COUNTY FATALITY DATA

Plymouth County: larger FARS fatality book

Plymouth County (MA) holds a larger FARS book (292, #203 of 3,137) with 36 latest-year deaths.

292
Total Fatalities (2016-2023)
36
Latest Year Deaths
Very high count
6.7
Per 100k Residents
Well below average
Increasing
Trend

Larger fatality book

Plymouth County ranks #203 of 3,137 by total FARS fatalities (292 across 2016-2023) - top-third book size.

Plymouth County in the larger-book third

According to NHTSA FARS, Plymouth County carries a top-third fatality book (292 across 2016-2023, #203 of 3,137) at 6.7/100k.

#2,077 of 2,328
lower-rate third
#203 of 3,137
larger-book third
#5 of 13
in MA by rate
Increasing
fatality trend

FARS county milepost

Milepost PLYMOUTH-23 · Plymouth 6.7/100k · #2,077 of 2,328

Plymouth County · 6.7/100k · increasing

  • BOOK 6.7/100k
  • TREND #2,077 of 2,328
  • CAUSE 292 book
  • PHOTO Increasing
  • VS-ST near Chesapeake(City)
  • CRASH +14.6% vs MA

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 → · Massachusetts state profile →

Plymouth County rate neighbourhood

Deaths per 100,000 residents vs nearest nationwide rate peers (pop ≥250k).

per 100k

What this shows Plymouth County sits among nearest nationwide per-capita peers.

Source NHTSA FARS As of 2026-09-03

How does Plymouth County compare?

2023 road deaths per 100,000 residents. Choose any comparison from the menu.

Plymouth County
6.7 per 100k
Massachusetts county average
5.8 per 100k

Plymouth 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 13 rated counties in Massachusetts, Plymouth County ranks 5 for per-capita risk, above the state's own per-capita average of 5.8 per 100,000 -- nationally, this rate leaves it safer than most U.S. counties by that per-capita measure. The gap between Plymouth County's rate and the state average is 0.9 per 100,000. Its closest per-capita peer statewide is Berkshire County, at 7.1 per 100,000 (a difference of 0.4). Its peer counties, highest to lowest per 100,000 residents: Franklin County (9.9), Hampden County (9.1), Bristol County (7.2), Berkshire County (7.1), Hampshire County (5.5), Barnstable County (5.2), Worcester County (5.2), Norfolk County (5.1), Dukes County (4.8), Essex County (4.7), Suffolk County (2.9), Middlesex County (2.6).

Plymouth County's rate vs. every rated U.S. county

Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population

7 Among the safer counties a lower per-capita rate than 89% 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

030Massachusetts avg6/100k6.7/100k
Plymouth County's rate vs. the Massachusetts state average

Counties with similar FARS profiles

Two cross-state peer sets for Plymouth 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 (6.7 here), outside Massachusetts.

Similar fatality volume

Nearest counties by recorded FARS deaths (292 here), excluding the rate-peer set.

More road safety data related to Plymouth County

Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.

Frequently Asked Questions

How many traffic fatalities occurred in Plymouth County, Massachusetts?

Plymouth County recorded 292 total traffic fatalities across 275 reported crashes over the data period (2016-2023). The most recent year saw 36 fatalities. The county averages approximately 32.4 fatalities per year.

What is the leading cause of road fatalities in Plymouth County?

Despite a comparatively active crash history (275 recorded crashes), individual cause-code breakdowns are not published for Plymouth County in the current FARS release. Statewide data for Massachusetts may provide additional context.

Is the trend of road fatalities in Plymouth County increasing or decreasing?

The trend in Plymouth 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 Plymouth County?

Plymouth County has a fatality rate of 6.7 per 100,000 residents, which leaves it safer than most U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.

Where does Plymouth County rank for road fatality rate?

According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Plymouth County ranks #2,077 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #5 of 13 rated counties in MA, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.

How does Plymouth County compare to the rest of Massachusetts?

Plymouth County's per-capita rate of 6.7 per 100,000 residents is above the Massachusetts county average of 5.8. Visit the Massachusetts state page for the full county-by-county breakdown.

Where does the road fatality data for Plymouth 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.