COUNTY FATALITY DATA
Iowa County, Iowa
Road fatality data for Iowa County (IA). Data period: 2016-2023.
- 38
- Total Fatalities (2016-2023)
- 5
- Latest Year Deaths
- Low count
- 30.5
- Per 100k Residents
- Well above average
- Decreasing
- Trend
Falling fatality trend
Iowa County's FARS series is labeled Decreasing with 5 deaths in the latest year.
Iowa County on a falling FARS trend
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Iowa County ranks #372 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #7 of 68 rated counties in IA. Iowa County's fatality rate of 30.5 per 100,000 residents leaves it more dangerous than most U.S. counties by that per-capita measure.
- #372 of 2,328
- higher-rate third
- #1,729 of 3,137
- by total FARS fatalities
- #7 of 68
- in IA by rate
- Decreasing
- fatality trend
Highway fatality milepost
Milepost IOWA-95 · Iowa 30.5/100k · #372 of 2,328
Iowa County · 30.5/100k · decreasing
- VOL 30.5/100k
- AVG #372 of 2,328
- YOY 38 book
- RATE Decreasing
- RANK 32 crash
- BOOK +93.3% vs IA
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 Iowa County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
Iowa County is 93% deadlier than the comparison
2023 road deaths from the NHTSA Fatality Analysis Reporting System over population from the U.S. Census Bureau Population Estimates Program (Vintage 2023). Rates shown for counties with 10,000+ residents and a 2023 FARS record.
Among the 15 rated counties in Iowa, Iowa County ranks 7 for per-capita risk, above the state's own per-capita average of 15.8 per 100,000 -- nationally, this rate leaves it more dangerous than most U.S. counties by that per-capita measure. The gap between Iowa County's rate and the state average is 14.7 per 100,000. Its closest per-capita peer statewide is Grundy County, at 32.3 per 100,000 (a difference of 1.8). Its peer counties, highest to lowest per 100,000 residents: Louisa County (66.6), Union County (50.4), Harrison County (47.7), Cass County (38.1), Floyd County (32.6), Grundy County (32.3), Cedar County (27.3), Poweshiek County (27.1), Page County (26.6), Boone County (26.3), Winneshiek County (25.2), Wright County (23.7, limited data), Madison County (23.6), Webster County (21.9).
Iowa County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
31 Higher than most a lower per-capita rate than 16% of 2,328 rated counties
rated U.S. counties, bucketed by value
Each bar is a band; taller bars hold more rated counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source NHTSA FARS over U.S. Census Bureau population estimates · 2026-09-03
More road safety data related to Iowa County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Iowa County vs other counties by rate Per-100k fatality comparison
- Iowa statewide fatality data All counties in this state
- Deadliest states for driving Context for IA
- State fatality changes Year-over-year state trends
- Browse all U.S. counties Alphabetical county index
- All state profiles 51 state dashboards
- State vs U.S. safety comparison Route-level lookup tool
- National statistics download FARS CSV + findings
- How to read FARS fatality data Methodology primer
- Per-mile vs per-capita road risk Rate denominator explained
- Counties starting with I Letter index including IA counties
Frequently Asked Questions
How many traffic fatalities occurred in Iowa County, Iowa?
Iowa County recorded 38 total traffic fatalities across 32 reported crashes over the data period (2016-2023). The most recent year saw 5 fatalities. The county averages approximately 4.2 fatalities per year.
What is the leading cause of road fatalities in Iowa County?
Cause-code breakdowns are not individually published for Iowa County in the current FARS release. Statewide data for Iowa may provide additional context.
Is the trend of road fatalities in Iowa County increasing or decreasing?
The trend in Iowa County is decreasing. This suggests road safety improvements are having a positive effect in the county.
What is the fatality rate per capita in Iowa County?
Iowa County has a fatality rate of 30.5 per 100,000 residents, which leaves it more dangerous than most U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.
Where does Iowa County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Iowa County ranks #372 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #7 of 68 rated counties in IA, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does Iowa County compare to the rest of Iowa?
Iowa County's per-capita rate of 30.5 per 100,000 residents is above the Iowa county average of 15.8. Visit the Iowa state page for the full county-by-county breakdown.
Where does the road fatality data for Iowa 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.