PUBLIC REGISTRY INFORMATION
43 registered sex offenders in ZIP code 51104, Iowa
See the October 2026 registry snapshot for ZIP code 51104 and search the map near a specific address.
Registry snapshot
October 2026- Registry records
- 43
- 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
- 18.5
- Population estimate
- 23,197
- About 1 registry record per
- 539 residents
49% below Woodbury County’s rate
About ZIP code 51104
The October 2026 snapshot lists 43 registry records in ZIP code 51104, Iowa. With an estimated population of 23,197, that is 18.5 registry records per 10,000 residents. This is 25% below the Iowa statewide rate (24.8 per 10,000).
Explore registered offender addresses near ZIP code 51104
Nearby cities
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Sergeant Bluff | 12 | 5,171 | 23.2 |
Other ZIP codes near Sioux City
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| ZIP code 51103 | 108 | 16,895 | 63.9 |
| ZIP code 51105 | 89 | 10,415 | 85.5 |
| ZIP code 51106 | 64 | 28,592 | 22.4 |
| ZIP code 51101 | 36 | 1,031 | 349.2 |
| ZIP code 51109 | 14 | 3,606 | 38.8 |
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 ZIP code 51104?
The October 2026 snapshot lists 43 registry records in ZIP code 51104, 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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