The number of registered sex offenders living in Columbia County in December 2025 remained unchanged compared to November 2025, according to the Wisconsin Sex Offender Registry.
Overall, Columbia County had 75 registered sex offenders in December 2025.
According to the Registry, 11 of these sex offenders were incarcerated at the time.
The Wisconsin Department of Corrections manages the state’s Sex Offender Registry, which requires individuals convicted of certain sex offenses to register and keep their information current. Registrants must provide details such as name, address, and offense, and are obligated to report any changes so the registry remains accurate. The registry is updated regularly and is accessible to the public through the DOC’s online database.
Wisconsin, which ranks 10th for the overall number of sex offenders, ranks fifth for sex offenders per 100,000 residents. Nationwide, more than 795,000 people were listed on sex offender registries as of August 2024, an increase of about 8,000 from 2023.
Frequently updated information about sex offenders in Wisconsin can be found online here.
| Offender | Crime |
|---|---|
| Alfredo Juarez | Second-Degree Sexual Assault |
| Andrea Michelle Yurowski | First-Degree Sexual Assault of a Child |
| Andres Feliciano Ramos | Third-Degree Sexual Assault |
| Andrew J. Osterhoff | Second-Degree Sexual Assault of a Child |
| Anthony Rubio | Second-Degree Sexual Assault of a Child |
| Anthony J. Riesland | Third-Degree Sexual Assault |
| Ben Oldakowski | Sexually Violent Person Commitment, Rape |
| Brandon J. Hagy | Repeated Acts of Sexual Assault Against Same Child |
| Brett M. Berryman | Possession of Child Pornography |
| Brian P. Braker | Second-Degree Sexual Assault of a Child |
| Brian D. Warren | Second-Degree Sexual Assault of a Child |
| Brian L. Thomson | Second-Degree Sexual Assault of a Child |
| Chris W. Poad | Second-Degree Sexual Assault, Sexually Violent Person Commitment |
| Cole J. Lumby | Third-Degree Sexual Assault |
| Dale D. Drinkwater | Possession of Child Pornography |
| Daniel Shebel | Distribution of Child Pornography |
| David J. Cobbs | First-Degree Sexual Assault of a Child |
| David P. Nack | Second-Degree Sexual Assault of a Child, Child Enticement |
| Derrick J. Gray | Second-Degree Sexual Assault of a Child |
| Dominic P. Parise | Second-Degree Sexual Assault of a Child |
| Donald L. Olson | Second-Degree Sexual Assault |
| Dustin J. Baerwolf | First-Degree Sexual Assault of a Child |
| Dwight Devon Cloak | Third-Degree Sexual Assault |
| Eric Scott Watters | Child Enticement |
| Gary P. Wantroba | Second-Degree Sexual Assault of a Child |
| Isaac Smith | Second-Degree Sexual Assault of a Child |
| Jake H. Elkins | Exposing a Child to Harmful Materials |
| Jason A. Bloedow | Second-Degree Sexual Assault of a Child |
| Jerimiah R. Mankowski | Criminal Sexual Conduct 4th Degree |
| Jerome L. Scott | Second-Degree Sexual Assault of a Child |
| Jeromy Miller | First-Degree Sexual Assault of a Child |
| Jessie J. Trombley | Forcible Touch |
| Jesus Sanchez | First-Degree Sexual Assault of a Child |
| John G. Dahlk | Second-Degree Sexual Assault |
| Juan Castillo Jr. | Second-Degree Sexual Assault of a Child |
| Keith A. Vodraska | First-Degree Sexual Assault of a Child |
| Kevin R. Smith | Second-Degree Sexual Assault of a Child |
| Kyle J. Dolske | Third-Degree Sexual Assault |
| Loren R. Wirsbinski | Repeated Acts of Sexual Assault Against Same Child |
| Marjoe C. Martino | First-Degree Sexual Assault of a Child |
| Matthew R. Martin | Indecent Assault and Battery of Child under 14 |
| Michael J. Corning | First-Degree Sexual Assault of a Child |
| Michael W. mc Williams | Second-Degree Sexual Assault of a Child |
| Michael P. Vanwormer | Second-Degree Sexual Assault |
| Michael D. Droster | Exposing a Child to Harmful Materials |
| Michael Whitsell | Second-Degree Sexual Assault of a Child |
| Nicholas R. Knoble | Third-Degree Sexual Assault |
| Nicholas Marshall | Second-Degree Sexual Assault of a Child |
| Nicholas J. Scott | Second-Degree Sexual Assault of a Child |
| Noah B. Quinnell | Attempt Sexual Assault |
| Paul E. Cebery | Second-Degree Sexual Assault of a Child |
| Peter L. Dunn | Second-Degree Sexual Assault |
| Ralph E. Kendall | Second-Degree Sexual Assault |
| Richard C. Reichhoff | Second-Degree Sexual Assault of a Child |
| Ricky J. Roth | First-Degree Sexual Assault |
| Robert W. Graham | Second-Degree Sexual Assault |
| Robert Taylor | Second-Degree Sexual Assault of a Child, First-Degree Sexual Assault of a Child |
| Robert N. Curtis | Third-Degree Sexual Assault, Second-Degree Sexual Assault |
| Scott Farr | Second-Degree Sexual Assault of a Child, Second-Degree Sexual Assault |
| Seth D. Kerr | Second-Degree Sexual Assault of a Child |
| Sexually Person Sexually Violent Person | Sexually Violent Person Commitment, First-Degree Sexual Assault |
| Shannon J. Duren | Second-Degree Sexual Assault of a Child |
| Shawn William Elert | Traveling to Meet a Minor (Parent) – |
| Shawn N. Pendleton | First-Degree Sexual Assault of a Child |
| Stanford L. Clacks | Second-Degree Sexual Assault |
| Steven T. Groninger | Repeated Acts of Sexual Assault Against Same Child |
| Steven J. Bennett | Second-Degree Sexual Assault of a Child |
| Steven Sutton | Repeated Acts of Sexual Assault Against Same Child |
| Thomas Hartman | Second-Degree Sexual Assault of a Child |
| Thomas J. Traver | Second-Degree Sexual Assault of a Child |
| Thomas L. Tewes | Possession of Child Pornography |
| Timothy L. Hanson | Second-Degree Sexual Assault of a Child |
| Wayne J. Screnock | Second-Degree Sexual Assault of a Child |
| William A. Schmidt | Sexually Violent Person Commitment, First-Degree Sexual Assault of a Child |
| William R. Carpenter | First-Degree Sexual Assault, Sexually Violent Person Commitment, Second-Degree Sexual Assault |



