About Mchenry County, Illinois

Mchenry County is located in northeast Illinois. The county seat is Woodstock (official site: https://www.co.mchenry.il.us/home).

  • Population: 307,283
  • Households: 116,686
  • Median household income: $76,145
  • Median home value: $220,500
  • Below poverty line: 7.7%
  • Land area: 603.2 sq mi
  • Population density: 511.9 people / sq mi
  • Public libraries indexed: 13
  • NCES schools indexed: 85
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McHenry County
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McHenry County government information, contacts, departments, schedules, events, business services, social services, and more.
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Recorded Documents
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McHenry County Recorder document database of easements, mortgages, deeds, affidavits, agreements, plats,liens, and more.
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Baptisms
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St. John the Baptist Catholic Church baptisms between 1852 and 1868.
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Census 1930
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1930 U.S. Census records for McHenry County.
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Church Records 1852-1868
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St. John the Baptist Catholic Church in McHenry County marriage, death, and confirmation records 1852-1868.
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Foreclosures
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Click on Foreclosure List to browse this McHenry County list of foreclosure sales. Information is provide in Adobe Acrobat pdf format.
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Court Records — Civil & Criminal
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McHenry County Circuit Court records. Includes civil, criminal, small claims, family law, and traffic filings.
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Police Press Releases
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Provided by the McHenry County Sheriff's Office. Browse this listing of press releases from the last month and view details of criminal activity & arrest information.
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Most Wanted
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Provided by the McHenry County Sheriff's Office. Browse photos of most wanted criminals & view information including name and charges.
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Marriages
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McHenry County Genealogical Society database of marriage, wedding, engagement, and anniversary notices.
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Death Notices — Crystal Lake Herald
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McHenry County Genealogical Society death notices from the Crystal Lake Herald newspaper.
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Death Notices — Marengo Republican
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McHenry County Genealogical Society death notices that appeared in the Marengo Republican newspaper.
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Death Notices — McHenry Plaindealer
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McHenry County Genealogical Society list of death notices that appeared in the McHenry County Plaindealer between 1875 and 1880.
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Death Notices — Woodstock Sentinel
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Death notices that appeared in the McHenry County Woodstock Sentinel newspaper between 1856 and 1894.
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Property
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Search the McHenry County Treasurer records for property tax information by year and parcel number or name.
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Recorded Documents
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Recorder's Office land records, including deeds, mortgages, judgments, easements, lis pendens, plats, notices, UCCs, judgments, survey maps, affidavits, agreements, and restrictions. Three options are available. One is free, the others are pay services.
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Property Assessment
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McHenry County Assessor property assessment records.
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GIS Maps
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Use this Geographic Information System from McHenry County, Illinois to view interactive maps.