COUNTY FATALITY DATA
Chester County, Pennsylvania
Road fatality data for Chester County (PA). Data period: 2016-2023.
- 260
- Total Fatalities (2016-2023)
- 33
- Latest Year Deaths
- 5.3
- Per 100k Residents
- Increasing
- Trend
The verdict
Chester County's fatality rate of 5.3 per 100,000 residents puts it among the safest one in ten U.S. counties by that per-capita measure.
- 95%
- of rated U.S. counties are deadlier per capita
- 11.4/100k
- Pennsylvania county average
- Increasing
- fatality trend
What the Data Shows
Chester County, Pennsylvania recorded 260 total road fatalities across 246 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 33 deaths on county roads, and the annual average works out to approximately 28.9 fatalities per year. Adjusted for population, the fatality rate is 5.3 per 100,000 residents, which puts it among the safest one in ten U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.
Despite a comparatively active crash history (246 recorded crashes), individual cause-code breakdowns are not published for Chester County in the current FARS release, so readers looking for contributing-factor data should use the Pennsylvania 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 Chester 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 Chester County's 260-death total is proportionate to its exposure. All numbers are for research and informational use only.
Total Fatalities
260
Latest Year
33
Avg Annual
28.9
Rate per 100K
5.3
Trend
↑ Increasing
How does Chester County compare?
Average annual road deaths per 100,000 residents. Choose any comparison from the menu.
Chester County is 54% 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 Pennsylvania, Chester County ranks 15 for per-capita risk, below the state's own per-capita average of 11.4 per 100,000 -- nationally, this rate puts it among the safest one in ten U.S. counties by that per-capita measure. The gap between Chester County's rate and the state average is 6.1 per 100,000. Its closest per-capita peer statewide is Clarion County, at 14.6 per 100,000 (a difference of 9.3). Its peer counties, highest to lowest per 100,000 residents: Fulton County (28.3), Susquehanna County (21.5), Bedford County (17.3), Potter County (16.9), Tioga County (16.4), Clinton County (16.0), Clearfield County (15.3), Bradford County (15.1), Wayne County (15.0), Perry County (14.8), Fayette County (14.8), Greene County (14.8), Clarion County (14.6), Venango County (14.6).
Chester County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
5 Among the safer counties a lower per-capita rate than 95% 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
Chester County's rate vs. the Pennsylvania state average
Frequently Asked Questions
How many traffic fatalities occurred in Chester County, Pennsylvania?
Chester County recorded 260 total traffic fatalities across 246 reported crashes over the data period (2016-2023). The most recent year saw 33 fatalities. The county averages approximately 28.9 fatalities per year.
What is the leading cause of road fatalities in Chester County?
Despite a comparatively active crash history (246 recorded crashes), individual cause-code breakdowns are not published for Chester County in the current FARS release. Statewide data for Pennsylvania may provide additional context.
Is the trend of road fatalities in Chester County increasing or decreasing?
The trend in Chester 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 Chester County?
Chester County has a fatality rate of 5.3 per 100,000 residents, which puts it among the safest one in ten U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.
How does Chester County compare to the rest of Pennsylvania?
Chester County's per-capita rate of 5.3 per 100,000 residents is below the Pennsylvania county average of 11.4. Visit the Pennsylvania state page for the full county-by-county breakdown.
Where does the road fatality data for Chester 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.