COUNTY FATALITY DATA
St. Mary`S County, Maryland
Road fatality data for St. Mary`S County (MD). Data period: 2016-2023.
- 117
- Total Fatalities (2016-2023)
- 14
- Latest Year Deaths
- Near average count
- 12.1
- Per 100k Residents
- Below average
- Increasing
- Trend
Rising fatality trend
St. Mary`S County's FARS series is labeled Increasing with 14 deaths in the latest year.
St. Mary`S County on a rising FARS trend
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, St. Mary`S County ranks #1,540 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #12 of 24 rated counties in MD. St. Mary`S County's fatality rate of 12.1 per 100,000 residents places it close to the national middle by that per-capita measure.
- #1,540 of 2,328
- among rated U.S. counties by rate
- #598 of 3,137
- larger-book third
- #12 of 24
- in MD by rate
- Increasing
- fatality trend
FARS county milepost
Milepost ST-MARYS-37 · St. Mary`S 12.1/100k · #1,540 of 2,328
St. Mary`S County · 12.1/100k · increasing
- RANK 12.1/100k
- BOOK #1,540 of 2,328
- TREND 117 book
- CAUSE Increasing
- PHOTO 110 crash
- VS-ST -7.8% vs MD
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 → · Maryland state profile →
How does St. Mary`S County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
St. Mary`S County is About the same as 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 Maryland, St. Mary`S County ranks 12 for per-capita risk, below the state's own per-capita average of 13.1 per 100,000 -- nationally, this rate places it close to the national middle by that per-capita measure. The gap between St. Mary`S County's rate and the state average is 1.0 per 100,000. Its closest per-capita peer statewide is Charles County, at 12.2 per 100,000 (a difference of 0.1). Its peer counties, highest to lowest per 100,000 residents: Caroline County (35.7), Cecil County (24.6), Queen Anne`S County (20.9), Dorchester County (18.2), Garrett County (17.6), Somerset County (16.1), Allegany County (14.9), Prince George`S County (14.8), Worcester County (12.9), Wicomico County (12.4), Charles County (12.2), Washington County (11.6), Frederick County (11.2), Baltimore County (10.9).
St. Mary`S County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
12 Lower than most a lower per-capita rate than 66% 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`S County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- St. Mary`S County vs other counties by ratePer-100k fatality comparison
- Maryland statewide fatality dataAll counties in this state
- Deadliest states for drivingContext for MD
- 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 MD counties
Frequently Asked Questions
How many traffic fatalities occurred in St. Mary`S County, Maryland?
St. Mary`S County recorded 117 total traffic fatalities across 110 reported crashes over the data period (2016-2023). The most recent year saw 14 fatalities. The county averages approximately 13.0 fatalities per year.
What is the leading cause of road fatalities in St. Mary`S County?
Despite a comparatively active crash history (110 recorded crashes), individual cause-code breakdowns are not published for St. Mary`S County in the current FARS release. Statewide data for Maryland may provide additional context.
Is the trend of road fatalities in St. Mary`S County increasing or decreasing?
The trend in St. Mary`S 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`S County?
St. Mary`S County has a fatality rate of 12.1 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`S County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, St. Mary`S County ranks #1,540 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #12 of 24 rated counties in MD, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does St. Mary`S County compare to the rest of Maryland?
St. Mary`S County's per-capita rate of 12.1 per 100,000 residents is below the Maryland county average of 13.1. Visit the Maryland state page for the full county-by-county breakdown.
Where does the road fatality data for St. Mary`S 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.