COUNTY FATALITY DATA
Decatur County, Tennessee
Road fatality data for Decatur County (TN). Data period: 2016-2023.
- 30
- Total Fatalities (2016-2023)
- 3
- Latest Year Deaths
- Low count
- 25.7
- Per 100k Residents
- Above average
- Decreasing
- Trend
Falling fatality trend
Decatur County's FARS series is labeled Decreasing with 3 deaths in the latest year.
Decatur County on a falling FARS trend
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Decatur County ranks #557 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #23 of 87 rated counties in TN. Decatur County's fatality rate of 25.7 per 100,000 residents leaves it more dangerous than most U.S. counties by that per-capita measure.
- #557 of 2,328
- higher-rate third
- #1,995 of 3,137
- by total FARS fatalities
- #23 of 87
- in TN by rate
- Decreasing
- fatality trend
NHTSA county milepost
Milepost DECATUR-39 · Decatur 25.7/100k · #557 of 2,328
Decatur County · 25.7/100k · decreasing
- POST 25.7/100k
- BAND #557 of 2,328
- VOL 30 book
- AVG Decreasing
- YOY 28 crash
- RATE +21.7% vs TN
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 → · Tennessee state profile →
How does Decatur County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
Decatur County is 22% deadlier 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 Tennessee, Decatur County ranks 15 for per-capita risk, above the state's own per-capita average of 21.1 per 100,000 -- nationally, this rate leaves it more dangerous than most U.S. counties by that per-capita measure. The gap between Decatur County's rate and the state average is 4.6 per 100,000. Its closest per-capita peer statewide is McNairy County, at 30.6 per 100,000 (a difference of 4.9). Its peer counties, highest to lowest per 100,000 residents: Haywood County (63.5), Crockett County (57.2), Cannon County (46.5), Bledsoe County (46.5), Meigs County (43.8), Jackson County (40.4), Cocke County (40.1), Henderson County (35.6), Campbell County (34.8), Macon County (33.6), Morgan County (32.4), McMinn County (32.3), Hardeman County (31.3), McNairy County (30.6).
Decatur County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
26 Higher than most a lower per-capita rate than 24% 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
More road safety data related to Decatur County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Decatur County vs other counties by ratePer-100k fatality comparison
- Tennessee statewide fatality dataAll counties in this state
- Deadliest states for drivingContext for TN
- 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 DLetter index including TN counties
Frequently Asked Questions
How many traffic fatalities occurred in Decatur County, Tennessee?
Decatur County recorded 30 total traffic fatalities across 28 reported crashes over the data period (2016-2023). The most recent year saw 3 fatalities. The county averages approximately 3.3 fatalities per year.
What is the leading cause of road fatalities in Decatur County?
Cause-code breakdowns are not individually published for Decatur County in the current FARS release. Statewide data for Tennessee may provide additional context.
Is the trend of road fatalities in Decatur County increasing or decreasing?
The trend in Decatur County is decreasing. This suggests road safety improvements are having a positive effect in the county.
What is the fatality rate per capita in Decatur County?
Decatur County has a fatality rate of 25.7 per 100,000 residents, which leaves it more dangerous than most U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.
Where does Decatur County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Decatur County ranks #557 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #23 of 87 rated counties in TN, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does Decatur County compare to the rest of Tennessee?
Decatur County's per-capita rate of 25.7 per 100,000 residents is above the Tennessee county average of 21.1. Visit the Tennessee state page for the full county-by-county breakdown.
Where does the road fatality data for Decatur 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.