COUNTY FATALITY DATA
St. Tammany County: larger FARS fatality book
St. Tammany County (LA) holds a larger FARS book (260, #233 of 3,137) with 40 latest-year deaths.
- 260
- Total Fatalities (2016-2023)
- 40
- Latest Year Deaths
- Very high count
- 14.5
- Per 100k Residents
- Below average
- Increasing
- Trend
Larger fatality book
St. Tammany County ranks #233 of 3,137 by total FARS fatalities (260 across 2016-2023) - top-third book size.
St. Tammany County in the larger-book third
According to NHTSA FARS, St. Tammany County carries a top-third fatality book (260 across 2016-2023, #233 of 3,137) at 14.5/100k.
- #1,320 of 2,328
- among rated U.S. counties by rate
- #233 of 3,137
- larger-book third
- #43 of 55
- in LA by rate
- Increasing
- fatality trend
NHTSA county milepost
Milepost ST-TAMMANY-1 · St. Tammany 14.5/100k · #1,320 of 2,328
St. Tammany County · 14.5/100k · increasing
- CAUSE 14.5/100k
- PHOTO #1,320 of 2,328
- VS-ST 260 book
- CRASH Increasing
- FARS near Atlantic
- NHTSA -36.4% 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 →
St. Tammany County rate neighbourhood
Deaths per 100,000 residents vs nearest nationwide rate peers (pop ≥250k).
- St. Clair
St. Clair County
14 per 100k
- St. Tammany
St. Tammany County
15 per 100k
- Atlantic
Atlantic County
15 per 100k
- Lee
Lee County
15 per 100k
- Genesee
Genesee County
15 per 100k
What this shows St. Tammany County sits among nearest nationwide per-capita peers.
How does St. Tammany County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
St. Tammany 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 Louisiana, St. Tammany 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. Tammany County's rate and the state average is 8.3 per 100,000. Its closest per-capita peer statewide is Avoyelles County, at 28.6 per 100,000 (a difference of 14.1). 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. Tammany County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
15 Lower than most a lower per-capita rate than 56% 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 St. Tammany 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 (14.5 here), outside Louisiana.
Similar fatality volume
Nearest counties by recorded FARS deaths (260 here), excluding the rate-peer set.
More road safety data related to St. Tammany County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- St. Tammany 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
- ATLANTIC County, NJ fatalitiesSimilar nationwide FARS profile
- LEE County, FL fatalitiesSimilar nationwide FARS profile
- GENESEE County, MI fatalitiesSimilar nationwide FARS profile
- ST. CLAIR County, IL fatalitiesSimilar nationwide FARS profile
Frequently Asked Questions
How many traffic fatalities occurred in St. Tammany County, Louisiana?
St. Tammany County recorded 260 total traffic fatalities across 247 reported crashes over the data period (2016-2023). The most recent year saw 40 fatalities. The county averages approximately 28.9 fatalities per year.
What is the leading cause of road fatalities in St. Tammany County?
Despite a comparatively active crash history (247 recorded crashes), individual cause-code breakdowns are not published for St. Tammany County in the current FARS release. Statewide data for Louisiana may provide additional context.
Is the trend of road fatalities in St. Tammany County increasing or decreasing?
The trend in St. Tammany 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. Tammany County?
St. Tammany County has a fatality rate of 14.5 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. Tammany County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, St. Tammany County ranks #1,320 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #43 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. Tammany County compare to the rest of Louisiana?
St. Tammany County's per-capita rate of 14.5 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. Tammany 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.