COUNTY FATALITY DATA

St. Charles County: lower-rate fatality band

St. Charles County (MO) is in the lower per-capita third: 5.3/100k (#2,187 of 2,328). Data period: 2016-2023.

251
Total Fatalities (2016-2023)
22
Latest Year Deaths
High count
5.3
Per 100k Residents
Well below average
Increasing
Trend

Lower per-capita fatality band

St. Charles County ranks #2,187 of 2,328 by deaths per 100,000 residents (5.3/100k) - bottom-third rate among rated U.S. counties.

St. Charles County in the lower-rate third

According to NHTSA FARS, St. Charles County sits in the lower-rate third at 5.3 per 100k (#2,187 of 2,328), #81 of 84 in MO.

#2,187 of 2,328
lower-rate third
#248 of 3,137
larger-book third
#81 of 84
in MO by rate
Increasing
fatality trend

NHTSA county milepost

Milepost ST-CHARLES-1 · St. Charles 5.3/100k · #2,187 of 2,328

St. Charles County · 5.3/100k · increasing

  • YOY 5.3/100k
  • RATE #2,187 of 2,328
  • RANK 251 book
  • BOOK Increasing
  • TREND near Denton
  • CAUSE -75.7% vs MO

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 → · Missouri state profile →

St. Charles County rate neighbourhood

Deaths per 100,000 residents vs nearest nationwide rate peers (pop ≥250k).

per 100k

What this shows St. Charles County sits among nearest nationwide per-capita peers.

Source NHTSA FARS As of 2026-09-03

How does St. Charles County compare?

2023 road deaths per 100,000 residents. Choose any comparison from the menu.

St. Charles County
5.3 per 100k
Missouri county average
21.8 per 100k

St. Charles County is 76% safer 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 Missouri, St. Charles County ranks 15 for per-capita risk, below the state's own per-capita average of 21.8 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 St. Charles County's rate and the state average is 16.5 per 100,000. Its closest per-capita peer statewide is Lafayette County, at 30.1 per 100,000 (a difference of 24.8). Its peer counties, highest to lowest per 100,000 residents: Ripley County (74.0), Pemiscot County (54.7), Morgan County (54.6), Barry County (53.9), Lawrence County (51.5), Douglas County (49.1), Ralls County (47.7), Bates County (43.1), New Madrid County (38.9), Bollinger County (37.9), Saline County (34.7), Stone County (33.7), Wright County (30.9), Lafayette County (30.1).

St. Charles 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 94% 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 · 2026-09-03

030Missouri avg22/100k5.3/100k
St. Charles County's rate vs. the Missouri state average

Counties with similar FARS profiles

Two cross-state peer sets for St. Charles County. Same-state rate comparisons stay in the chart above; these neighborhoods are nearest other-state counties with population at least 250,000.

Similar per-capita fatality rate

Nearest counties by deaths per 100,000 residents (5.3 here), outside Missouri.

Similar fatality volume

Nearest counties by recorded FARS deaths (251 here), excluding the rate-peer set.

More road safety data related to St. Charles County

Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.

Frequently Asked Questions

How many traffic fatalities occurred in St. Charles County, Missouri?

St. Charles County recorded 251 total traffic fatalities across 239 reported crashes over the data period (2016-2023). The most recent year saw 22 fatalities. The county averages approximately 27.9 fatalities per year.

What is the leading cause of road fatalities in St. Charles County?

Despite a comparatively active crash history (239 recorded crashes), individual cause-code breakdowns are not published for St. Charles County in the current FARS release. Statewide data for Missouri may provide additional context.

Is the trend of road fatalities in St. Charles County increasing or decreasing?

The trend in St. Charles 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 St. Charles County?

St. Charles 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.

Where does St. Charles County rank for road fatality rate?

According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, St. Charles County ranks #2,187 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #81 of 84 rated counties in MO, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.

How does St. Charles County compare to the rest of Missouri?

St. Charles County's per-capita rate of 5.3 per 100,000 residents is below the Missouri county average of 21.8. Visit the Missouri state page for the full county-by-county breakdown.

Where does the road fatality data for St. Charles 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.