COUNTY FATALITY DATA

Dekalb County, Illinois

Road fatality data for Dekalb County (IL). Data period: 2016-2023.

88
Total Fatalities (2016-2023)
16
Latest Year Deaths
9.8
Per 100k Residents
Increasing
Trend

The verdict

Dekalb County's fatality rate of 9.8 per 100,000 residents leaves it safer than most U.S. counties by that per-capita measure.

77%
of rated U.S. counties are deadlier per capita
14.9/100k
Illinois county average
Increasing
fatality trend

What the Data Shows

Dekalb County, Illinois recorded 88 total road fatalities across 82 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 16 deaths on county roads, and the annual average works out to approximately 9.8 fatalities per year. Adjusted for population, the fatality rate is 9.8 per 100,000 residents, which leaves it safer than most U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.

Despite a comparatively active crash history (82 recorded crashes), individual cause-code breakdowns are not published for Dekalb County in the current FARS release, so readers looking for contributing-factor data should use the Illinois 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 Dekalb County is increasing, which means annual fatalities have risen across the reporting period and may warrant closer attention from local transportation and enforcement agencies. Residents, insurers, and policy analysts can use this baseline alongside population density, highway mile data, and rural-versus-urban road mix to judge whether Dekalb County's 88-death total is proportionate to its exposure. All numbers are for research and informational use only.

Total Fatalities

88

Latest Year

16

Avg Annual

9.8

Rate per 100K

9.8

Trend

↑ Increasing

How does Dekalb County compare?

Average annual road deaths per 100,000 residents. Choose any comparison from the menu.

Dekalb County
9.8 per 100k
Illinois county average
14.9 per 100k

Dekalb County is 34% safer 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 Illinois, Dekalb County ranks 15 for per-capita risk, below the state's own per-capita average of 14.9 per 100,000 -- nationally, this rate leaves it safer than most U.S. counties by that per-capita measure. The gap between Dekalb County's rate and the state average is 5.1 per 100,000. Its closest per-capita peer statewide is Livingston County, at 20.7 per 100,000 (a difference of 10.9). Its peer counties, highest to lowest per 100,000 residents: Washington County (36.9), Iroquois County (33.3), Cumberland County (27.3), Pike County (27.2), Montgomery County (26.4), Fayette County (25.5), Clark County (25.2), Ford County (24.9), Bureau County (24.4), Mason County (24.0), Union County (23.4), Lawrence County (21.6), Jefferson County (20.9), Livingston County (20.7).

Dekalb County's rate vs. every rated U.S. county

Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population

10 Among the safer counties a lower per-capita rate than 77% of 2,392 rated counties

Dekalb County 0 60 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, share, and where it sits relative to this entry.

Source NHTSA FARS over U.S. Census Bureau population estimates · 2026-06-03

Dekalb County's rate vs. the Illinois state average

030Illinois avg15/100k9.8/100k
Dekalb County's rate vs. the Illinois state average

Frequently Asked Questions

How many traffic fatalities occurred in Dekalb County, Illinois?

Dekalb County recorded 88 total traffic fatalities across 82 reported crashes over the data period (2016-2023). The most recent year saw 16 fatalities. The county averages approximately 9.8 fatalities per year.

What is the leading cause of road fatalities in Dekalb County?

Despite a comparatively active crash history (82 recorded crashes), individual cause-code breakdowns are not published for Dekalb County in the current FARS release. Statewide data for Illinois may provide additional context.

Is the trend of road fatalities in Dekalb County increasing or decreasing?

The trend in Dekalb County is increasing. This indicates that traffic fatalities have risen over the data period, warranting attention to road safety initiatives.

What is the fatality rate per capita in Dekalb County?

Dekalb County has a fatality rate of 9.8 per 100,000 residents, which leaves it safer than most U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.

How does Dekalb County compare to the rest of Illinois?

Dekalb County's per-capita rate of 9.8 per 100,000 residents is below the Illinois county average of 14.9. Visit the Illinois state page for the full county-by-county breakdown.

Where does the road fatality data for Dekalb 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

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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.