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Contact us

We'd love to hear from you! Please email us using the form below.

This form is not intended for making research requests or inquiring about donating artifacts to the museum.

For information on our Research Center or to start a research request, view our Research Center guidelines and request form

For information on donating items to the museum, view our artifact donation guidelines and artifact donation form

For information on volunteering with us, view our volunteer form

PHONE: 815-923-2267    MAIL: P.O. Box 434     ADDRESS: 6422 MAIN ST. UNION IL 60180


Our Address

6422 Main Street
P.O. Box 434, Union, IL 60180
Phone: (815) 923-2267

Museum Hours

The Museum is open Tuesday through Friday, 11 am to 4 pm, and on Saturdays, 11 am to 4 pm, March 16, 2024 - October 19, 2023, at 11 am. Admission is $5 for adults and $3 for students and seniors. Members are free with a membership card.

Research Library Hours

Our private Research Center is open by appointment only; no walk-ins are allowed. Visit the Research tab to learn about and begin your research request.

Society Office Hours

The Historical Society office is available by appointment only; please call 815-923-2267.

The Museum and Offices are closed on New Year's Eve, New Year's Day, Good Friday, Memorial Day, Fourth of July, Labor Day, Thanksgiving Day, Black Friday, Christmas Eve, and Christmas Day.

The McHenry County Historical Society has a wide array of volunteer opportunities available for those interested.