PUBLIC REGISTRY INFORMATION
40 registered sex offenders in Lyon County, Iowa
See the October 2026 registry snapshot for Lyon County and search the map near a specific address.
Registry snapshot
October 2026- Registry records
- 40
- Registry source
- Iowa 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
- 32.9
- Population estimate
- 12,162
- About 1 registry record per
- 304 residents
About this snapshot
The October 2026 snapshot lists 40 registry records in Lyon County, Iowa. With an estimated population of 12,162, that is 32.9 registry records per 10,000 residents. This is 32% above the Iowa statewide rate (24.8 per 10,000).
Explore registered offender addresses near Lyon County
Cities near Lyon County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Sheldon | 12 | 5,474 | 21.9 |
| Rock Rapids | 10 | 2,661 | 37.6 |
| Hull | 8 | 2,317 | 34.5 |
| Doon | 5 | 529 | 94.5 |
| George | 4 | 1,064 | 37.6 |
| Little Rock | 4 | 395 | 101.3 |
| Inwood | 3 | 793 | 37.8 |
| Larchwood | 3 | 1,136 | 26.4 |
ZIP codes near Lyon County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| ZIP code 51201 | 12 | 6,430 | 18.7 |
| ZIP code 51246 | 9 | 4,041 | 22.3 |
| ZIP code 51239 | 8 | 2,876 | 27.8 |
| ZIP code 51235 | 5 | 1,007 | 49.7 |
| ZIP code 51237 | 4 | 1,605 | 24.9 |
| ZIP code 51241 | 4 | 2,103 | 19.0 |
| ZIP code 51243 | 4 | 735 | 54.4 |
| ZIP code 51240 | 3 | 1,914 | 15.7 |
Other counties in Iowa
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Marshall County | 176 | 40,114 | 43.9 |
| Muscatine County | 143 | 42,559 | 33.6 |
| Clinton County | 119 | 46,268 | 25.7 |
| Jasper County | 83 | 37,954 | 21.9 |
| Marion County | 78 | 33,642 | 23.2 |
| Mahaska County | 66 | 22,021 | 30.0 |
| Clayton County | 40 | 17,013 | 23.5 |
| Bremer County | 35 | 25,204 | 13.9 |
| Monona County | 31 | 8,557 | 36.2 |
| Madison County | 25 | 16,926 | 14.8 |
| Montgomery County | 25 | 10,214 | 24.5 |
| Calhoun County | 23 | 9,803 | 23.5 |
| Mills County | 22 | 14,568 | 15.1 |
| Crawford County | 21 | 16,277 | 12.9 |
| Taylor County | 20 | 5,868 | 34.1 |
| Mitchell County | 19 | 10,575 | 18.0 |
| Monroe County | 17 | 7,513 | 22.6 |
| Palo Alto County | 15 | 8,863 | 16.9 |
| Ringgold County | 9 | 4,645 | 19.4 |
| Adams County | 7 | 3,622 | 19.3 |
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 Lyon County?
The October 2026 snapshot lists 40 registry records in Lyon County, Iowa. 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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