COUNTY FATALITY DATA
Day County: smaller FARS fatality book
Day County (SD) holds a smaller FARS book (4, #3,014 of 3,137) with 0 latest-year deaths.
- 4
- Total Fatalities (2017-2021)
- 0
- Latest Year Deaths
- Low count
- 0.0%
- of South Dakota road deaths
- Stable
- Trend
Smaller fatality book
Day County ranks #3,014 of 3,137 by total FARS fatalities (4 across 2017-2021) - bottom-third book size.
Day County in the smaller-book third
According to NHTSA FARS, Day County carries a bottom-third fatality book (4 across 2017-2021, #3,014 of 3,137) at 0 latest-year deaths.
- #3,014 of 3,137
- smaller-book third
- 9%
- of U.S. counties have fewer deaths
- Stable
- fatality trend
FARS milepost strip
Milepost DAY-37 · Day 4 deaths
Day County · 0 latest · stable
- YOY 4 tot
- RATE 0 yr
- RANK 4 book
- BOOK Stable
- TREND 4 crash
- CAUSE 0.4/yr
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 → · South Dakota state profile →
How does Day County compare?
Day County recorded 0 road deaths in its most recent year, 0.0% of South Dakota's statewide total, more than 9% of U.S. counties by count. This county is below the 10,000-resident threshold for a population-stable per-capita rate, so figures are shown as counts.
Source: NHTSA Fatality Analysis Reporting System (FARS). Data period: 2017-2021.
More road safety data related to Day County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- South Dakota statewide fatality dataAll counties in this state
- Safest counties per capitaNational county rate ranking
- Deadliest states for drivingContext for SD
- State fatality changesYear-over-year state trends
- Browse all U.S. countiesAlphabetical county index
- All state profiles51 state dashboards
- State vs U.S. safety comparisonRoute-level lookup tool
- National statistics downloadFARS CSV + findings
- How to read FARS fatality dataMethodology primer
- Per-mile vs per-capita road riskRate denominator explained
- Counties starting with DLetter index including SD counties
Frequently Asked Questions
How many traffic fatalities occurred in Day County, South Dakota?
Day County recorded 4 total traffic fatalities across 4 reported crashes over the data period (2017-2021). The most recent year saw 0 fatalities. The county averages approximately 0.4 fatalities per year.
What is the leading cause of road fatalities in Day County?
With a small recorded crash count (4), FARS does not publish an individual cause-code breakdown for Day County. Statewide data for South Dakota may provide additional context.
Is the trend of road fatalities in Day County increasing or decreasing?
The trend in Day County is stable. Fatality counts have remained relatively consistent over the data period.
What is the fatality rate per capita in Day County?
Per-capita fatality rate data is not available for Day County (fewer than 10,000 residents). By raw count, the county is among the lowest raw death tolls of any U.S. county.
How does Day County compare to the rest of South Dakota?
Day County recorded 0 deaths in its most recent year, below the South Dakota county average of 2. Visit the South Dakota state page for the full county-by-county breakdown.
Where does the road fatality data for Day 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 2017-2021 and includes all crashes resulting in at least one fatality within 30 days.