Road deaths in Massachusetts, 2023
Deaths
342
Per 100,000 residents
4.84
Rank
51 of 51
Massachusetts recorded 342 road deaths in 324 fatal crashes during 2023. At 4.84 deaths per 100,000 residents it sits 60% below the national rate of 12.18, ranking 51 of 51 — among the safer half of states. Deaths fell 21.4% from 2022.
Where the deaths happened
Counties with the most road deaths in 2023. These are raw counts — populous counties will rank high simply because more people drive there.
| County | Deaths | Share of state |
|---|---|---|
| Worcester | 45 | 13.2% |
| Middlesex | 43 | 12.6% |
| Hampden | 42 | 12.3% |
| Bristol | 42 | 12.3% |
| Norfolk | 37 | 10.8% |
| Essex | 37 | 10.8% |
| Plymouth | 36 | 10.5% |
| Suffolk | 22 | 6.4% |
| Barnstable | 12 | 3.5% |
| Hampshire | 9 | 2.6% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2023 national file. Population: US Census Bureau, Vintage 2024 state population estimates.How these numbers are built →