PUBLIC REGISTRY INFORMATION
214 registered sex offenders in Alton, Illinois
Explore registry information in Alton and check nearby locations on the free map.
Registry snapshot
October 7, 2026- Registry records
- 214
- Registry source
- Illinois Sex Offender Registry
Informational snapshot; verify current details with the official registry.
Registry context
Population & local 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
U.S. Census Bureau, ACS 5-year estimate. Records relative to population, not the share of residents on a registry.
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A 1-mile radius around the city map center. This is not the whole city count.
Open the interactive map →Associated 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 associated with 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 associated with 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 linked area shows its own total. Geographic totals overlap and should not be added together; cities and ZIP codes can cross county boundaries. 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 7, 2026 snapshot lists 214 registered sex offenders in Alton, Illinois. Counts are informational and may differ from official registry totals.
How are the associated areas shown?
The linked areas share registry locations with Alton. City, county and ZIP boundaries can differ, and their totals should not be added together.
Does the map preview show the whole city?
No. The preview shows public registry locations within 1 mile of the area’s map center. It covers a different area from the total above, and its live results may differ.
Check a specific address
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