Quick answer
According to crimebycity.com's analysis of NHTSA Fatality Analysis Reporting System data, Marietta, GA recorded 92 traffic deaths in 87 fatal crashes from 2020 to 2024 — 29.0 deaths per 100,000 residents per year vs the US average of 12.3. Its Road Danger Score of 98/100 means a higher traffic-fatality rate than about 98% of ranked US cities (#12 of 70 in Georgia, most dangerous first).
Road Danger Score
Traffic Deaths per 100K
Fatal Crashes 2020–2024
How Dangerous Are the Roads in Marietta, Georgia?
Marietta has a Road Danger Score of 98/100 (High Road Danger). Over the five years from 2020 to 2024, federal crash data recorded 87 fatal motor-vehicle crashes in the city, killing 92 people — 29.0 traffic deaths per 100,000 residents per year, above the national average of 12.3.
Marietta ranks #12 out of 70 ranked cities in Georgia and #34 out of 2,153 nationally for road danger (most dangerous first). The score is a percentile: a higher traffic-fatality rate than about 98% of ranked US cities.
The most distinctive factor in Marietta's fatal crashes: dark / nighttime conditions — 71% of fatal crashes, versus 50% nationally.
Traffic deaths in Marietta fell 15% comparing 2020–2021 with 2023–2024.
What’s Behind Marietta’s Fatal Crashes (2020–2024)
Share of the city’s 87 fatal crashes where each factor was recorded. Factors overlap, so shares don’t sum to 100%.
| Crash Factor | Fatal Crashes | Marietta | National Avg |
|---|---|---|---|
| Drinking driver involved | 17 | 19.5% | 25.9% |
| Speeding involved | 14 | 16.1% | 28.2% |
| Pedestrian or cyclist involved | 37 | 42.5% | 22.5% |
| Dark / nighttime conditions | 62 | 71.3% | 49.8% |
Marietta Traffic Deaths by Year
Annual traffic fatalities in Marietta, Georgia from NHTSA FARS. Single-year swings are normal in smaller cities; the Road Danger Score uses the full 5-year window.
| Year | Traffic Deaths |
|---|---|
| 2024 | 15 |
| 2023 | 14 |
| 2022 | 29 |
| 2021 | 13 |
| 2020 | 21 |
Frequently Asked Questions
How many fatal car accidents happen in Marietta, Georgia?
According to NHTSA FARS data, Marietta recorded 87 fatal car accidents between 2020 and 2024, resulting in 92 traffic deaths — an average of 18.4 deaths per year.
How dangerous are the roads in Marietta?
Marietta has a Road Danger Score of 98/100, meaning its traffic-fatality rate is higher than about 98% of ranked US cities. The city averages 29.0 traffic deaths per 100,000 residents per year, compared to the US average of 12.3.
What causes fatal car accidents in Marietta?
Of Marietta's fatal crashes in 2020–2024, 20% involved a drinking driver, 16% involved speeding, 43% involved a pedestrian or cyclist, and 71% happened in dark conditions.
How many people die in car accidents in Marietta each year?
An average of 18.4 people per year died in car accidents in Marietta across 2020–2024 (92 total), based on the federal Fatality Analysis Reporting System.
Is driving in Marietta more dangerous than in other Georgia cities?
Marietta ranks #12 of 70 ranked Georgia cities for road danger (most dangerous first) and #34 of 2,153 nationally.