GeraSure / US Road Fatality Risk / South Dakota
South Dakota: Road Fatality Risk
Gera US Road Fatality Index: 5.5/10 (Moderate) · Rank: #20 of 51 · 15.594/100k population · 1.369/100M VMT. Risk-context signals only.
What is the road fatality rate for South Dakota?
South Dakota has a Gera US Road Fatality Index (GUSRFI) of 5.5/10 (Moderate), ranking 20 of 51 states. Based on NHTSA FARS 2021-2023: 15.594 road fatalities per 100,000 population (3yr avg) — 2.90/100k above the US average of 12.695/100k. Per-VMT rate: 1.369 per 100M miles (FHWA 2023).
GUSRFI components — South Dakota (FARS 2021-2023 / Census PEP 2023 / FHWA VM-2 2023)
| Metric | Value | Source | Notes |
|---|---|---|---|
| Road fatalities 2021 | 148 | NHTSA FARS 2021 | Fatal crashes on public roads |
| Road fatalities 2022 | 137 | NHTSA FARS 2022 | |
| Road fatalities 2023 | 140 | NHTSA FARS 2023 | |
| 3yr average annual fatalities | 141.7 | Gera calculation | (2021+2022+2023)/3 |
| 3yr average population | 908,495 | Census PEP 2021-2023 | |
| Fatalities per 100k population | 15.594 | Gera formula | US avg: 12.695 |
| Annual VMT (millions, 2023) | 10,344.667 | FHWA VM-2 2023 | Vehicle-miles traveled |
| Fatalities per 100M VMT | 1.369 | Gera formula | avg_fatals/VMT×100 |
| GUSRFI (0-10) | 5.5 | Gera formula | Moderate — rank #20 |
South Dakota Road Fatality Risk Explorer
Explore GUSRFI components and compare against the US average.
GUSRFI
5.5 / 10
Moderate
South Dakota
South Dakota has a Moderate road fatality index (15.6/100k). Near the US average of 12.7/100k.
Source: NHTSA FARS 2021-2023 + Census PEP 2023 + FHWA VM-2 2023. Risk-context index only.
Risk signal components
US avg: 12.7/100k · Source: NHTSA FARS + Census PEP
VMT = vehicle-miles traveled · Source: FHWA Highway Statistics VM-2 2023
Avg annual fatals
142
2021-2023
Per 100k pop
15.59
3yr avg
Per 100M VMT
1.37
FHWA 2023
Get road-risk insurance tools for South Dakota
GeraSure is building state-level auto-insurance comparison tools informed by GUSRFI. Join the waitlist for South Dakota — moderate road fatality risk context (15.594/100k, Moderate).
South Dakota road fatality rate: frequently asked questions
- What is South Dakota's GUSRFI road fatality index?
- South Dakota has a Gera US Road Fatality Index (GUSRFI) of 5.5/10 (Moderate), ranking 20 of 51 US states. The index is based on a 3-year average (2021-2023) of 142 annual road fatalities per 0.91M population = 15.594 per 100k. Source: NHTSA FARS + Census PEP.
- How does South Dakota compare to the US average for road fatalities?
- South Dakota (15.594/100k) is 2.90/100k above the US average of 12.695/100k (3-year avg 2021-2023). The highest-risk state is Mississippi (24.943/100k, GUSRFI 9.9/10); the lowest is Massachusetts (5.673/100k, GUSRFI 0/10).
- How many road fatalities occurred in South Dakota in 2023?
- NHTSA FARS recorded 140 road fatalities in South Dakota in 2023. In 2022 there were 137, and in 2021 there were 148 — giving a 3-year average of 142 per year. These figures include all fatal crashes on public roads in South Dakota.
- What is the South Dakota road fatality rate per vehicle-mile traveled?
- South Dakota has 1.369 road fatalities per 100 million vehicle-miles traveled (3-year avg fatals / FHWA 2023 VMT of 10,344.667M miles). This measures fatality risk adjusted for driving intensity — states with more miles driven are not necessarily the same as states with higher per-capita risk.
States near South Dakota in GUSRFI ranking
All states →Contains public sector information published by NHTSA / US Census Bureau / FHWA and licensed under the US Government public domain. Source: NHTSA Fatality Analysis Reporting System (FARS) — annual national CSV ZIPs 2021-2023 (FARS 2021-2023 / Census PEP 2023 / FHWA VM-2 2023, published 2024-2025).
Full GUSRFI formula and verification: Gera US Road Fatality Index methodology.