Williamson County, Texas: fatal crash statistics

Counties of Texas by year (CSV)Cite this page

FARS records 51 deaths in 50 fatal crashes in Williamson County in 2024.

FARS records 465 deaths in 426 fatal crashes in the county from 2015 to 2024.

From 2015 to 2024 the rate is 7.6 deaths for each 100,000 residents in a year.

The rate of Texas in the same years is 13.6.

By deaths from 2015 to 2024, Williamson County was number 15 of 254 counties of Texas.

Deaths in Williamson County rose by 39.6% between the ten years 2005 to 2014 (333) and the ten years 2015 to 2024 (465).

In the counties of Texas the deaths rose by 18.2% between the same years.

From 2015 to 2024, 32.8% of the occupants killed in Williamson County with restraint use known had no restraint, against 45.1% in Texas.

To qualify as a FARS case, the crash had to involve a motor vehicle traveling on a trafficway customarily open to the public and must have resulted in the death of a motorist or a non-motorist within 30 days of the crash.
The set of first files, known as the Annual Report File (ARF), is released following the crash year. The ARF is replaced about a year later with a final file, which contains additional cases or updates to cases that had become available after the ARF was released.
NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on 2 Oct 2026.

This page rests on the FARS 2024 annual file. NHTSA released it on 1 Apr 2026. NHTSA can revise the counts in the final file. Release dates

Figure 1.Deaths in Williamson County by year, 2015 to 2024

Table 1 has the numbers. Go to the table

Since the last update: no figure of this county has a change on record.

Deaths and fatal crashes by year

Table 1.Williamson County: deaths and fatal crashes by year, 2015 to 2024
Year	Deaths	Fatal crashes	Crashes with a driver recorded as drinking
2024	51	50	8
2023	43	41	9
2022	66	59	14
2021	54	51	7
2020	43	39	9
2019	39	36	7
2018	42	36	10
2017	38	36	12
2016	45	41	11
2015	44	37	12
2015 to 2024	465	426	99

Each year from 1975

Figure 2.Deaths in Williamson County by year, 1975 to 2024

Tallest column: 66 (2022)2024: 51

The columns with a stronger shade are the years 2015 to 2024.

Table 2.Williamson County: deaths and fatal crashes by year, 1975 to 2024
Year	Deaths	Fatal crashes
2024	51	50
2023	43	41
2022	66	59
2021	54	51
2020	43	39
2019	39	36
2018	42	36
2017	38	36
2016	45	41
2015	44	37
2014	47	41
2013	23	20
2012	30	28
2011	22	22
2010	25	24
2009	35	28
2008	49	43
2007	32	29
2006	37	31
2005	33	31
2004	34	33
2003	36	34
2002	54	48
2001	53	47
2000	46	38
1999	39	34
1998	34	33
1997	28	25
1996	42	33
1995	38	32
1994	31	31
1993	18	17
1992	32	28
1991	29	25
1990	24	20
1989	19	18
1988	37	34
1987	20	19
1986	25	24
1985	36	31
1984	37	33
1983	26	19
1982	19	17
1981	26	19
1980	19	17
1979	22	22
1978	32	26
1977	22	21
1976	27	24
1975	27	21

Note: a count of 1 or 2 is written "1 or 2". A death is in FARS when it occurs in 30 days or less after the crash.

Rate for each 100,000 residents

Table 3.Williamson County beside Texas and the United States: deaths for each 100,000 residents
Period	Williamson County	Texas	United States
2024	7.0	13.3	11.5
2015 to 2024, in a year	7.6	13.6	11.8

Note: the rate divides the deaths in the county by its residents. Persons who do not live in the county are in the deaths, not in the residents.

Population: Census Bureau estimates, vintage 2025. Williamson County had 729,013 residents in 2024.

Factors that NHTSA records

Table 4.Williamson County: counts by recorded factor, 2015 to 2024
Factor	Count	Counted among	Share	Share in Texas
A driver recorded as drinkingof 426 fatal crashes	99	426 fatal crashes	23.2%	25.5%
A speeding-related driverof 426 fatal crashes	134	426 fatal crashes	31.5%	32.1%
No restraint usedof 293 occupant deaths with restraint use known	96	293 occupant deathswith restraint use known	32.8%	45.1%
Pedestriansof 465 deaths	61	465 deaths	13.1%	17.6%
Bicyclistsof 465 deaths	13	465 deaths	2.8%	1.9%
Motorcyclistsof 465 deaths	72	465 deaths	15.5%	12.7%
On a rural roadof 425 fatal crashes with the condition reported	164	425 fatal crasheswith the condition reported	38.6%	38.1%
In the darkof 419 fatal crashes with the condition reported	206	419 fatal crasheswith the condition reported	49.2%	55.9%

Note: FARS records a driver as drinking when police reported alcohol involvement or a test of the driver was positive for alcohol. It is not NHTSA's alcohol-impaired measure, which uses a blood alcohol concentration of .08 g/dL or higher. One crash can be in two or more rows. NHTSA's definitions

Note that alcohol data is often missing. For that reason, this data element may under-count the actual number of drinking drivers.

NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on 2 Oct 2026.

Weekday, time and road class

Table 5.Williamson County: fatal crashes by weekday and time of day, 2015 to 2024
Weekday	Midnight to 6 a.m.	6 a.m. to noon	Noon to 6 p.m.	6 p.m. to midnight	All
Sunday	19	8	19	15	61
Monday	8	15	14	21	58
Tuesday	13	13	10	13	49
Wednesday	10	19	13	18	60
Thursday	9	12	19	16	56
Friday	13	12	10	26	61
Saturday	22	16	18	24	80
All days	94	95	103	133	425

Note: a cell with a stronger shade has a larger count. The table has the fatal crashes with a known hour and weekday.

Table 6.Williamson County: fatal crashes by road function class, 2015 to 2024
Road function class	Fatal crashes	Share	Share in Texas
Interstate	41	9.6%	15.8%
Other freeways and expressways	27	6.4%	6.3%
Other principal arterial	132	31.1%	29.8%
Minor arterial	86	20.2%	20.3%
Major collector	98	23.1%	18.9%
Minor collector	7	1.6%	1.7%
Local	34	8.0%	7.1%
Not reported	1 or 2	n/a	n/a

Note: the classes are those of the Federal Highway Administration. The shares are of the crashes with a reported class. Road function classes

Light condition and weather

Table 7.Williamson County: fatal crashes by light condition, 2015 to 2024
Light condition	Fatal crashes
Daylight	195
Dark, not lighted	132
Dark, lighted	73
Dawn	12
Dusk	6
Dark, lighting unknown	1 or 2
Other or unknown	7

Table 8.Williamson County: fatal crashes by weather, 2015 to 2024
Weather	Fatal crashes
Clear	325
Cloudy	70
Rain	20
Snow, sleet or freezing rain	0
Fog, smog or smoke	7
Crosswinds or blowing sand/snow	0
Other or not reported	4

Routes in the county

Table 9.Signed routes in Williamson County that have a page: fatal crashes, 2015 to 2024
Route	Type	In Williamson	In all of Texas
Interstate 35	Interstate	39	915
State Route 1	State highway	1 or 2	28
State Route 29	State highway	29	59
State Route 95	State highway	21	51
State Route 130	State highway	4	51
State Route 158	State highway	1 or 2	72
State Route 195	State highway	23	48
US Route 79	US highway	20	154
US Route 183	US highway	32	202

Note: the table has each route with a page that has a fatal crash in the county, in name order. Local streets and county roads have no page. Their crashes are in the county totals. All routes in Texas

Adjacent counties

These lists are for navigation. They are in name order.

Figure 3.Williamson County on the county map of Texas

Deaths for each 100,000 residents in a year, 2015 to 2024

Fewer than 1014 counties
10 to 14.926 counties
15 to 19.924 counties
20 to 29.963 counties
30 or more125 counties
Count of 1 or 2, no rate shown2 counties
Williamson County: 7.6

The limits of the classes are the same for every state. A county with few residents can show a high rate from few deaths. A class is not a judgement of a county. The full map and the table of counties of Texas

Table 10.Counties that share a boundary line with Williamson County
County	State	Deaths, 2024	Deaths, 2015 to 2024	For each 100,000 residents in a year
Bastrop County	Texas	24	287	30.0
Bell County	Texas	63	482	13.1
Burnet County	Texas	13	113	22.8
Lee County	Texas	9	68	38.8
Milam County	Texas	5	107	42.5
Travis County	Texas	153	1,404	11.0

Source of the list: Census Bureau county adjacency file, 2026 edition.

Counties of similar population

These counties of Texas have a population nearest to that of Williamson County. The list is for navigation and is in name order. The number is the deaths from 2015 to 2024.

Official channels

NHTSA Fatality and Injury Reporting System Tool (FIRST)NHTSA's query tool for FARS counts.
NHTSA FARS EncyclopediaNHTSA's tables of FARS data.
Texas Traffic Safety SectionThe highway safety office of Texas.

These links go to the sites of the agencies. They were checked on 2 Oct 2026.

Cite this page

Fatal Roads. Williamson County, Texas: fatal crash statistics. https://fatalroads.com/county/tx/williamson/. Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, FARS 2024 annual file. Data to 31 Dec 2024.

The address of this page does not change.

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Source of the figures

Counts: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, national files of 1975 to 2024. The factors use the vehicle and person files from 2015. Residents: Census Bureau, Population Estimates Program, vintage 2025. Map: Census Bureau cartographic boundary file, 2021 edition. Data to 31 Dec 2024. The figures are totals. No page of this site is about one crash or one person.

How the figures are made. Data sources and licences. Corrections.

Questions

How many deaths did FARS record in Williamson in the ten years before 2015?

FARS records 333 deaths in Williamson County from 2005 to 2014. It records 465 deaths from 2015 to 2024.

What was the rate of Williamson in 2024?

The rate of Williamson County in 2024 was 7.0 deaths for each 100,000 residents. The rate of Texas was 13.3. The rate of the United States was 11.5.

How many fatal crashes in Williamson had a driver recorded as drinking?

FARS records a driver as drinking in 99 of 426 fatal crashes from 2015 to 2024. This count is not NHTSA's alcohol-impaired measure. NHTSA says that alcohol data is often missing, so the count may be too low.

How many fatal crashes did FARS record on signed routes in Williamson?

9 signed routes in the county have a page. FARS records 170 fatal crashes on them in the county from 2015 to 2024. The table of routes on this page gives the count for each route.