COUNTY FATALITY DATA
Washington County: smaller FARS fatality book
Washington County (ID) holds a smaller FARS book (19, #2,439 of 3,137) with 3 latest-year deaths.
- 19
- Total Fatalities (2016-2023)
- 3
- Latest Year Deaths
- Low count
- 26.3
- Per 100k Residents
- Above average
- Stable
- Trend
Smaller fatality book
Washington County ranks #2,439 of 3,137 by total FARS fatalities (19 across 2016-2023) - bottom-third book size.
Washington County in the smaller-book third
According to NHTSA FARS, Washington County carries a bottom-third fatality book (19 across 2016-2023, #2,439 of 3,137) at 26.3/100k.
- #536 of 2,328
- higher-rate third
- #2,439 of 3,137
- smaller-book third
- #9 of 30
- in ID by rate
- Stable
- fatality trend
FARS milepost strip
Milepost WASHINGTON-8 · Washington 26.3/100k · #536 of 2,328
Washington County · 26.3/100k · stable
- VS-ST 26.3/100k
- CRASH #536 of 2,328
- FARS 19 book
- NHTSA Stable
- MILE 17 crash
- POST +24.1% 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 Washington County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
Washington County is 24% deadlier 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.
Limited data: Washington County's per-capita rate rests on just 3 road deaths in the year measured, so a single death more or fewer would move it by a third or more and its rank is not a like-for-like comparison with counties that have more deaths.
Among the 15 rated counties in Idaho, Washington County ranks 9 for per-capita risk, above the state's own per-capita average of 21.2 per 100,000 -- nationally, this rate leaves it more dangerous than most U.S. counties by that per-capita measure. The gap between Washington County's rate and the state average is 5.1 per 100,000. Its closest per-capita peer statewide is Gooding County, at 24.9 per 100,000 (a difference of 1.4). 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, limited data), Fremont County (28.2), Gooding County (24.9), Valley County (23.7, limited data), Jefferson County (23.4), Minidoka County (22.2), Blaine County (20.0), Gem County (19.0).
Washington County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
26 Higher than most a lower per-capita rate than 23% 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 Washington County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Washington County vs other counties by rate Per-100k fatality comparison
- Idaho statewide fatality data All counties in this state
- Deadliest states for driving Context for ID
- State fatality changes Year-over-year state trends
- Browse all U.S. counties Alphabetical county index
- All state profiles 51 state dashboards
- State vs U.S. safety comparison Route-level lookup tool
- National statistics download FARS CSV + findings
- How to read FARS fatality data Methodology primer
- Per-mile vs per-capita road risk Rate denominator explained
- Counties starting with W Letter index including ID counties
Frequently Asked Questions
How many traffic fatalities occurred in Washington County, Idaho?
Washington County recorded 19 total traffic fatalities across 17 reported crashes over the data period (2016-2023). The most recent year saw 3 fatalities. The county averages approximately 2.1 fatalities per year.
What is the leading cause of road fatalities in Washington County?
Cause-code breakdowns are not individually published for Washington County in the current FARS release. Statewide data for Idaho may provide additional context.
Is the trend of road fatalities in Washington County increasing or decreasing?
The trend in Washington County is stable. Fatality counts have remained relatively consistent over the data period.
What is the fatality rate per capita in Washington County?
Washington County has a fatality rate of 26.3 per 100,000 residents, which leaves it more dangerous than most U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.
Where does Washington County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Washington County ranks #536 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #9 of 30 rated counties in ID, the same sort used on the deadliest-states and county rate listings. Limited data: Washington County's per-capita rate rests on just 3 road deaths in the year measured, so a single death more or fewer would move it by a third or more and its rank is not a like-for-like comparison with counties that have more deaths. See /methodology#corpus-placement.
How does Washington County compare to the rest of Idaho?
Washington County's per-capita rate of 26.3 per 100,000 residents is above 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 Washington 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.