COUNTY FATALITY DATA
Jefferson County: larger FARS fatality book
Jefferson County (KY) holds a larger FARS book (890, #37 of 3,137) with 134 latest-year deaths.
- 890
- Total Fatalities (2016-2023)
- 134
- Latest Year Deaths
- Very high count
- 17.4
- Per 100k Residents
- Below average
- Increasing
- Trend
Larger fatality book
Jefferson County ranks #37 of 3,137 by total FARS fatalities (890 across 2016-2023) - top-third book size.
Jefferson County in the larger-book third
According to NHTSA FARS, Jefferson County carries a top-third fatality book (890 across 2016-2023, #37 of 3,137) at 17.4/100k.
- #1,033 of 2,328
- among rated U.S. counties by rate
- #37 of 3,137
- larger-book third
- #51 of 98
- in KY by rate
- Increasing
- fatality trend
NHTSA FARS milepost
Milepost JEFFERSON-11 · Jefferson 17.4/100k · #1,033 of 2,328
Jefferson County · 17.4/100k · increasing
- FARS 17.4/100k
- NHTSA #1,033 of 2,328
- MILE 890 book
- POST Increasing
- BAND near Knox
- VOL -18.7% vs KY
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 → · Kentucky state profile →
Jefferson County rate neighbourhood
Deaths per 100,000 residents vs nearest nationwide rate peers (pop ≥250k).
- Bernalillo
Bernalillo County
17 per 100k
- Knox
Knox County
17 per 100k
- Pima
Pima County
17 per 100k
- San Bernar…
San Bernardino County
17 per 100k
- Jefferson
Jefferson County
17 per 100k
What this shows Jefferson County sits among nearest nationwide per-capita peers.
How does Jefferson County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
Jefferson County is 19% 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 Kentucky, Jefferson County ranks 15 for per-capita risk, below the state's own per-capita average of 21.4 per 100,000 -- nationally, this rate places it close to the national middle by that per-capita measure. The gap between Jefferson County's rate and the state average is 4.0 per 100,000. Its closest per-capita peer statewide is Pike County, at 37.5 per 100,000 (a difference of 20.1). Its peer counties, highest to lowest per 100,000 residents: Breathitt County (54.0), Breckinridge County (52.1), Todd County (48.0), Caldwell County (47.8), Webster County (47.1), Floyd County (46.5), Carroll County (45.5), Butler County (40.4), Simpson County (39.6), Logan County (38.9), Powell County (38.5), Jackson County (38.2), Ohio County (38.1), Pike County (37.5).
Jefferson County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
17 Around the middle a lower per-capita rate than 44% 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 Jefferson 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 (17.4 here), outside Kentucky.
Similar fatality volume
Nearest counties by recorded FARS deaths (890 here), excluding the rate-peer set.
More road safety data related to Jefferson County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Jefferson County vs other counties by ratePer-100k fatality comparison
- Kentucky statewide fatality dataAll counties in this state
- Deadliest states for drivingContext for KY
- 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 JLetter index including KY counties
- KNOX County, TN fatalitiesSimilar nationwide FARS profile
- PIMA County, AZ fatalitiesSimilar nationwide FARS profile
- SAN BERNARDINO County, CA fatalitiesSimilar nationwide FARS profile
- BERNALILLO County, NM fatalitiesSimilar nationwide FARS profile
Frequently Asked Questions
How many traffic fatalities occurred in Jefferson County, Kentucky?
Jefferson County recorded 890 total traffic fatalities across 847 reported crashes over the data period (2016-2023). The most recent year saw 134 fatalities. The county averages approximately 98.9 fatalities per year.
What is the leading cause of road fatalities in Jefferson County?
Despite a comparatively active crash history (847 recorded crashes), individual cause-code breakdowns are not published for Jefferson County in the current FARS release. Statewide data for Kentucky may provide additional context.
Is the trend of road fatalities in Jefferson County increasing or decreasing?
The trend in Jefferson 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 Jefferson County?
Jefferson County has a fatality rate of 17.4 per 100,000 residents, which places it close to the national middle by that per-capita measure among the 3,137 U.S. counties in this dataset.
Where does Jefferson County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Jefferson County ranks #1,033 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #51 of 98 rated counties in KY, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does Jefferson County compare to the rest of Kentucky?
Jefferson County's per-capita rate of 17.4 per 100,000 residents is below the Kentucky county average of 21.4. Visit the Kentucky state page for the full county-by-county breakdown.
Where does the road fatality data for Jefferson 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.