COUNTY FATALITY DATA

New Castle County: larger FARS fatality book

New Castle County (DE) holds a larger FARS book (499, #91 of 3,137) with 59 latest-year deaths.

499
Total Fatalities (2016-2023)
59
Latest Year Deaths
Very high count
10.2
Per 100k Residents
Below average
Increasing
Trend

Larger fatality book

New Castle County ranks #91 of 3,137 by total FARS fatalities (499 across 2016-2023) - top-third book size.

New Castle County in the larger-book third

According to NHTSA FARS, New Castle County carries a top-third fatality book (499 across 2016-2023, #91 of 3,137) at 10.2/100k.

#1,746 of 2,328
lower-rate third
#91 of 3,137
larger-book third
#3 of 3
in DE by rate
Increasing
fatality trend

NHTSA county milepost

Milepost NEW-CASTLE-3 · New Castle 10.2/100k · #1,746 of 2,328

New Castle County · 10.2/100k · increasing

  • PHOTO 10.2/100k
  • VS-ST #1,746 of 2,328
  • CRASH 499 book
  • FARS Increasing
  • NHTSA near Bexar
  • MILE -30.1% vs DE

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 → · Delaware state profile →

New Castle County rate neighbourhood

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

per 100k

What this shows New Castle County sits among nearest nationwide per-capita peers.

Source NHTSA FARS As of 2026-09-03

How does New Castle County compare?

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

New Castle County
10.2 per 100k
Delaware county average
14.6 per 100k

New Castle County is 30% 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 3 rated counties in Delaware, New Castle County ranks 3 for per-capita risk, below the state's own per-capita average of 14.6 per 100,000 -- nationally, this rate leaves it safer than most U.S. counties by that per-capita measure. The gap between New Castle County's rate and the state average is 4.4 per 100,000. Its closest per-capita peer statewide is Sussex County, at 16.7 per 100,000 (a difference of 6.5). Its peer counties, highest to lowest per 100,000 residents: Kent County (16.9), Sussex County (16.7).

New Castle 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 75% 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

030Delaware avg15/100k10.2/100k
New Castle County's rate vs. the Delaware state average

Counties with similar FARS profiles

Two cross-state peer sets for New Castle 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 (10.2 here), outside Delaware.

Similar fatality volume

Nearest counties by recorded FARS deaths (499 here), excluding the rate-peer set.

More road safety data related to New Castle County

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

Frequently Asked Questions

How many traffic fatalities occurred in New Castle County, Delaware?

New Castle County recorded 499 total traffic fatalities across 461 reported crashes over the data period (2016-2023). The most recent year saw 59 fatalities. The county averages approximately 55.4 fatalities per year.

What is the leading cause of road fatalities in New Castle County?

Despite a comparatively active crash history (461 recorded crashes), individual cause-code breakdowns are not published for New Castle County in the current FARS release. Statewide data for Delaware may provide additional context.

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

The trend in New Castle 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 New Castle County?

New Castle County has a fatality rate of 10.2 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.

Where does New Castle County rank for road fatality rate?

According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, New Castle County ranks #1,746 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #3 of 3 rated counties in DE, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.

How does New Castle County compare to the rest of Delaware?

New Castle County's per-capita rate of 10.2 per 100,000 residents is below the Delaware county average of 14.6. Visit the Delaware state page for the full county-by-county breakdown.

Where does the road fatality data for New Castle 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.