Early voting locations in McHenry County, Illinois for November 3, 2026
You can vote early in McHenry County from Thursday, September 24 through Monday, November 2, 2026 at any of the 12 early voting sites listed below. Most sites are open 8:30 a.m. to noon; each site's own days and hours are under its address.
From the McHenry County Clerk's official list, checked October 15, 2026. Hours can change, so check before you go.
McHenry County election authority: address and phone.
Want the nearest site? Enter your address on the Illinois page to see McHenry County's sites nearest first, with your Election Day polling place where it is published.
McHenry County early voting sites (12)
- McHenry County Election Center
410 S. Eastwood Dr., Woodstock, IL
Monday to Friday, September 24 to October 16 (closed October 12): 8:30 a.m. to 4:30 p.m.
Monday to Friday, October 19 to 23: 8:30 a.m. to 4:30 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 7 p.m.
Saturday, October 31: 8:30 a.m. to 5 p.m.
Sunday, November 1: 8:30 a.m. to 3 p.m.
Monday, November 2: 8:30 a.m. to 7 p.m.
Directions - Lake in the Hills Village Hall
600 Harvest Gate, Lake in the Hills, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4:30 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 7 p.m.
Saturday, October 31: 8:30 a.m. to 5 p.m.
Sunday, November 1: 8:30 a.m. to 3 p.m.
Monday, November 2: 8:30 a.m. to 7 p.m.
Directions - Algonquin Township Garage (Building 6B)
3702 US Hwy. 14, Crystal Lake, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4:30 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 7 p.m.
Saturday, October 31: 8:30 a.m. to 5 p.m.
Sunday, November 1: 8:30 a.m. to 3 p.m.
Monday, November 2: 8:30 a.m. to 7 p.m.
Directions - McHenry City Hall
333 S. Green St., McHenry, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4:30 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 7 p.m.
Saturday, October 31: 8:30 a.m. to 5 p.m.
Sunday, November 1: 8:30 a.m. to 3 p.m.
Monday, November 2: 8:30 a.m. to 7 p.m.
Directions - Crystal Lake Public Library
126 Paddock St., Crystal Lake, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4:30 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 7 p.m.
Saturday, October 31: 8:30 a.m. to 5 p.m.
Sunday, November 1: 8:30 a.m. to 3 p.m.
Monday, November 2: 8:30 a.m. to 7 p.m.
Directions - Nunda Township Office
3510 Bay Rd., Crystal Lake, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4:30 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 7 p.m.
Saturday, October 31: 8:30 a.m. to 5 p.m.
Sunday, November 1: 8:30 a.m. to 3 p.m.
Monday, November 2: 8:30 a.m. to 7 p.m.
Directions - McHenry Township Office
3703 N. Richmond Rd., Johnsburg, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4:30 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 7 p.m.
Saturday, October 31: 8:30 a.m. to 5 p.m.
Sunday, November 1: 8:30 a.m. to 3 p.m.
Monday, November 2: 8:30 a.m. to 7 p.m.
Directions - Cary Park District
255 Briargate Rd., Cary, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 4 p.m.
Saturday, October 31: 8:30 a.m. to noon
Directions - Algonquin Library
2600 Harnish Dr., Algonquin, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 4 p.m.
Saturday, October 31: 8:30 a.m. to noon
Directions - Huntley Park District
12015 Mill St., Huntley, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4 p.m.
Saturday, October 24: 8:30 a.m. to noon
Monday to Friday, October 26 to 30: 8:30 a.m. to 4 p.m.
Saturday, October 31: 8:30 a.m. to noon
Directions - Dunham Township Office
107 Airport Rd., Harvard, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4 p.m.
Monday to Friday, October 26 to 30: 8:30 a.m. to 4 p.m.
Saturday, October 31: 8:30 a.m. to noon
Directions - Marengo City Hall
132 E. Prairie St., Marengo, IL
Monday to Friday, October 19 to 23: 8:30 a.m. to 4 p.m.
Monday to Friday, October 26 to 30: 8:30 a.m. to 4 p.m.
Saturday, October 31: 8:30 a.m. to noon
Directions
McHenry County early voting questions
Where can I vote early in McHenry County?
At any of the 12 early voting sites on this page, from the McHenry County Clerk's list.
When does early voting start in McHenry County?
Early voting in McHenry County starts Thursday, September 24, 2026 at the first sites to open. Some sites open later; each site's days are on this page.
When does early voting end in McHenry County?
The last day of early voting in McHenry County is Monday, November 2, 2026. Election Day is Tuesday, November 3.
What are the early voting hours in McHenry County?
Hours differ by site and day. The most common hours are 8:30 a.m. to noon. Check the site you plan to use before you go.
Who can vote early in McHenry County?
Any registered voter in McHenry County. Illinois election authorities publish their own early voting sites. Any Chicago voter can vote at any Chicago site; any suburban Cook County voter can vote at any suburban Cook County site.
More for Illinois voters
- Illinois voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Every Illinois early voting site we have.
- Who's on the Illinois ballot.
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