McHenry County Government

McHenry County Government McHenry County is the sixth largest county in Illinois. It's located in northwest suburban Chicago.

Founded in 1836, McHenry County Government is a county in Illinois that is dedicated to providing the highest quality services to its residents.

There's an app for that! Did you know that the McHenry County Sheriff's Office, McHenry County Emergency Management Agen...
06/15/2026

There's an app for that! Did you know that the McHenry County Sheriff's Office, McHenry County Emergency Management Agency, and McHenry County Mental Health Board have apps to connect you with services and info? Download them for free on Google Play and the Apple Store!

Happy Flag Day!
06/14/2026

Happy Flag Day!

Happy 251st Birthday to the US Army!
06/14/2026

Happy 251st Birthday to the US Army!

If you scream for ice cream, then you're going to love the latest challenge trail from our friends at Naturally McHenry ...
06/13/2026

If you scream for ice cream, then you're going to love the latest challenge trail from our friends at Naturally McHenry County, Illinois!

The McHenry County Ice Cream Trail is a fun way to explore our locally owned ice cream shops. Lasting through the end of September, visitors can check in at participating locations through the free Naturally McHenry County app - people who visit all participating businesses will earn an exclusive discount card valid through the rest of the year!

Visit https://bit.ly/3S70ZSL to learn more!

Mosquitoes collected June 5 in Fox River Grove tested positive for West Nile virus, marking the first positive test in M...
06/13/2026

Mosquitoes collected June 5 in Fox River Grove tested positive for West Nile virus, marking the first positive test in McHenry County for 2026. No human cases have been reported.

Recent heavy rains will increase the number of breeding areas for mosquitoes. Visit https://bit.ly/4xrso1R or call 815-334-4585 to learn how to protect yourself from West Nile.

If you're a SNAP recipient who lost food during a qualifying power outage of four hours or more, you can request to have...
06/12/2026

If you're a SNAP recipient who lost food during a qualifying power outage of four hours or more, you can request to have that food replaced if you report the loss within 10 days of discovering the food destroyed. Visit https://bit.ly/3SCwSCN to learn more.

McHenry County government is hiring, and we're always on the lookout for hard-working and talented people to join our wo...
06/12/2026

McHenry County government is hiring, and we're always on the lookout for hard-working and talented people to join our workforce. You can search and apply for open jobs by visiting www.mchenrycountyil.gov/employment.

UPDATE - WARNING EXTENDED: McHenry County is under a severe thunderstorm WARNING until 7:15 p.m. Thursday, June 11, 2026...
06/11/2026

UPDATE - WARNING EXTENDED: McHenry County is under a severe thunderstorm WARNING until 7:15 p.m. Thursday, June 11, 2026. A tornado watch is still in effect until 9 p.m.

While we're honored that you follow us on social media, the best way by far to get timely alerts of incoming severe weat...
06/11/2026

While we're honored that you follow us on social media, the best way by far to get timely alerts of incoming severe weather is by making sure your phone is receiving emergency alerts, monitoring local TV and radio, or by owning an all-hazards NOAA radio. Have multiple ways to receive warnings!

The National Weather Service has issued a tornado watch for McHenry County and all of northern and central Illinois unti...
06/11/2026

The National Weather Service has issued a tornado watch for McHenry County and all of northern and central Illinois until 9 p.m. Thursday, June 11, 2026.

Address

2200 N Seminary Avenue
Woodstock, IL
60098

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

(815) 334-4000

Website

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