COUNTY FATALITY DATA
Twin Falls County, Idaho
Road fatality data for Twin Falls County (ID). Data period: 2016-2023.
- 87
- Total Fatalities (2016-2023)
- 12
- Latest Year Deaths
- Near average count
- 12.6
- Per 100k Residents
- Below average
- Increasing
- Trend
Rising fatality trend
Twin Falls County's FARS series is labeled Increasing with 12 deaths in the latest year.
Twin Falls County on a rising FARS trend
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Twin Falls County ranks #1,503 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #22 of 30 rated counties in ID. Twin Falls County's fatality rate of 12.6 per 100,000 residents places it close to the national middle by that per-capita measure.
- #1,503 of 2,328
- among rated U.S. counties by rate
- #837 of 3,137
- larger-book third
- #22 of 30
- in ID by rate
- Increasing
- fatality trend
NHTSA FARS milepost
Milepost TWIN-FALLS-8 · Twin Falls 12.6/100k · #1,503 of 2,328
Twin Falls County · 12.6/100k · increasing
- RANK 12.6/100k
- BOOK #1,503 of 2,328
- TREND 87 book
- CAUSE Increasing
- PHOTO 78 crash
- VS-ST -40.5% vs ID
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 → · Idaho state profile →
How does Twin Falls County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
Twin Falls County is 41% 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 Idaho, Twin Falls County ranks 15 for per-capita risk, below the state's own per-capita average of 21.2 per 100,000 -- nationally, this rate places it close to the national middle by that per-capita measure. The gap between Twin Falls County's rate and the state average is 8.6 per 100,000. Its closest per-capita peer statewide is Blaine County, at 20.0 per 100,000 (a difference of 7.4). Its peer counties, highest to lowest per 100,000 residents: Jerome County (70.6), Idaho County (44.7), Teton County (39.8), Elmore County (37.0), Payette County (33.0), Cassia County (31.1), Benewah County (28.9), Fremont County (28.2), Washington County (26.3), Gooding County (24.9), Valley County (23.7), Jefferson County (23.4), Minidoka County (22.2), Blaine County (20.0).
Twin Falls County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
13 Lower than most a lower per-capita rate than 64% 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
More road safety data related to Twin Falls County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Twin Falls County vs other counties by ratePer-100k fatality comparison
- Idaho statewide fatality dataAll counties in this state
- Deadliest states for drivingContext for ID
- 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 TLetter index including ID counties
Frequently Asked Questions
How many traffic fatalities occurred in Twin Falls County, Idaho?
Twin Falls County recorded 87 total traffic fatalities across 78 reported crashes over the data period (2016-2023). The most recent year saw 12 fatalities. The county averages approximately 9.7 fatalities per year.
What is the leading cause of road fatalities in Twin Falls County?
Despite a comparatively active crash history (78 recorded crashes), individual cause-code breakdowns are not published for Twin Falls County in the current FARS release. Statewide data for Idaho may provide additional context.
Is the trend of road fatalities in Twin Falls County increasing or decreasing?
The trend in Twin Falls 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 Twin Falls County?
Twin Falls County has a fatality rate of 12.6 per 100,000 residents, which places it close to the national middle by that per-capita measure among the 3,137 U.S. counties in this dataset.
Where does Twin Falls County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Twin Falls County ranks #1,503 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #22 of 30 rated counties in ID, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does Twin Falls County compare to the rest of Idaho?
Twin Falls County's per-capita rate of 12.6 per 100,000 residents is below the Idaho county average of 21.2. Visit the Idaho state page for the full county-by-county breakdown.
Where does the road fatality data for Twin Falls 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.