COUNTY FATALITY DATA
Williamson County: larger FARS fatality book
Williamson County (TX) holds a larger FARS book (370, #139 of 3,137) with 43 latest-year deaths.
- 370
- Total Fatalities (2016-2023)
- 43
- Latest Year Deaths
- Very high count
- 6.2
- Per 100k Residents
- Well below average
- Increasing
- Trend
Larger fatality book
Williamson County ranks #139 of 3,137 by total FARS fatalities (370 across 2016-2023) - top-third book size.
Williamson County in the larger-book third
According to NHTSA FARS, Williamson County carries a top-third fatality book (370 across 2016-2023, #139 of 3,137) at 6.2/100k.
- #2,124 of 2,328
- lower-rate third
- #139 of 3,137
- larger-book third
- #154 of 160
- in TX by rate
- Increasing
- fatality trend
NHTSA county milepost
Milepost WILLIAMSON-4 · Williamson 6.2/100k · #2,124 of 2,328
Williamson County · 6.2/100k · increasing
- FARS 6.2/100k
- NHTSA #2,124 of 2,328
- MILE 370 book
- POST Increasing
- BAND near Erie
- VOL -77.3% vs TX
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 → · Texas state profile →
Williamson County rate neighbourhood
Deaths per 100,000 residents vs nearest nationwide rate peers (pop ≥250k).
- Williamson
Williamson County
6 per 100k
- Erie
Erie County
6 per 100k
- Essex
Essex County
6 per 100k
- Allegheny
Allegheny County
6 per 100k
- Somerset
Somerset County
6 per 100k
What this shows Williamson County sits among nearest nationwide per-capita peers.
How does Williamson County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
Williamson County is 77% 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 Texas, Williamson County ranks 15 for per-capita risk, below the state's own per-capita average of 27.3 per 100,000 -- nationally, this rate puts it among the safest one in ten U.S. counties by that per-capita measure. The gap between Williamson County's rate and the state average is 21.1 per 100,000. Its closest per-capita peer statewide is Nolan County, at 55.9 per 100,000 (a difference of 49.7). Its peer counties, highest to lowest per 100,000 residents: Leon County (96.7), Wilbarger County (79.9), Ward County (73.0), Eastland County (72.1), Milam County (69.4), Karnes County (66.6), Dawson County (66.6), Comanche County (64.1), Falls County (63.6), Freestone County (63.6), Panola County (61.3), Blanco County (61.3), Live Oak County (60.4), Nolan County (55.9).
Williamson County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
6 Among the safer counties a lower per-capita rate than 91% 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
Counties with similar FARS profiles
Two cross-state peer sets for Williamson 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 (6.2 here), outside Texas.
Similar fatality volume
Nearest counties by recorded FARS deaths (370 here), excluding the rate-peer set.
More road safety data related to Williamson County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Williamson County vs other counties by ratePer-100k fatality comparison
- Texas statewide fatality dataAll counties in this state
- Deadliest states for drivingContext for TX
- 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 WLetter index including TX counties
- ERIE County, NY fatalitiesSimilar nationwide FARS profile
- ESSEX County, NJ fatalitiesSimilar nationwide FARS profile
- ALLEGHENY County, PA fatalitiesSimilar nationwide FARS profile
- SOMERSET County, NJ fatalitiesSimilar nationwide FARS profile
Frequently Asked Questions
How many traffic fatalities occurred in Williamson County, Texas?
Williamson County recorded 370 total traffic fatalities across 339 reported crashes over the data period (2016-2023). The most recent year saw 43 fatalities. The county averages approximately 41.1 fatalities per year.
What is the leading cause of road fatalities in Williamson County?
Despite a comparatively active crash history (339 recorded crashes), individual cause-code breakdowns are not published for Williamson County in the current FARS release. Statewide data for Texas may provide additional context.
Is the trend of road fatalities in Williamson County increasing or decreasing?
The trend in Williamson 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 Williamson County?
Williamson County has a fatality rate of 6.2 per 100,000 residents, which puts it among the safest one in ten U.S. counties by that per-capita measure among the 3,137 U.S. counties in this dataset.
Where does Williamson County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Williamson County ranks #2,124 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #154 of 160 rated counties in TX, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does Williamson County compare to the rest of Texas?
Williamson County's per-capita rate of 6.2 per 100,000 residents is below the Texas county average of 27.3. Visit the Texas state page for the full county-by-county breakdown.
Where does the road fatality data for Williamson 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.