ZIP 52231 (Harper, IA) truck route planning & crash data
Plan safer truck routes around ZIP 52231: commercial truck and garbage truck crashes here and in Keokuk 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
2 of 68 truck crashes since 2015.
Deadliest roads
How Keokuk County compares with Iowa
Keokuk County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Keokuk County stands out
Full comparison
| Measure (2015–2025) | Keokuk County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 60.0 | 68.1 | 49.7 | 12% below the state |
| Deaths per 100 crashes | 4.6 | 3.5 | 3.4 | 1.3× the state |
| Injuries per crash | 0.45 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 3.1% | 2.2% | 2.3% | 1.4× the state |
| On snow, slush or ice | 9.2% | 18.7% | 6.2% | 51% below the state |
| Morning rush (6–10 am) | 24.6% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 7.7% | 15.1% | 13.8% | 49% below the state |
| Winter months (Nov–Mar) | 43.1% | 45.4% | 41.9% | same |
| After dark | 29.2% | 23.1% | 24.8% | 1.3× the state |
Keokuk County sits below Iowa on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Keokuk County: October 13.2% of truck crashes happen in October, more than any other month.
Overview
Since 2015, 68 crashes involving commercial trucks have been reported in Keokuk County. They injured 36 people and killed 3.
That averages about one truck crash every 62 days in fully reported years.
When crashes happen
October has the most truck crashes, 13.2% of the yearly total, while May has the fewest (4.4%).
The five winter months (November to March) hold 43.1% of truck crashes, against 45.4% across Iowa.
By time of day, 12–1 pm stands out with 10.3% of truck crashes.
9.2% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 52231 happened on SR-22 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 2.9%, compared with 2.2% in Iowa.
Route planning tips for ZIP 52231 fleets
- Build extra time into October routes: it has the most truck crashes here.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Keokuk County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-22 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Keokuk County) |
|---|---|
| Ia 92 | 4 |
| State 78/Iowa 78 | 4 |
| State 22/Iowa 22 | 3 |
| Ia 21 | 3 |
| 300Th St And 280Th Ave | 2 |
| State 21/Iowa 21 | 2 |
| State 92/Iowa 92 | 2 |
| 120Th Ave | 1 |
ZIP 52231 at a glance
| Population | 539 |
| Density | 6 per sq mi |
| Median household income | $90,893 |
| Median home value | $243,123 |
| Home ownership | 96% |
Waste facilities and haulers nearby
Historical data: truck crashes in Keokuk 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 | — | 1.1 |
| 2000s | 5 | +46% | 0.4 |
| 2010s | 5 | +8% | 0.5 |
| 2020s | 6 | +8% | 0.0 |
In the 1990s about 3 truck crashes a year were reported; in the 2020s, about 6. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 0.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 52231
How common are truck crashes in ZIP 52231?
Since 2015, 68 crashes involving commercial trucks were reported in Keokuk County (36 injured, 3 killed).
When do most truck crashes happen in ZIP 52231?
October has the most truck crashes in Keokuk County, 13.2% of the yearly total.
How many garbage truck accidents happen in ZIP 52231?
2 crashes involving garbage or refuse trucks have been reported in Keokuk County since 2015, 2.9% of all truck crashes.
How do truck crashes in ZIP 52231 compare with Iowa?
The yearly rate is 60.0 truck crashes per 100,000 residents in Keokuk County, vs 68.1 for Iowa.
What is the best way to plan truck routes in ZIP 52231?
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.