COUNTY FATALITY DATA
Lyman County: smaller FARS fatality book
Lyman County (SD) holds a smaller FARS book (16, #2,542 of 3,137) with 4 latest-year deaths.
- 16
- Total Fatalities (2016-2023)
- 4
- Latest Year Deaths
- Low count
- 2.9%
- of South Dakota road deaths
- Stable
- Trend
Smaller fatality book
Lyman County ranks #2,542 of 3,137 by total FARS fatalities (16 across 2016-2023) - bottom-third book size.
Lyman County in the smaller-book third
According to NHTSA FARS, Lyman County carries a bottom-third fatality book (16 across 2016-2023, #2,542 of 3,137) at 4 latest-year deaths.
- #2,542 of 3,137
- smaller-book third
- 44%
- of U.S. counties have fewer deaths
- Stable
- fatality trend
NHTSA county milepost
Milepost LYMAN-85 · Lyman 16 deaths
Lyman County · 4 latest · stable
- CRASH 16 tot
- FARS 4 yr
- NHTSA 16 book
- MILE Stable
- POST 13 crash
- BAND 1.8/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 Lyman County compare?
Lyman County recorded 4 road deaths in its most recent year, 2.9% of South Dakota's statewide total, more than 44% 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: 2016-2023.
More road safety data related to Lyman 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 LLetter index including SD counties
Frequently Asked Questions
How many traffic fatalities occurred in Lyman County, South Dakota?
Lyman County recorded 16 total traffic fatalities across 13 reported crashes over the data period (2016-2023). The most recent year saw 4 fatalities. The county averages approximately 1.8 fatalities per year.
What is the leading cause of road fatalities in Lyman County?
With a small recorded crash count (13), FARS does not publish an individual cause-code breakdown for Lyman County. Statewide data for South Dakota may provide additional context.
Is the trend of road fatalities in Lyman County increasing or decreasing?
The trend in Lyman County is stable. Fatality counts have remained relatively consistent over the data period.
What is the fatality rate per capita in Lyman County?
Per-capita fatality rate data is not available for Lyman County (fewer than 10,000 residents). By raw count, the county sits close to the national middle for raw county death tolls.
How does Lyman County compare to the rest of South Dakota?
Lyman County recorded 4 deaths in its most recent year, above 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 Lyman 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.