ZIP 51355 (Okoboji, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51355: 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 |
Dickinson County has lower values than Iowa for crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share. Where it is higher: injuries per crash.
What stands out in Dickinson County: November 12.0% of truck crashes happen in November, more than any other month.
Overview
Dickinson County has recorded 83 truck crashes since 2015, with 43 people injured and 2 killed.
Across the years with complete reporting, that is roughly one truck crash every 54 days.
When crashes happen
Truck crashes peak in November (12.0% of the year) and are lowest in March (0.0%).
Winter months (Nov–Mar) carry 36.0% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 10–11 am, with 10.8% of truck crashes.
9.3% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 51355 since 2015: US-71 (2). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 1.2%, compared with 2.2% in Iowa.
Route planning tips for ZIP 51355 fleets
- Plan November schedules with more margin; it is the worst month for truck crashes in Dickinson County.
- 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 51355 at a glance
| Population | 1,048 |
| Density | 159 per sq mi |
| Median household income | $72,262 |
| Median home value | $424,127 |
| Home ownership | 71% |
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. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51355
How many truck crashes happen in ZIP 51355?
Since 2015, 83 crashes involving commercial trucks were reported in Dickinson County (43 injured, 2 killed).
When do most truck crashes happen in ZIP 51355?
November has the most truck crashes in Dickinson County, 12.0% of the yearly total.
Are garbage truck crashes common in ZIP 51355?
Garbage trucks were involved in 1 reported crash in Dickinson County since 2015 (1.2% of truck crashes).
How do truck crashes in ZIP 51355 compare with Iowa?
Per 100,000 residents, Dickinson County has 37.5 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in ZIP 51355?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.