DUI Sentencing in Nassau County
151 convicted cases (2025) · Nassau County courts
Updated September 2026 · 2025 data
We analyzed 151 convicted DUI cases in Nassau County (2025) to show actual sentencing outcomes — average sentence length, fines, court costs, and the likelihood of prison, jail, or probation. Compared to statewide averages to show how Nassau County judges sentence differently.
Sentence Range (Cases With Incarceration)
Exhibit · Sentence range, cases with incarceration (2025)
Middle 50%Incarceration sentences in Nassau County run 25 days to 4.6 months; the median is 2.5 months.
Source: FDLE Criminal Justice Data Transparency · 151 convicted cases · 2025 — FloridaCourtFile.com
Fine Range (Cases With Fines)
Exhibit · Fine range, cases with fines (2025)
Sentencing Outcome Breakdown (2025)
| Outcome | Nassau County | Florida (Statewide) |
|---|---|---|
| State Prison (sentence > 1 year) | 0.7% | 1.1% |
| County Jail (sentence 1–365 days) | 12.6% | 38.3% |
| Probation Only | 79.5% | 51.3% |
| Average Sentence | 15 days | 1.3 months |
| Average Fine | $904 | $1,053 |
| Average Probation | 1 year | 1 year |
| Average Court Costs | $599 | $797 |
| Average Restitution (where ordered) | $2,083 | $7,624 |
Sentence Confinement Types (2023-2025)
| Confinement Type | Cases | Avg Sentence | Avg Fine |
|---|---|---|---|
| County Jail | 55 | 2.9 months | $1,382 |
| State Prison Facility | 2 | 1 year, 1 months | $1,911 |
| Confined to Other Diversionary Facility | 1 | 6.1 months | $1,910 |
Year-Over-Year Trends
Exhibit · Disposition trends, all DUI cases in Nassau County
| 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.
Trend rows cover all DUI cases in Nassau County by disposition year; the sentencing figures above cover convicted cases in the 2025 window.
Before Court: State Attorney Decisions
Not every DUI charge in Nassau County makes it in front of a judge. Of 292 prosecutor decisions on DUI charges (2023-2025), the State Attorney declined to file, dropped, or dismissed 20.9% — 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.
See the complete picture for this charge: DUI outcomes in Nassau County — dismissal rates, counsel analysis, and year-over-year trends.
Other Charges Sentenced in Nassau County (2023-2025)
| Charge | Convicted | Avg Sentence | Avg Fine |
|---|---|---|---|
| Traffic Offense | 1,621 | 7 days | $379 |
| Drug Possession | 1,565 | 4.1 months | $628 |
| Other | 781 | 5.5 months | $389 |
| Probation Violation | 471 | 5.9 months | $0 |
| Larceny / Theft | 445 | 4.7 months | $561 |
Need a Defense Attorney in Nassau County?
The average sentence for DUI in Nassau County is 15 days. A defense attorney can review your case and work toward the best possible outcome. Free, confidential, no obligation.
Frequently Asked Questions
What is the average sentence for DUI in Nassau County?
Based on 151 convicted DUI cases in Nassau County (2025), the average sentence is 15 days. The statewide average is 1.3 months.
How much are fines for DUI in Nassau County?
83.4% of convicted DUI defendants in Nassau County received a fine, averaging $904. Court costs average $599 additionally. Restitution averages $2,083 in cases where it is ordered.
How does Nassau County compare to statewide sentencing for DUI?
Nassau County's average sentence of 15 days compares to the statewide average of 1.3 months. The prison rate is 0.7% locally vs 1.1% statewide. The average fine is $904 locally vs $1,053 statewide.
Cite this page
FloridaCourtFile.com (2026). DUI Sentencing in Nassau County, Florida (2025). Based on 151 public court records; last updated September 2026. https://www.floridacourtfile.com/sentencing/dui/nassau
Sentencing data covers convicted cases (guilty and adjudication withheld). Average sentences exclude non-incarcerated cases. Data covers 2023–2025 FDLE public court records. Last updated: September 2026
Important: Sentencing outcomes vary based on criminal history, case circumstances, charge severity, plea agreements, and judicial discretion. These statistics reflect aggregate outcomes and do not predict individual sentences.
Methodology: These statistics are based on 151 DUI cases in Nassau County with a disposition of "Guilty" or "Adjudication Withheld" from FDLE Criminal Justice Data Transparency records (2025). "Prison" = sentence exceeding 365 days; "Jail" = sentence of 1–365 days; "Probation Only" = probation imposed with no incarceration sentence. Average fines exclude cases where no fine was imposed.
Source: FDLE Criminal Justice Data Transparency · 151 cases · 2025 · Data last updated September 2026