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
- 30.5
- Per 100k Residents
- Decreasing
- Trend
The verdict
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
- national by fatality rate
- #7 of 68
- in IA by rate
- 16%
- of rated U.S. counties are deadlier per capita
- Decreasing
- fatality trend
Highway fatality milepost
Milepost IOWA-95 · Iowa 30.5/100k · #372 of 2,328
Iowa County · 30.5/100k · decreasing · cause n/a
- 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), 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 · 2026-08-09
Source: NHTSA Fatality Analysis Reporting System (FARS) This information is for research and informational purposes only
Read our methodology - how this data is sourced, computed, and verified.
Source and method. PlainRoadSafety is rendered directly from the National Highway Traffic Safety Administration Fatality Analysis Reporting System (FARS). PlainRoadSafety aggregates published FARS records and does not invent a fatality count the census does not report. County figures are computed directly from NHTSA FARS census data, no figure is typed in by an editor. See our Editorial & Corrections Policy, the methodology behind these numbers, or Report a correction. Data current as of October 2024.