Counties in New Hampshire by traffic fatalities, 2024

Hillsborough County had the highest traffic fatalities of 10 counties in 2024, at 32. Sullivan County had the lowest, at 1. The median was 11 and the figure for New Hampshire was 133. Source: National Highway Traffic Safety Administration.

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Median1110 counties
New Hampshire133History

Map of counties, 2024

Belknap County: 14 countCarroll County: 10 countCheshire County: 11 countCoos County: 2 countGrafton County: 6 countHillsborough County: 32 countMerrimack County: 20 countRockingham County: 30 countStrafford County: 7 countSullivan County: 1 count
  • Under 5
  • 5 to 9
  • 9 to 12
  • 12 to 22
  • 22 and over
count, 2024. Source: NHTSA, Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Hillsborough County: 32 countHillsborough County32Rockingham County: 30 countRockingham County30Merrimack County: 20 countMerrimack County20Belknap County: 14 countBelknap County14Cheshire County: 11 countCheshire County11Carroll County: 10 countCarroll County10Strafford County: 7 countStrafford County7Grafton County: 6 countGrafton County6Coos County: 2 countCoos County2Sullivan County: 1 countSullivan County1Hillsborough County: 32 countHillsborough County32Rockingham County: 30 countRockingham County30Merrimack County: 20 countMerrimack County20Belknap County: 14 countBelknap County14Cheshire County: 11 countCheshire County11Carroll County: 10 countCarroll County10Strafford County: 7 countStrafford County7Grafton County: 6 countGrafton County6Coos County: 2 countCoos County2Sullivan County: 1 countSullivan County1
count. Source: NHTSA, Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. Retrieved 2026-10-12.

Full ranking

RankCounties2024
count
Change on 2023
1Hillsborough County Provisional32+39.1%
2Rockingham County Provisional30+7.1%
3Merrimack County Provisional200%
4Belknap County Provisional14+75%
5Cheshire County Provisional11-15.4%
6Carroll County Provisional10+11.1%
7Strafford County Provisional7-22.2%
8Grafton County Provisional6-53.8%
9Coos County Provisional2-33.3%
10Sullivan County Provisional10%

Other periods

About this ranking

People killed in motor vehicle traffic crashes during the year. FARS counts people who die within 30 days of a crash involving a motor vehicle travelling on a public road, by the place of the crash, not of residence.

A police-based count of deaths. It differs from death certificate counts (CDC) and from the WHO road traffic death rate (road_traffic_death_rate), which is modelled for international comparison.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

National Highway Traffic Safety Administration (NHTSA), Fatality Analysis Reporting System. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

National Highway Traffic Safety Administration. (2026). Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash (Counties in New Hampshire by traffic fatalities, 2024) [Data set]. Retrieved October 12, 2026, from https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip

MLA 9

Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash, Counties in New Hampshire by traffic fatalities, 2024. National Highway Traffic Safety Administration, 24 June 2026, https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip. Invokely, https://invokely.ai/rankings/traffic-fatalities/new-hampshire-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

National Highway Traffic Safety Administration. 2026. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. Counties in New Hampshire by traffic fatalities, 2024. Dataset. Accessed October 12, 2026. https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip. Also distributed by Invokely, https://invokely.ai/rankings/traffic-fatalities/new-hampshire-counties.

Harvard

National Highway Traffic Safety Administration (2026) Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash, Counties in New Hampshire by traffic fatalities, 2024 [Dataset]. Available at: https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip, via Invokely: https://invokely.ai/rankings/traffic-fatalities/new-hampshire-counties (Accessed: 12 October 2026).

BibTeX
@misc{national_counties_in_new_hampshire_2024,
  author = {{National Highway Traffic Safety Administration}},
  title = {{Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash: Counties in New Hampshire by traffic fatalities, 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/traffic-fatalities/new-hampshire-counties. Publisher attribution: National Highway Traffic Safety Administration (NHTSA), Fatality Analysis Reporting System. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - National Highway Traffic Safety Administration
TI  - Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash: Counties in New Hampshire by traffic fatalities, 2024
PY  - 2026
DA  - 2026/06/24
PB  - National Highway Traffic Safety Administration
DB  - Invokely
UR  - https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip
L2  - https://invokely.ai/rankings/traffic-fatalities/new-hampshire-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/traffic-fatalities/new-hampshire-counties.
N1  - Publisher attribution: National Highway Traffic Safety Administration (NHTSA), Fatality Analysis Reporting System. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip. Retrieved 2026-10-12.
ER  - 
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Rank Counties in New Hampshire by traffic fatalities using official data, and cite the source.
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Questions

Which county has the highest traffic fatalities?

Hillsborough County, with 32 in 2024, according to National Highway Traffic Safety Administration.

Which county has the lowest traffic fatalities?

Sullivan County, with 1 in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. Retrieved 2026-10-12.

Traffic fatalities: other rankings

Counties in New Hampshire: more rankings