Hamlin County, SD truck route planning & crash data
Plan safer truck routes in Hamlin County: commercial truck and garbage truck crashes, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 49 truck crashes since 2015.
Deadliest roads
How Hamlin County compares with South Dakota
Hamlin County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Hamlin County stands out
Full comparison
| Measure (2015–2025) | Hamlin County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 59.3 | 42.0 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 4.7 | 5.2 | 3.4 | 10% below the state |
| Injuries per crash | 0.07 | 0.13 | 0.49 | 46% below the state |
| Garbage-truck share | 2.3% | 1.6% | 2.3% | 1.4× the state |
| On snow, slush or ice | 27.9% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 18.6% | 22.2% | 23.7% | 16% below the state |
| In rain, sleet or snow | 11.6% | 17.5% | 13.8% | 34% below the state |
| Winter months (Nov–Mar) | 44.2% | 48.8% | 41.9% | 9% below the state |
| After dark | 16.3% | 22.8% | 24.8% | 29% below the state |
Compared with South Dakota, Hamlin County is lower on deaths per 100 crashes, injuries per crash and morning rush (6–10 am). It runs above South Dakota on crashes per 100k residents / yr and garbage-truck share.
Hamlin County at a glance: September the month with the most truck crashes: 20.4% of the year's total.
Overview
Hamlin County has recorded 49 truck crashes since 2015, with 5 people injured and 2 killed.
In complete reporting years that works out to about one truck crash every 93 days.
When crashes happen
September has the most truck crashes, 20.4% of the yearly total, while May has the fewest (2.0%).
Winter months (Nov–Mar) carry 44.2% of truck crashes, vs 48.8% for South Dakota.
By time of day, 1–2 pm stands out with 14.3% of truck crashes.
27.9% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Fatal large-truck crashes in Hamlin County since 2015 were spread across roads: CR-465 Ave (1) and US-81 (1).
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 2.0% share (South Dakota: 1.6%).
Route planning tips for Hamlin County fleets
- Plan September schedules with more margin; it is the worst month for truck crashes in Hamlin County.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Hamlin County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Hamlin County) |
|---|---|
| CR-465 Ave | 1 |
| US-81 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Hamlin County) |
|---|---|
| Sd Hwy 28 | 12 |
| US-81 | 10 |
| I-29 | 8 |
| Ave | 5 |
| Sd Hwy 22 | 4 |
| 181St St | 1 |
| 2Nd Ave | 1 |
| 461St Ave | 1 |
Hamlin County at a glance
| Population | 6,596 |
| Land area | 507.1 sq mi |
| Density | 13 per sq mi |
| Median household income (ZIP average) | $89,402 |
Historical data: truck crashes in Hamlin County since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 2 | — | 0.0 |
| 2000s | 3 | +55% | 0.1 |
| 2010s | 4 | +18% | 0.4 |
| 2020s | 4 | -12% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 4. Some of the change may reflect how crashes were reported. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Cities, towns & communities in Hamlin County
ZIP codes in Hamlin County
Nearby counties
Questions fleets ask about Hamlin County
How many truck accidents are there in Hamlin County?
Hamlin County has had 49 reported truck crashes since 2015, injuring 5 people and killing 2.
When do most truck crashes happen in Hamlin County?
The worst month is September: 20.4% of truck crashes in Hamlin County happen then.
Are garbage truck crashes common in Hamlin County?
Garbage trucks were involved in 1 reported crash in Hamlin County since 2015 (2.0% of truck crashes).
How does Hamlin County compare with South Dakota for truck crashes?
The yearly rate is 59.3 truck crashes per 100,000 residents in Hamlin County, vs 42.0 for South Dakota.
What is the best way to plan truck routes in Hamlin County?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.