PUBLIC REGISTRY INFORMATION

517 registered sex offenders in McHenry County, Illinois

See the October 2026 registry snapshot for McHenry County and search the map near a specific address.

Registry snapshot

October 2026
Registry records
517
Registry source
Illinois Sex Offender Registry

This is a snapshot. Check the official registry for current information.

Registry statistics

Population and rate comparison
Registry records per 10,000 residents
16.5
33% below the Illinois statewide rateIllinois: 24.8 per 10,000
Population estimate
312,591
About 1 registry record per
605 residents
Rank by registry rate#99 of 102 Illinois counties

U.S. Census Bureau, ACS 5-year estimate.

About this snapshot

The October 2026 snapshot lists 517 registry records in McHenry County, Illinois. With an estimated population of 312,591, that is 16.5 registry records per 10,000 residents. This is 33% below the Illinois statewide rate (24.8 per 10,000).

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Cities near McHenry County

LocationRegistry recordsPopulation estimateRecords per 10,000
Aurora346179,89819.2
Canton25113,144191.0
Belvidere9124,75236.8
Mchenry6028,07421.4
Addison5235,48914.7
Antioch3614,85924.2
Manteno369,03039.9
Algonquin2930,0679.6
Arlington Heigh21——
Fox Lake2111,13118.9
Arlington Heights2076,0052.6
Cary1817,92310.0
Ingleside18——
Hoffman Estates1751,1753.3
Amboy152,38462.9
Richmond132,62249.6
Barrington811,0777.2
East Dundee73,14622.3
Pingree Grove610,9145.5
Johnsburg46,3866.3

ZIP codes near McHenry County

LocationRegistry recordsPopulation estimateRecords per 10,000
ZIP code 6012012351,22524.0
ZIP code 600146548,59013.4
ZIP code 600314737,10712.7
ZIP code 600504431,78113.8
ZIP code 600334112,99931.5
ZIP code 607073741,1169.0
ZIP code 600023424,23214.0
ZIP code 601022932,2869.0
ZIP code 606072732,3928.3
ZIP code 600042551,8354.8
ZIP code 600202310,97021.0
ZIP code 601522212,41717.7
ZIP code 601182015,89212.6
ZIP code 600131926,6947.1
ZIP code 600101545,7473.3
ZIP code 600121312,36810.5
ZIP code 6003492,03344.3
ZIP code 6013587,27411.0
ZIP code 6002164,99612.0
ZIP code 600381——

Other counties in Illinois

LocationRegistry recordsPopulation estimateRecords per 10,000
Kane County1,185517,25522.9
Peoria County970179,64554.0
St. Clair County637253,69425.1
Vermilion County55472,38676.5
McLean County506171,55629.5
Montgomery County27927,94299.8
Ogle County22351,49543.3
Perry County20720,639100.3
Franklin County20337,32354.4
Boone County19753,23037.0
Morgan County18033,02154.5
Brown County1536,322242.0
Fayette County14221,31566.6
Lawrence County13415,03189.1
Clark County6815,26644.5
Moultrie County6014,42441.6
Monroe County5335,03615.1
Mercer County4115,49526.5
Menard County3912,09532.2
Edwards County376,07560.9

Each area shows its own total. City, county, and ZIP totals can overlap. Population figures, where shown: U.S. Census Bureau, ACS 5-year estimate.

Frequently asked questions

How many registered sex offenders are listed in McHenry County?

The October 2026 snapshot lists 517 registry records in McHenry County, Illinois. Counts may differ from official registry totals. Check the official registry for current details.

How do city, county, and ZIP totals relate?

City, county, and ZIP boundaries can overlap, so the same registry record may appear in more than one area.

How can I check registry information near an address?

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