Registered sex offenders in Lake County, IL
924 people on the Illinois registry list an address in Lake County, as of our last check of the official registry on October 22, 2026.
Open the Lake County map Family safety tips
By registry category
| Category (as listed by ISP) | People |
|---|---|
| Child Sex Offender | 794 |
| Adult Sex Offender | 124 |
| Murderer | 6 |
| Listed as non-compliant with registration | 157 |
Towns in Lake County
Waukegan 245North Chicago 124Zion 122Gurnee 32Round Lake Beach 30Antioch 27Mundelein 24Lake Villa 22Beach Park 21Grayslake 16Wauconda 16Park City 14Ingleside 14Highland Park 14Fox Lake 14Libertyville 11Wadsworth 10Round Lake 9Lake Zurich 9Winthrop Harbor 9Lake Bluff 8Vernon Hills 7Island Lake 6Lindenhurst 6Round Lake Park 6Spring Grove 6Buffalo Grove 6Volo 6Long Grove 5Highwood 5Lakemoor 5Barrington 4Hainesville 4Lake Forest 4Lincolnshire 4Riverwoods 3Round Lk Bch 3Deerfield 3Roundlake 3Palatine 1
ZIP codes
600856009960064600736008760031600466000260060600306008460020600476003560041600486008360096600446001060015600616004260081600896005160040600456006960013600506007460628
Questions
How many registered sex offenders live in Lake County, Illinois?
924 people on the Illinois State Police registry list an address in Lake County as of October 22, 2026.
How can I see where they are on a map?
Open the free map and search any address, town or ZIP code. It lists everyone on the registry within the distance you pick, nearest first, with photos and approximate locations.
How current is this information?
We check our copy against the official Illinois State Police registry regularly; the last check was October 22, 2026. Registry information changes often and can be wrong, so always confirm with the official registry at isp.illinois.gov/Sor.
Can I get notified when someone moves near Lake County?
The Illinois State Police offers free email notifications on its registry site. NearbyOffenders.com's free email alerts for one address are launching soon; you can join the list.
Counts come from the Illinois State Police public sex offender registry and are grouped by the city each registrant lists, which may not match city limits. Registry information can be out of date or wrong; always confirm with the official registry at isp.illinois.gov/Sor. Registrants under 18 are not shown. NearbyOffenders.com is independent and not affiliated with the Illinois State Police or any government agency. Using registry information to harass or threaten anyone is against the law. Terms & Privacy