COUNTY FATALITY DATA
Warren County, Ohio
Road fatality data for Warren County (OH). Data period: 2016-2023.
- 141
- Total Fatalities (2016-2023)
- 23
- Latest Year Deaths
- High count
- 9.1
- Per 100k Residents
- Well below average
- Increasing
- Trend
Rising fatality trend
Warren County's FARS series is labeled Increasing with 23 deaths in the latest year.
Warren County on a rising FARS trend
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Warren County ranks #1,860 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #65 of 86 rated counties in OH. Warren County's fatality rate of 9.1 per 100,000 residents leaves it safer than most U.S. counties by that per-capita measure.
- #1,860 of 2,328
- lower-rate third
- #488 of 3,137
- larger-book third
- #65 of 86
- in OH by rate
- Increasing
- fatality trend
FARS milepost strip
Milepost WARREN-165 · Warren 9.1/100k · #1,860 of 2,328
Warren County · 9.1/100k · increasing
- RATE 9.1/100k
- RANK #1,860 of 2,328
- BOOK 141 book
- TREND Increasing
- CAUSE near Cherokee
- PHOTO -36.1% vs OH
Stamps derive from this county's NHTSA FARS row (per-100k or book, corpus rank, trend, nationwide peer NAME, vs-state gap), not a trip-risk forecast. PlainRoadSafety is informational only. See our disclaimer. Verify with NHTSA FARS → · Read with methodology → · Understanding road fatality data → · Ohio state profile →
Warren County rate neighbourhood
Deaths per 100,000 residents vs nearest nationwide rate peers (pop ≥250k).
- Warren
Warren County
9 per 100k
- Cherokee
Cherokee County
9 per 100k
- Hampden
Hampden County
9 per 100k
- Harford
Harford County
9 per 100k
- Lancaster
Lancaster County
9 per 100k
What this shows Warren County sits among nearest nationwide per-capita peers.
How does Warren County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
Warren County is 36% safer than the comparison
2023 road deaths from the NHTSA Fatality Analysis Reporting System over population from the U.S. Census Bureau Population Estimates Program (Vintage 2023). Rates shown for counties with 10,000+ residents and a 2023 FARS record.
Among the 15 rated counties in Ohio, Warren County ranks 15 for per-capita risk, below the state's own per-capita average of 14.2 per 100,000 -- nationally, this rate leaves it safer than most U.S. counties by that per-capita measure. The gap between Warren County's rate and the state average is 5.1 per 100,000. Its closest per-capita peer statewide is Morgan County, at 22.0 per 100,000 (a difference of 12.9). Its peer counties, highest to lowest per 100,000 residents: Fayette County (38.2), Harrison County (35.3), Noble County (34.9), Preble County (34.5), Pike County (29.6), Gallia County (27.6), Guernsey County (26.3), Vinton County (24.1), Fulton County (23.8), Clinton County (23.8), Hardin County (23.1), Madison County (22.4), Carroll County (22.4), Morgan County (22.0).
Warren County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
9 Among the safer counties a lower per-capita rate than 79% of 2,328 rated counties
rated U.S. counties, bucketed by value
Each bar is a band; taller bars hold more rated counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source NHTSA FARS over U.S. Census Bureau population estimates · 2026-09-03
Counties with similar FARS profiles
Two cross-state peer sets for Warren County. Same-state rate comparisons stay in the chart above; these neighborhoods are nearest other-state counties with population at least 250,000.
Similar per-capita fatality rate
Nearest counties by deaths per 100,000 residents (9.1 here), outside Ohio.
Similar fatality volume
Nearest counties by recorded FARS deaths (141 here), excluding the rate-peer set.
More road safety data related to Warren County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Warren County vs other counties by ratePer-100k fatality comparison
- Ohio statewide fatality dataAll counties in this state
- Deadliest states for drivingContext for OH
- State fatality changesYear-over-year state trends
- Browse all U.S. countiesAlphabetical county index
- All state profiles51 state dashboards
- State vs U.S. safety comparisonRoute-level lookup tool
- National statistics downloadFARS CSV + findings
- How to read FARS fatality dataMethodology primer
- Per-mile vs per-capita road riskRate denominator explained
- Counties starting with WLetter index including OH counties
- CHEROKEE County, GA fatalitiesSimilar nationwide FARS profile
- HAMPDEN County, MA fatalitiesSimilar nationwide FARS profile
- HARFORD County, MD fatalitiesSimilar nationwide FARS profile
- LANCASTER County, PA fatalitiesSimilar nationwide FARS profile
Frequently Asked Questions
How many traffic fatalities occurred in Warren County, Ohio?
Warren County recorded 141 total traffic fatalities across 132 reported crashes over the data period (2016-2023). The most recent year saw 23 fatalities. The county averages approximately 15.7 fatalities per year.
What is the leading cause of road fatalities in Warren County?
Despite a comparatively active crash history (132 recorded crashes), individual cause-code breakdowns are not published for Warren County in the current FARS release. Statewide data for Ohio may provide additional context.
Is the trend of road fatalities in Warren County increasing or decreasing?
The trend in Warren County is increasing. This indicates that traffic fatalities have risen over the data period, warranting attention to road safety initiatives.
What is the fatality rate per capita in Warren County?
Warren County has a fatality rate of 9.1 per 100,000 residents, which leaves it safer than most U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.
Where does Warren County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Warren County ranks #1,860 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #65 of 86 rated counties in OH, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does Warren County compare to the rest of Ohio?
Warren County's per-capita rate of 9.1 per 100,000 residents is below the Ohio county average of 14.2. Visit the Ohio state page for the full county-by-county breakdown.
Where does the road fatality data for Warren County come from?
All road fatality data comes from the NHTSA Fatality Analysis Reporting System (FARS), a census of fatal motor vehicle crashes on public roads in the United States. FARS data covers the period 2016-2023 and includes all crashes resulting in at least one fatality within 30 days.