COUNTY FATALITY DATA
Decatur County, Iowa
Road fatality data for Decatur County (IA). Data period: 2016-2023.
- 20
- Total Fatalities (2016-2023)
- 4
- Latest Year Deaths
- Low count
- 1.1%
- of Iowa road deaths
- Decreasing
- Trend
Falling fatality trend
Decatur County's FARS series is labeled Decreasing with 4 deaths in the latest year.
Decatur County on a falling FARS trend
Decatur County recorded 4 road deaths in its most recent year, which sits close to the national middle for raw county death tolls, 1.1% of Iowa's statewide total.
- #2,371 of 3,137
- smaller-book third
- 44%
- of U.S. counties have fewer deaths
- Decreasing
- fatality trend
Highway fatality milepost
Milepost DECATUR-53 · Decatur 20 deaths
Decatur County · 4 latest · decreasing
- TREND 20 tot
- CAUSE 4 yr
- PHOTO 20 book
- VS-ST Decreasing
- CRASH 19 crash
- FARS 2.2/yr
Stamps derive from this county's NHTSA FARS row (per-100k or book, corpus rank, trend, nationwide peer NAME, vs-state gap), not a trip-risk forecast. PlainRoadSafety is informational only. See our disclaimer. Verify with NHTSA FARS → · Read with methodology → · Understanding road fatality data → · Iowa state profile →
How does Decatur County compare?
Decatur County recorded 4 road deaths in its most recent year, 1.1% of Iowa's statewide total, more than 44% of U.S. counties by count. This county is below the 10,000-resident threshold for a population-stable per-capita rate, so figures are shown as counts.
Source: NHTSA Fatality Analysis Reporting System (FARS). Data period: 2016-2023.
More road safety data related to Decatur County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Iowa statewide fatality dataAll counties in this state
- Safest counties per capitaNational county rate ranking
- Deadliest states for drivingContext for IA
- State fatality changesYear-over-year state trends
- Browse all U.S. countiesAlphabetical county index
- All state profiles51 state dashboards
- State vs U.S. safety comparisonRoute-level lookup tool
- National statistics downloadFARS CSV + findings
- How to read FARS fatality dataMethodology primer
- Per-mile vs per-capita road riskRate denominator explained
- Counties starting with DLetter index including IA counties
Frequently Asked Questions
How many traffic fatalities occurred in Decatur County, Iowa?
Decatur County recorded 20 total traffic fatalities across 19 reported crashes over the data period (2016-2023). The most recent year saw 4 fatalities. The county averages approximately 2.2 fatalities per year.
What is the leading cause of road fatalities in Decatur County?
Cause-code breakdowns are not individually published for Decatur County in the current FARS release. Statewide data for Iowa may provide additional context.
Is the trend of road fatalities in Decatur County increasing or decreasing?
The trend in Decatur County is decreasing. This suggests road safety improvements are having a positive effect in the county.
What is the fatality rate per capita in Decatur County?
Per-capita fatality rate data is not available for Decatur County (fewer than 10,000 residents). By raw count, the county sits close to the national middle for raw county death tolls.
How does Decatur County compare to the rest of Iowa?
Decatur County recorded 4 deaths in its most recent year, above the Iowa county average of 4. Visit the Iowa state page for the full county-by-county breakdown.
Where does the road fatality data for Decatur County come from?
All road fatality data comes from the NHTSA Fatality Analysis Reporting System (FARS), a census of fatal motor vehicle crashes on public roads in the United States. FARS data covers the period 2016-2023 and includes all crashes resulting in at least one fatality within 30 days.