COUNTY FATALITY DATA

Lasalle County, Illinois

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

144
Total Fatalities (2016-2023)
25
Latest Year Deaths
14.8
Per 100k Residents
Increasing
Trend

The verdict

Lasalle County's fatality rate of 14.8 per 100,000 residents places it close to the national middle by that per-capita measure.

50%
of rated U.S. counties are deadlier per capita
14.9/100k
Illinois county average
Increasing
fatality trend

What the Data Shows

Lasalle County, Illinois recorded 144 total road fatalities across 132 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 25 deaths on county roads, and the annual average works out to approximately 16.0 fatalities per year. Adjusted for population, the fatality rate is 14.8 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.

Despite a comparatively active crash history (132 recorded crashes), individual cause-code breakdowns are not published for Lasalle 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 Lasalle 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 Lasalle County's 144-death total is proportionate to its exposure. All numbers are for research and informational use only.

Total Fatalities

144

Latest Year

25

Avg Annual

16.0

Rate per 100K

14.8

Trend

↑ Increasing

How does Lasalle County compare?

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

Lasalle County
14.8 per 100k
Illinois county average
14.9 per 100k

Lasalle County is About the same as 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, Lasalle County ranks 15 for per-capita risk, below the state's own per-capita average of 14.9 per 100,000 -- nationally, this rate places it close to the national middle by that per-capita measure. The gap between Lasalle County's rate and the state average is 0.1 per 100,000. Its closest per-capita peer statewide is Livingston County, at 20.7 per 100,000 (a difference of 5.9). 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).

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

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

15 Among the safer counties a lower per-capita rate than 50% of 2,392 rated counties

Lasalle 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

Lasalle County's rate vs. the Illinois state average

030Illinois avg15/100k14.8/100k
Lasalle County's rate vs. the Illinois state average

Frequently Asked Questions

How many traffic fatalities occurred in Lasalle County, Illinois?

Lasalle County recorded 144 total traffic fatalities across 132 reported crashes over the data period (2016-2023). The most recent year saw 25 fatalities. The county averages approximately 16.0 fatalities per year.

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

Despite a comparatively active crash history (132 recorded crashes), individual cause-code breakdowns are not published for Lasalle County in the current FARS release. Statewide data for Illinois may provide additional context.

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

The trend in Lasalle 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 Lasalle County?

Lasalle County has a fatality rate of 14.8 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 Lasalle County compare to the rest of Illinois?

Lasalle County's per-capita rate of 14.8 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 Lasalle 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.