COUNTY FATALITY DATA
St. Mary County, Louisiana
Road fatality data for St. Mary County (LA). Data period: 2016-2023.
- 62
- Total Fatalities (2016-2023)
- 6
- Latest Year Deaths
- Low count
- 12.8
- Per 100k Residents
- Below average
- Increasing
- Trend
Rising fatality trend
St. Mary County's FARS series is labeled Increasing with 6 deaths in the latest year.
St. Mary County on a rising FARS trend
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, St. Mary County ranks #1,478 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #47 of 55 rated counties in LA. St. Mary County's fatality rate of 12.8 per 100,000 residents places it close to the national middle by that per-capita measure.
- #1,478 of 2,328
- among rated U.S. counties by rate
- #1,148 of 3,137
- by total FARS fatalities
- #47 of 55
- in LA by rate
- Increasing
- fatality trend
NHTSA county milepost
Milepost ST-MARY-101 · St. Mary 12.8/100k · #1,478 of 2,328
St. Mary County · 12.8/100k · increasing
- VS-ST 12.8/100k
- CRASH #1,478 of 2,328
- FARS 62 book
- NHTSA Increasing
- MILE 59 crash
- POST -43.9% vs LA
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 → · Louisiana state profile →
How does St. Mary County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
St. Mary County is 44% 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 Louisiana, St. Mary County ranks 15 for per-capita risk, below the state's own per-capita average of 22.8 per 100,000 -- nationally, this rate places it close to the national middle by that per-capita measure. The gap between St. Mary County's rate and the state average is 10.0 per 100,000. Its closest per-capita peer statewide is Avoyelles County, at 28.6 per 100,000 (a difference of 15.8). Its peer counties, highest to lowest per 100,000 residents: St. Helena County (55.7), Grant County (54.8), Pointe Coupee County (50.0), St. John The Baptist County (40.4), De Soto County (36.9), Sabine County (36.5), Franklin County (36.3), Evangeline County (34.6), Union County (33.9), St. Martin County (33.3), Jefferson Davis County (31.7), East Feliciana County (31.2), Richland County (30.4), Avoyelles County (28.6).
St. Mary County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
13 Lower than most a lower per-capita rate than 63% 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 St. Mary County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- St. Mary County vs other counties by ratePer-100k fatality comparison
- Louisiana statewide fatality dataAll counties in this state
- Deadliest states for drivingContext for LA
- 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 SLetter index including LA counties
Frequently Asked Questions
How many traffic fatalities occurred in St. Mary County, Louisiana?
St. Mary County recorded 62 total traffic fatalities across 59 reported crashes over the data period (2016-2023). The most recent year saw 6 fatalities. The county averages approximately 6.9 fatalities per year.
What is the leading cause of road fatalities in St. Mary County?
Despite a comparatively active crash history (59 recorded crashes), individual cause-code breakdowns are not published for St. Mary County in the current FARS release. Statewide data for Louisiana may provide additional context.
Is the trend of road fatalities in St. Mary County increasing or decreasing?
The trend in St. Mary 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 St. Mary County?
St. Mary County has a fatality rate of 12.8 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 St. Mary County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, St. Mary County ranks #1,478 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #47 of 55 rated counties in LA, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does St. Mary County compare to the rest of Louisiana?
St. Mary County's per-capita rate of 12.8 per 100,000 residents is below the Louisiana county average of 22.8. Visit the Louisiana state page for the full county-by-county breakdown.
Where does the road fatality data for St. Mary 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.