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58 US registries · continuously updated

Sex Offenders in Thornton, CO

About 245 registrants we index list a Thornton address — about 1 in 579 residents. The figure is approximate and moves continuously — search below for the current picture on any specific person.

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Check the streets on your route for registered sex offenders before you go. Search any address and see who is registered nearby, with photos and official record links.

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Registered sex offenders in Thornton by the numbers

  • About 245 registrants we index list a Thornton address — about 1 in 579 residents.
  • That is 17.3 per 10,000 residents, about 23% below the Colorado average of 22.4.
  • Thornton accounts for about 2% of the registrants we index in Colorado.
  • It ranks 6th of the 10 Colorado cities we publish pages for by number of registrants we index, and 7th of 10 by rate per resident.
  • Thornton is in Adams County, where we index about 1,249 registrants — Thornton is about 20% of that.

Counts are registrants we index with a Thornton address as of August 2026, rounded and approximate — not an official figure. Rates use 2020 Census population.

How Thornton compares

Registrants we index per 10,000 residents as of August 2026, against the Colorado and national averages. All three rows come from the same continuously updated dataset, so the comparison divides like by like.

AreaRegistrants we indexPer 10,000 residents
Thornton, CO24517.3
Colorado average12,91822.4
United States average1,563,01047.2

Sex offenders near me in Thornton — and everywhere else at once

People move. A check limited to Thornton misses a registration anywhere else, so a search here covers every US registry — the 50 states, DC and the territories — and lets you narrow to Thornton by city or ZIP when that is the question. Every result is scored, carries its photographs, and links to the official registry record.

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Checking around a specific address? Search sex offenders near me by address or ZIP. Looking wider than Thornton? See the Adams County sex offender registry.

How Colorado’s registry works for a Thornton search

Colorado's registry publishes a full date of birth, so if you know the person's birthday a match can be confirmed precisely. With a common name, a matching date of birth is the fastest way to tell two people apart.

Colorado’s own public search is Colorado Sex Offender Registry (CBI). It answers for Colorado only. People move across state lines, and a check limited to Colorado misses a registration made anywhere else. A Thornton search here reaches Colorado, its neighbours (Arizona, Kansas, Nebraska, New Mexico) and every other US registry in the same pass — so a registration from a prior state still surfaces on someone who now lives in Thornton.

Read the record, not just the name. Names repeat, so confirm the photograph, the date of birth or age, and the offense detail, then follow the official record link to verify at the source.

Search near an address in Thornton

The question most people bring to a Thornton page is about one street — a home you are renting, a school, a park, a babysitter’s house. Enter that address or its ZIP code and pick a radius: a few blocks for a single home, a mile or more for a neighborhood. Results are the full registry records nearest that point, with photographs, offenses and the link to the official record.

Radius search sees registrants whose published address we have placed on a map coordinate, so when you are checking a particular person, search their name as well. To keep watching an area rather than checking once, set up a location alert and you will be emailed when someone registered nearby is added or moves in.

Search by address or ZIP · Get a list for your area · Alerts when someone moves in

What a Colorado registry record shows — and what it doesn’t

A registry record typically carries the registrant’s name and any aliases, a photograph, the address they last reported, the offense or offenses that required registration, and their registration status. Most also give a physical description, and many give a risk level or tier.

What it is not: a full criminal history. A registry lists the offenses that carry a registration duty, not every arrest or conviction, and an address is where someone last reported living, not proof of where they are today. Offenses that never required registration will not appear here at all — that is what a criminal records search is for. How to read a record · Criminal record search

Two ways to use it

Search right here

Type a name and get the people who match — photographs, addresses, offenses, and the official record behind each one. Upload a CSV to check a whole list. Your searches are stored with the results you saw, so you keep an audit trail.

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Thornton offender search FAQ

Are there sex offenders near me in Thornton?

Yes — we index about 245 registrants with a Thornton address, about 17.3 per 10,000 residents. Whether any live near you depends on the street, not the city average, so search from your own address or ZIP and widen the radius until it covers the area you care about.

How many sex offenders are in Thornton, CO?

We index approximately 245 registrants with a Thornton address — about 1 in 579 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 do I find sex offenders in Thornton by address?

Enter a Thornton street address or ZIP code and choose a radius — from one mile up to a whole area. Each result is the full registry record: photograph, offenses and the link to the official record. Radius search sees registrants whose published address we have placed on a map coordinate, so pair it with a name search when you are checking a specific person.

Is there a Adams County sex offender list?

Registries are kept by the state, not the county, so there is no separate official county list. The Adams County page lists the registrants we index across the county (about 1,249), with a per-city breakdown, and a search can be narrowed to any Adams County city or ZIP.

How do I check a specific person in Thornton?

Type their last name and add whatever else you hold — first name, date of birth, or narrow to Thornton by city or ZIP. You get scored matches with photographs and official record links. Your first 25 searches are free, no card required.

Does a Thornton search include people registered in other states?

Yes — that is the point of searching here rather than one state's site. A search runs across every US registry at once, so someone now in Thornton who was registered elsewhere still surfaces. Narrowing to Thornton filters where people live; it never shrinks where we look.

Can I get an alert when a registered sex offender moves to Thornton?

Yes. A location monitor watches an address and radius in Thornton and emails you when someone registered nearby is added or moves in, so you are not re-running the same search every few weeks.

Is this the official registry list?

No single official "list of sex offenders in Thornton" exists — registries are maintained per jurisdiction, not per city. What you search here is our continuously updated national dataset, each record carrying a link to its official registry entry so you can verify any result at the source that published it.

Standard results are not a consumer report; FCRA-covered decisions run through FCRA Partner Access, our separately enabled regulated service.

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Monitoring & alerts

Get alerts for Thornton, CO

We'll email you when a registered offender is added or moves near your Thornton, CO address. A monitor is a recurring watch on our continuously updated data, checked every morning — set one on an address and radius, or on one person by name and date of birth.

Area monitoring is $10/mo; watching one person by name is $3/mo. Send the alerts to yourself and anyone else who should know, and turn a monitor off any time.

This is not a consumer report and must not be used for FCRA-governed hiring, tenancy, or credit decisions — those run through FCRA Partner Access.

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