PUBLIC REGISTRY INFORMATION
214 registered sex offenders in Alton, Illinois
See the October 2026 registry snapshot for Alton and search the map near a specific address.
Registry snapshot
October 2026- Registry records
- 214
- 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
- 84.7
- Population estimate
- 25,279
- About 1 registry record per
- 118 residents
149% above Madison County’s rate
About this snapshot
The October 2026 snapshot lists 214 registry records in Alton, Illinois. With an estimated population of 25,279, that is 84.7 registry records per 10,000 residents. This is 242% above the Illinois statewide rate (24.8 per 10,000).
Explore registered offender addresses near Alton
Nearby counties
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Cook County | 8,635 | 5,182,090 | 16.7 |
| Will County | 1,329 | 701,462 | 18.9 |
| Jefferson County | 570 | 36,550 | 156.0 |
| Christian County | 544 | 33,538 | 162.2 |
| Schuyler County | 481 | 6,787 | 708.7 |
| Livingston County | 335 | 35,565 | 94.2 |
| Montgomery County | 279 | 27,942 | 99.8 |
| Randolph County | 229 | 30,058 | 76.2 |
| Macoupin County | 162 | 44,350 | 36.5 |
| Union County | 90 | 16,997 | 53.0 |
| Greene County | 57 | 11,683 | 48.8 |
ZIP codes near Alton
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| ZIP code 62002 | 212 | 29,543 | 71.8 |
| ZIP code 62035 | 31 | 15,892 | 19.5 |
Other cities near Madison County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Collinsville | 40 | 24,031 | 16.6 |
| East Alton | 35 | 5,689 | 61.5 |
| Edwardsville | 33 | 26,474 | 12.5 |
| Cottage Hills | 30 | — | — |
| Bethalto | 18 | 9,239 | 19.5 |
| Pontoon Beach | 15 | 6,025 | 24.9 |
| Glen Carbon | 12 | 13,977 | 8.6 |
| Roxana | 7 | 1,556 | 45.0 |
| Moro | 5 | 524 | 95.4 |
| Worden | 5 | 1,094 | 45.7 |
| Granite City Area | 2 | — | — |
| New Douglas | 2 | 346 | 57.8 |
| Culver City | 1 | — | — |
| E Alton | 1 | — | — |
| Ellaville | 1 | — | — |
| Madison City | 1 | — | — |
| Natl Stock Yd | 1 | — | — |
| Pleasant Shade | 1 | — | — |
| South Roxanna | 1 | — | — |
| Two Rivers | 1 | — | — |
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 Alton?
The October 2026 snapshot lists 214 registry records in Alton, 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.
Check a specific address
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