2019. For more information contact the Supervisor of Assessments office at 309-582-7814.

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Please Note that Zoning Board of Appeals meetings are held in the Board Room at the Mercer County Courthouse, 100 SE 3rd Street, Aledo, IL 61231