PUBLIC REGISTRY INFORMATION
115 registered sex offenders in Mason City, Iowa
See the October 2026 registry snapshot for Mason City and search the map near a specific address.
Registry snapshot
October 2026- Registry records
- 115
- 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
- 42.5
- Population estimate
- 27,050
- About 1 registry record per
- 235 residents
44% above Cerro Gordo County’s rate
About this snapshot
The October 2026 snapshot lists 115 registry records in Mason City, Iowa. With an estimated population of 27,050, that is 42.5 registry records per 10,000 residents. This is 71% above the Iowa statewide rate (24.8 per 10,000).
Explore registered offender addresses near Mason City
Nearby counties
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Polk County | 1,132 | 503,175 | 22.5 |
ZIP codes near Mason City
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| ZIP code 50401 | 113 | 28,703 | 39.4 |
| ZIP code 50131 | 10 | 24,583 | 4.1 |
| ZIP code 50402 | 1 | — | — |
Other cities near Cerro Gordo County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Clear Lake | 3 | 7,607 | 3.9 |
| Thornton | 3 | 514 | 58.4 |
| Clearlake | 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 Mason City?
The October 2026 snapshot lists 115 registry records in Mason City, 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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