COUNTY FATALITY DATA
Iowa County, Wisconsin
Road fatality data for Iowa County (WI). Data period: 2016-2023.
- 35
- Total Fatalities (2016-2023)
- 7
- Latest Year Deaths
- 16.3
- Per 100k Residents
- Stable
- Trend
The verdict
Iowa County's fatality rate of 16.3 per 100,000 residents places it close to the national middle by that per-capita measure.
- 43%
- of rated U.S. counties are deadlier per capita
- 12.3/100k
- Wisconsin county average
- Stable
- fatality trend
What the Data Shows
Iowa County, Wisconsin recorded 35 total road fatalities across 33 reported crashes during the 2016-2023 reporting window, according to NHTSA's Fatality Analysis Reporting System. The most recent year covered by the data logged 7 deaths on county roads, and the annual average works out to approximately 3.9 fatalities per year. Adjusted for population, the fatality rate is 16.3 per 100,000 residents, which places it close to the national middle by that per-capita measure among the 3,137 U.S. counties in this dataset.
Cause-code breakdowns are not individually published for Iowa County in the current FARS release, so readers looking for contributing-factor data should use the Wisconsin state page, which aggregates county-level case files into statewide totals. Either way, the underlying records are drawn from a census of fatal crashes, not a statistical sample, so the counts are actual deaths rather than estimates.
The directional trend for Iowa County is stable, meaning annual counts have stayed within a narrow band relative to the average. Residents, insurers, and policy analysts can use this baseline alongside population density, highway mile data, and rural-versus-urban road mix to judge whether Iowa County's 35-death total is proportionate to its exposure. All numbers are for research and informational use only.
Total Fatalities
35
Latest Year
7
Avg Annual
3.9
Rate per 100K
16.3
Trend
↔ Stable
How does Iowa County compare?
Average annual road deaths per 100,000 residents. Choose any comparison from the menu.
Iowa County is 33% deadlier than the comparison
Average annual 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.
Among the 15 rated counties in Wisconsin, Iowa County ranks 15 for per-capita risk, above the state's own per-capita average of 12.3 per 100,000 -- nationally, this rate places it close to the national middle by that per-capita measure. The gap between Iowa County's rate and the state average is 4.0 per 100,000. Its closest per-capita peer statewide is Lafayette County, at 17.1 per 100,000 (a difference of 0.8). Its peer counties, highest to lowest per 100,000 residents: Burnett County (25.7), Juneau County (21.8), Rusk County (21.2), Polk County (20.5), Sawyer County (19.4), Waushara County (19.3), Adams County (19.1), Jackson County (18.7), Clark County (18.4), Oconto County (18.4), Columbia County (17.6), Lincoln County (17.3), Bayfield County (17.3), Lafayette County (17.1).
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
16 43rd percentile a lower per-capita rate than 43% of 2,392 rated counties
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, share, and where it sits relative to this entry.
Source NHTSA FARS over U.S. Census Bureau population estimates · 2026-06-03
Iowa County's rate vs. the Wisconsin state average
Frequently Asked Questions
How many traffic fatalities occurred in Iowa County, Wisconsin?
Iowa County recorded 35 total traffic fatalities across 33 reported crashes over the data period (2016-2023). The most recent year saw 7 fatalities. The county averages approximately 3.9 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 Wisconsin may provide additional context.
Is the trend of road fatalities in Iowa County increasing or decreasing?
The trend in Iowa County is stable. Fatality counts have remained relatively consistent over the data period.
What is the fatality rate per capita in Iowa County?
Iowa County has a fatality rate of 16.3 per 100,000 residents, which places it close to the national middle by that per-capita measure among the 3,137 U.S. counties in this dataset.
How does Iowa County compare to the rest of Wisconsin?
Iowa County's per-capita rate of 16.3 per 100,000 residents is above the Wisconsin county average of 12.3. Visit the Wisconsin 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.
Source: NHTSA Fatality Analysis Reporting System (FARS) 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.
Every figure on PlainRoadSafety is computed directly from NHTSA FARS census data, no number is typed in by an editor. County figures are computed directly from NHTSA FARS census data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.