DUI in Nassau County, Florida
155 cases (2025) · Nassau County courts
Updated July 2026 · 2025 data
In 2025, Nassau County convicted 97.4% of 155 DUI defendants with zero diversions and zero withheld adjudications. Defendants encountered conviction as the essentially inevitable result with no county-offered alternatives to criminal records. Nassau's prosecution approach eliminates the diversion pathways and record-avoidance tools available in most jurisdictions.
Nassau sentences are moderate despite high conviction rates. Defendants averaged 118.5 days with a median of 75 days, plus 378 days probation and $904 average fines. Prison confinement is rare at 0.6%, while 11.6% served jail time. Public defenders handled 49% of cases, indicating meaningful public-defense representation in this rural circuit.
Where You Are in the Process
Exhibit · DUI case process
Request a formal review hearing with the DMV (DHSMV) to challenge your license suspension. Missing this deadline means an automatic suspension.
Arraignment. Charges are formally presented. Pre-trial diversion may be offered.
Pre-trial period. Your attorney negotiates with the State Attorney's office. A portion of DUI cases in Nassau County receive adjudication withheld or diversion.
Typical resolution time for DUI cases in Nassau County.
Source: Florida Statutes & DHSMV administrative rules — general process overview, not legal advice.
Before Court: State Attorney Decisions
Not every DUI charge in Nassau County makes it in front of a judge. Of 293 prosecutor decisions on DUI charges (2023-2025), the State Attorney declined to file, dropped, or dismissed 20.8% — above the 15.3% statewide rate. These decisions happen early in a case, before trial.
Source: Florida Department of Law Enforcement, State Attorney case data (2023-2025). Rates are per charge, not per defendant — a dropped charge often reflects a plea agreement on another charge in the same case, not the case going away. Percentages are of charges receiving a prosecution decision; transfers between courts are excluded. Court outcome data on this page is a separate dataset covering cases that reached disposition. Statewide charging patterns: The Florida Prosecution Report.
Outcome Breakdown (2025)
Exhibit · Case outcomes (2025)
Largest outcomeGuilty — 97.4% of 155 cases.
Source: FDLE Criminal Justice Data Transparency · 155 cases · 2025 — FloridaCourtFile.com
Sentencing Breakdown (2025)
Exhibit · Sentencing when convicted (2025)
Confinement-type detail below is computed across all available years (2023-2025).
| Confinement Type | Count | Avg Sentence |
|---|---|---|
| County Jail | 55 | 2.9 months |
| State Prison Facility | 2 | 1 year, 1 months |
| Confined to Other Diversionary Facility | 1 | 6.1 months |
Convicted defendants' full sentencing detail — sentence ranges, fines, prison vs. probation odds: DUI sentencing in Nassau County.
Counsel Analysis (2025)
Demographics (2025)
Demographic data reflects systemic patterns in the criminal justice system and should not be used to draw conclusions about any racial or ethnic group. Disparities may reflect differences in policing, prosecution, and socioeconomic factors rather than actual crime rates.
| Race | Cases | Guilty Rate | Dismissal Rate |
|---|---|---|---|
| White | 111 | 96.4% | 0.0% |
| Black | 31 | 100.0% | 0.0% |
Age Distribution (2025)
Year-Over-Year Trends
Exhibit · Disposition trends
| Year | Cases | Guilty Rate | Dismissal Rate | Avg Sentence |
|---|---|---|---|---|
| 2023 | 148 | 98.6% | 0.0% | 3.6 months |
| 2024 | 140 | 99.3% | 0.0% | 2.4 months |
| 2025 | 155 | 97.4% | 0.0% | 3.9 months |
Quarterly detail
Quarterly figures recompute from monthly disposition counts; quarters with fewer than 30 cases are suppressed.
Charge Level Breakdown
| Level | Degree | Cases |
|---|---|---|
| Misdemeanor | First Degree | 400 |
| Misdemeanor | Second Degree | 36 |
| Felony | Third Degree | 7 |
Related Charges in Nassau County
Rates shown are 2025 unless marked otherwise.
| Charge | Cases | Guilty Rate | Dismissal Rate |
|---|---|---|---|
| Traffic Offense | 474 | 25.9% | 1.9% |
| Drug Possession | 349 | 72.2% | 0.3% |
| Other | 246 | 77.6% | 2.4% |
| Probation Violation | 323 | 68.4% | 19.5% |
| Larceny / Theft | 176 | 79.0% | 0.0% |
| Resisting Officer | 90 | 70.0% | 1.1% |
| Battery | 91 | 75.8% | 0.0% |
| Trespassing | 64 | 85.9% | 0.0% |
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Frequently Asked Questions
What is the guilty rate for DUI in Nassau County?
The guilty rate is 97.4% based on 155 cases (2025).
How often is adjudication withheld for DUI in Nassau County?
Adjudication is withheld in 0.0% of cases (2025). This is a Florida-specific outcome where the court finds guilt but does not formally convict, allowing the defendant to avoid a conviction record under FL Statute 948.01.
What is the average sentence for DUI in Nassau County?
The average sentence is 3.9 months, with an average fine of $904 (2025).
What percentage use a public defender vs private attorney?
49.0% of defendants use a public defender, while 29.0% retain private counsel (2025).
Cite this page
FloridaCourtFile.com (2026). DUI in Nassau County, Florida (2025). Based on 155 public court records; last updated July 2026. https://www.floridacourtfile.com/charges/dui/nassau
About this data: Statistics are derived from FDLE Criminal Justice Data Transparency records for Nassau County. "Guilty" includes all cases where the defendant was found guilty. "Adjudication withheld" is a Florida-specific disposition where guilt is found but the court withholds formal adjudication under FL Statute 948.01. "Dismissed" includes all cases dismissed by the court or prosecution.
Source: FDLE Criminal Justice Data Transparency · 155 cases (2025) · Data last updated July 2026 — FloridaCourtFile.com