United States Cities Ranked by the Frequency of Registered Sex Offenders

No one wants to think about having sex offenders in their city, but with a total of 917,771 registered sex offenders in the United States and its territories, according to the National Center for Missing and Exploited Children, it’s a harsh reality that must be faced. If you do the math, that’s 279 registered sex offenders for every 100,000 people!

Using data from City-Data, this article looks at the United States cities with the highest frequencies of sex offenders per every 10,000 residents. Out of all the states, Oregon has the largest percentage of sex offenders with 688 for every 100,000 people. Maryland, on the other hand, has the lowest percentage, with only 125 for every 100,000 people. But before we get into the numbers, I want to tell you a little bit more about registered sex offenders and their surrounding laws.

Sex Offender Risk Levels

Sex offenders are sorted into levels during sentencing or when they’re released from custody.

Not all sexual offenders are created equal. They are actually separated into three different levels in terms of how likely they are to repeat an offense. The level is determined either at their sentencing or when they are released from custody. The levels are as follows:

  • Level 1: low risk of repeat offense
  • Level 2: moderate risk of repeat offense
  • Level 3: High risk of repeat offense or a threat to public safety. Generally, Level 3 offenders have previous convictions, predatory characteristics that involve seeking victims unknown to the offender, and a tendency toward violence.
All registered sex offenders must notify the community of their zip code at the very least.

All registered sex offenders must notify the community that they’re moving into the neighborhood, although only Level 3 offenders must provide their entire address; Level 1 and 2 offenders merely supply their zip code.

United States Cities Ranked By the Frequency of Registered Sex Offenders

US Cities Ranked by Sex Offenders

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This infographic analyzes 125 major U.S. cities to provide a ratio of sex offenders to non-offenders, showing where the highest concentrations of sex offenders are. The top ten cities found to have the highest ratios are as follows:

1. Wilmington, Delaware — 1 sex offender for every 107 residents
2. Orlando, Florida — 1 sex offender for every 143 residents
3. Sioux Falls, South Dakota — 1 sex offender for every 153 residents
4. Helena, Montana — 1 sex offender for every 160 residents
5. Las Vegas, Nevada — 1 sex offender for every 163 residents
6. Richmond, Virginia — 1 sex offender for every 163 residents
7. Bismarck, North Dakota — 1 sex offender for every 168 residents
8. Louisville, Kentucky — 1 sex offender for every 173 residents
9. Hartford, Connecticut — 1 sex offender for every 182 residents
10. Cheyenne, Wyoming — 1 sex offender for every 186 residents

Those are the top ten, but if you want to see how your city ranks, click on the above infographic to expand.


Aside from staying informed about the number of sex offenders in your city, there are a few other ways to keep yourself safe. If you have kids, I recommend reading our security tips for stay-at-home moms, or consider getting a home security system of your own. As usual, if you have any questions or comments, feel free to write to me below and I’ll get back to you soon.

Gabe Turner

Gabe Turner

Gabe Turner is an attorney and journalist with a passion for home tech and secure, efficient living. Since graduating from NYU Law, he has maintained a paradoxical existence of trying to live life adventurously while remaining staunchly risk-averse. He is torn by the dual desires of wanting to only be in Brooklyn writing about housing policy and smart home tech and aspiring to visit his friends scattered across the globe. Gabe believes that stable, safe communities are the cornerstone to a vibrant and healthy society, and it is this passion that brought him to contribute to Security Baron.

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