ZIP 51331 (Arnolds Park, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51331: commercial truck and garbage truck crashes here and in Dickinson County, 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 83 truck crashes since 2015.
Deadliest roads
How Dickinson County compares with Iowa
Dickinson County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Dickinson County stands out
Full comparison
| Measure (2015–2025) | Dickinson County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 37.5 | 68.1 | 49.7 | 45% below the state |
| Deaths per 100 crashes | 2.7 | 3.5 | 3.4 | 23% below the state |
| Injuries per crash | 0.52 | 0.41 | 0.49 | 1.3× the state |
| Garbage-truck share | 1.3% | 2.2% | 2.3% | 39% below the state |
| On snow, slush or ice | 9.3% | 18.7% | 6.2% | 50% below the state |
| Morning rush (6–10 am) | 21.3% | 24.0% | 23.7% | 11% below the state |
| In rain, sleet or snow | 6.7% | 15.1% | 13.8% | 56% below the state |
| Winter months (Nov–Mar) | 36.0% | 45.4% | 41.9% | 21% below the state |
| After dark | 10.7% | 23.1% | 24.8% | 54% below the state |
Compared with Iowa, Dickinson County is lower on crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share. Where it is higher: injuries per crash.
Dickinson County at a glance: November worst month: 12.0% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 83 crashes involving commercial trucks have been reported in Dickinson County. They injured 43 people and killed 2.
That averages about one truck crash every 54 days in fully reported years.
When crashes happen
November has the most truck crashes, 12.0% of the yearly total, while March has the fewest (0.0%).
The five winter months (November to March) hold 36.0% of truck crashes, against 45.4% across Iowa.
By time of day, 10–11 am stands out with 10.8% of truck crashes.
Road surface: 9.3% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 51331 since 2015 were spread across roads: US-71 (2).
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 1.2% share (Iowa: 2.2%).
Route planning tips for ZIP 51331 fleets
- Build extra time into November routes: it has the most truck crashes here.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Dickinson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-71 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Dickinson County) |
|---|---|
| US-71 | 12 |
| Ia 86 | 5 |
| Ia 9 | 5 |
| State 9/Iowa 9 | 3 |
| Hudson Ave West | 2 |
| State 86/Iowa 86 | 2 |
| State 9/Iowa 9 And 310Th Ave | 2 |
| Us 0071 / Us 71 | 2 |
ZIP 51331 at a glance
| Population | 935 |
| Density | 225 per sq mi |
| Median household income | $89,167 |
| Median home value | $430,166 |
| Home ownership | 89% |
Waste facilities and haulers nearby
Historical data: truck crashes in Dickinson 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 | 3 | — | 0.2 |
| 2000s | 7 | +140% | 0.4 |
| 2010s | 7 | -3% | 0.3 |
| 2020s | 6 | -14% | 0.0 |
Reported truck crashes averaged 3 a year in the 1990s and 6 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51331
How common are truck crashes in ZIP 51331?
Dickinson County has had 83 reported truck crashes since 2015, injuring 43 people and killing 2.
When do most truck crashes happen in ZIP 51331?
November has the most truck crashes in Dickinson County, 12.0% of the yearly total.
How many garbage truck crashes are there in ZIP 51331?
Garbage trucks were involved in 1 reported crash in Dickinson County since 2015 (1.2% of truck crashes).
How does ZIP 51331 compare with Iowa for truck crashes?
Dickinson County records 37.5 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
What is the best way to plan truck routes in ZIP 51331?
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.