# Counties in Massachusetts by traffic fatality rate, 2024

All 14 values come from Invokely for 2024, so the places are comparable.

- Indicator id: `traffic_fatality_rate_per_100k`
- Unit: per 100,000 people
- Definition: Traffic fatalities (NHTSA FARS) per 100,000 residents in the same year and place.
- Source: Invokely, NHTSA FARS traffic fatalities divided by BEA mid-year population (SAINC1 and CAINC1), per 100,000 residents (https://invokely.ai/docs/methodology#traffic_fatality_rate_per_100k)
- Retrieved: 2026-10-12
- Citation: Invokely calculation from NHTSA FARS traffic fatalities divided by BEA mid-year population (SAINC1 and CAINC1), per 100,000 residents. https://invokely.ai/docs/methodology#traffic_fatality_rate_per_100k. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/traffic-fatality-rate/massachusetts-counties

| Rank | Place | per 100,000 people |
|---:|---|---:|
| 1 | Franklin County | 11.3 |
| 2 | Berkshire County | 10.1 |
| 3 | Dukes County | 9.5 |
| 4 | Hampshire County | 7.9 |
| 5 | Hampden County | 7.5 |
| 6 | Plymouth County | 7.4 |
| 7 | Nantucket County | 6.8 |
| 8 | Bristol County | 5.9 |
| 9 | Barnstable County | 5.6 |
| 10 | Worcester County | 5.6 |
| 11 | Norfolk County | 5 |
| 12 | Suffolk County | 4.2 |
| 13 | Essex County | 3.5 |
| 14 | Middlesex County | 3.3 |