PUBLIC REGISTRY INFORMATION

1,257 registered sex offenders in Lake County, Illinois

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

Registry snapshot

October 2026
Registry records
1,257
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
17.6
29% below the Illinois statewide rateIllinois: 24.8 per 10,000
Population estimate
714,223
About 1 registry record per
568 residents
Rank by registry rate#97 of 102 Illinois counties

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

About this snapshot

The October 2026 snapshot lists 1,257 registry records in Lake County, Illinois. With an estimated population of 714,223, that is 17.6 registry records per 10,000 residents. This is 29% below the Illinois statewide rate (24.8 per 10,000).

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Cities near Lake County

LocationRegistry recordsPopulation estimateRecords per 10,000
Aurora346179,89819.2
Dixon22814,910152.9
East Moline10920,90452.1
Des Plaines7059,15611.8
Antioch3614,85924.2
Beach Park3114,11522.0
Algonquin2930,0679.6
Lake Villa228,68325.3
Arlington Heigh21——
Round Lake1318,6287.0
Lincolnshire107,98012.5
Volo106,70614.9
Hebron91,26171.4
Barrington811,0777.2
Seneca82,45032.7
Akron2——
Allendale249940.1
Bannockburn11,1488.7
Beachpark1——
Jail1——

ZIP codes near Lake County

LocationRegistry recordsPopulation estimateRecords per 10,000
ZIP code 6061929959,50350.2
ZIP code 6008525472,34135.1
ZIP code 6280124919,827125.6
ZIP code 6009915030,88148.6
ZIP code 62259108——
ZIP code 600146548,59013.4
ZIP code 600164860,8987.9
ZIP code 600023424,23214.0
ZIP code 600973411,98328.4
ZIP code 600072332,5927.1
ZIP code 600202310,97021.0
ZIP code 601642320,87211.0
ZIP code 600842017,19211.6
ZIP code 600131926,6947.1
ZIP code 600101545,7473.3
ZIP code 600081422,8006.1
ZIP code 601721424,1415.8
ZIP code 600121312,36810.5
ZIP code 60096126,52718.4
ZIP code 60015828,0962.8

Other counties in Illinois

LocationRegistry recordsPopulation estimateRecords per 10,000
Sangamon County911194,94746.7
Madison County898264,23834.0
Macon County585101,84957.4
Jefferson County57036,550156.0
Livingston County33535,56594.2
Lee County33433,86998.6
LaSalle County277108,71425.5
Coles County25646,77754.7
Marion County24737,00066.8
Johnson County22013,376164.5
Logan County17327,71362.4
Macoupin County16244,35036.5
Lawrence County13415,03189.1
Union County9016,99753.0
Douglas County8219,75141.5
Monroe County5335,03615.1
Marshall County5211,64744.6
Cumberland County4910,33447.4
Jasper County359,18038.1
Hardin County153,60541.6

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 Lake County?

The October 2026 snapshot lists 1,257 registry records in Lake 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?

Open the free interactive map, enter an address, and choose a search radius. Verify identity and current status with the official registry.

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