States › Connecticut › 2020
Connecticut in 2020
Deaths 299Fatal crashes 284Per 100,000 8.4US deaths 39,007
FARS data are based on police crash reports and other sources; the drunk-driving measure is based on the highest BAC of any driver in the crash. Final FARS file for 2020.
In 2020, 299 people died in 284 fatal crashes in Connecticut, 8.4 deaths per 100,000 residents against 11.8 nationally.
The death toll rose 20% from 249 in 2019 to 299 in 2020.
Connecticut accounted for 0.8% of the 39,007 crash deaths recorded nationally that year.
36.3% of the state's fatal crashes that year had at least one driver reported as drinking.
By FHWA road function class, the largest share was on minor arterial roads (30%).
36% of the crashes happened between 6pm to midnight; Sunday was the most common day.
Compared with 2019 and the nation
| Measure | Connecticut 2020 | Connecticut 2019 | United States 2020 |
|---|---|---|---|
| Deaths | 299 | 249 | 39,007 |
| Fatal crashes | 284 | 233 | 35,935 |
| Deaths per 100,000 residents | 8.4 | 7.0 | 11.8 |
| Crashes with a drinking driver | 36% | 33% | 27% |
Counties in 2020
Every county with a fatal crash in 2020, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 8 counties listed.
| County | Fatal crashes | Deaths | Per 100,000 | Deaths 2015–2024 |
|---|---|---|---|---|
| New Haven County | 79 | 83 | 9.7 | 810 |
| Hartford County | 62 | 64 | 7.2 | 721 |
| Fairfield County | 57 | 59 | 6.3 | 516 |
| New London County | 21 | 22 | 8.3 | 281 |
| Tolland County | 20 | 21 | 13.9 | 143 |
| Litchfield County | 19 | 21 | 11.7 | 204 |
| Middlesex County | 14 | 17 | 10.5 | 149 |
| Windham County | 12 | 12 | 10.3 | 159 |
Per 100,000 uses the 2024 population estimate for every year, so early-year rates are understated where a county has grown.
Hour of day
Weekday
Road type
Questions and answers
How many people died in crashes in Connecticut in 2020?
299 people in 284 fatal crashes, according to NHTSA's FARS 2020 file, or 8.4 per 100,000 residents.
Which county in Connecticut had the most crash deaths in 2020?
New Haven County with 83 deaths in 79 fatal crashes. The table on this page lists every county with a fatal crash that year.
How did 2020 compare with 2019 in Connecticut?
299 deaths against 249 in 2019 (+20%). Nationally the 2020 total was 39,007.
Provenance
Source: NHTSA Fatality Analysis Reporting System, 2020 national file (accident table, vehicle and person tables); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.