Sex Offenders in St. Louis County, MO
As of August 2026, we index about 1,931 registrants with a St. Louis County, MO address — about 19.2 per 10,000 residents. The figure is approximate and moves continuously — search below for the current picture on any specific person.
No code needed — type a name, get photographs and official registry records.
How St. Louis County compares
Registrants we index per 10,000 residents, against the Missouri and national averages. All three rows come from the same continuously updated dataset, so the comparison divides like by like.
| Area | Registrants we index | Per 10,000 residents |
|---|---|---|
| St. Louis County, MO | 1,931 | 19.2 |
| Missouri average | 21,483 | 34.9 |
| United States average | 1,563,010 | 47.2 |
Search St. Louis County — and everywhere else at once
People move. A check limited to St. Louis County misses a registration anywhere else, so a search here covers every US registry — all 50 states, DC and the territories — and lets you narrow to a St. Louis County city or ZIP when that is the question. Every result is scored, carries its photographs, and links to the official registry record.
This is a live demo of the API shape returning sample data. Real, scored results across every registry require a free account with billing enabled.
City pages in St. Louis County
Per-city counts and search for the St. Louis County cities we publish pages for.
St. Louis County offender search FAQ
How many registered sex offenders are in St. Louis County?
As of August 2026, we index approximately 1,931 registrants with a St. Louis County, MO address — about 19.2 per 10,000 residents, or about 1 in 520 residents. Treat the figure as scale rather than a fixed number: the registered population moves continuously as people are added, move, or are released from the requirement. When you need an answer about a specific person, run a search.
How does St. Louis County compare with the rest of Missouri?
St. Louis County sits at about 19.2 registrants we index per 10,000 residents, against a Missouri average of about 34.9 and a national average of about 47.2. Density varies block by block inside any county, so use the ratio as context — and a search, not an average, to answer about a specific address or person.
How do I check a specific person in St. Louis County?
Type their last name and add whatever else you hold — first name, date of birth, or narrow to a St. Louis County city or ZIP. You get scored matches with photographs and official record links, and the search covers every US registry at once, so someone now in St. Louis County who was registered elsewhere still surfaces. Your first 25 searches are free, no card required.
Offendersearch is not a consumer reporting agency and results are not a consumer report. Do not use them for FCRA-covered decisions without appropriate process.