Fatal crashes in Natrona County, Wyoming
In 2024, 11 people died in 11 fatal crashes in Natrona County, 10.0% more than in 2023. From 2015 to 2024 the county recorded 86 fatal crashes and 99 deaths, the 4th most of any county in Wyoming.
13.7 deaths per 100,000 residents, against 18.2 across Wyoming in 2024; 12.4 against 21.7 a year over 2015 to 2024. Population 80,410, Census Bureau estimate. All fatal crashes in Wyoming.
Deaths in Natrona County by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 11 | 11 |
| 2023 | 8 | 10 |
| 2022 | 7 | 9 |
| 2021 | 6 | 6 |
| 2020 | 7 | 7 |
| 2019 | 7 | 8 |
| 2018 | 5 | 5 |
| 2017 | 15 | 18 |
| 2016 | 5 | 6 |
| 2015 | 15 | 19 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
The deadliest roads in Natrona County
US 20 had the most fatal crashes of any numbered road in Natrona County from 2015 to 2024: 16, with 20 deaths. The 4 roads listed held 52% of all fatal crashes in Natrona County from 2015 to 2024; 1 is an interstate, 1 US route, 2 state highways. Interstate, US and state routes with 5 or more fatal crashes in the county; county roads and city streets are in the county's total but not listed.
| Road | Fatal crashes | Deaths | 2022 to 2024 | ||
|---|---|---|---|---|---|
| 1 | US 20 | 16 | 20 | 3 | no page |
| 2 | I-25 | 13 | 15 | 4 | |
| 3 | State Highway 220 | 11 | 13 | 4 | no page |
| 4 | State Highway 258 | 5 | 5 | 1 | no page |
Cities NHTSA filed, with their fatal crashes from 2015 to 2024: Casper 35. The city is not filed for crashes outside a city.
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
When fatal crashes happen in Natrona County
Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 0.0 percent, 0 fatal crashes | 1.2 percent, 1 fatal crashes | 2.3 percent, 2 fatal crashes | 3.5 percent, 3 fatal crashes | 3.5 percent, 3 fatal crashes | 5.8 percent, 5 fatal crashes |
| Mon | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 1.2 percent, 1 fatal crashes | 5.8 percent, 5 fatal crashes | 4.7 percent, 4 fatal crashes | 3.5 percent, 3 fatal crashes |
| Tue | 1.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 1.2 percent, 1 fatal crashes | 3.5 percent, 3 fatal crashes | 1.2 percent, 1 fatal crashes |
| Wed | 1.2 percent, 1 fatal crashes | 1.2 percent, 1 fatal crashes | 2.3 percent, 2 fatal crashes | 3.5 percent, 3 fatal crashes | 3.5 percent, 3 fatal crashes | 1.2 percent, 1 fatal crashes |
| Thu | 0.0 percent, 0 fatal crashes | 2.3 percent, 2 fatal crashes | 2.3 percent, 2 fatal crashes | 3.5 percent, 3 fatal crashes | 1.2 percent, 1 fatal crashes | 2.3 percent, 2 fatal crashes |
| Fri | 1.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 2.3 percent, 2 fatal crashes | 3.5 percent, 3 fatal crashes | 4.7 percent, 4 fatal crashes | 4.7 percent, 4 fatal crashes |
| Sat | 2.3 percent, 2 fatal crashes | 4.7 percent, 4 fatal crashes | 2.3 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 4.7 percent, 4 fatal crashes | 7.0 percent, 6 fatal crashes |
By hour
By month
- Jan4.7%
- Feb4.7%
- Mar3.5%
- Apr10.5%
- May10.5%
- Jun11.6%
- Jul8.1%
- Aug16.3%
- Sep9.3%
- Oct9.3%
- Nov7.0%
- Dec4.7%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes in Natrona County first hit
The first harmful event was a collision with another vehicle in 41%; a rollover in 28%, a fixed object such as a tree, pole or barrier in 14%, a pedestrian in 7.0%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 35 | 41% |
| Rollover | 24 | 28% |
| Fixed object (tree, pole, barrier, ditch) | 12 | 14% |
| Pedestrian | 6 | 7.0% |
| Other | 6 | 7.0% |
| Parked vehicle | 2 | 2.3% |
| Cyclist | 1 | 1.2% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes in Natrona County compare with Wyoming
A drinking driver was recorded in 41% of fatal crashes in Natrona County from 2015 to 2024, above the Wyoming share of 33%; speeding in 43%, above the Wyoming share of 35%; a hit-and-run in 1.2%, about the Wyoming share; a driver recorded as distracted in 7.0%, below the Wyoming share of 9.6%; 66% of passenger-vehicle occupants killed with belt use known were unbelted, above the Wyoming share of 61%. Shares of fatal crashes from 2015 to 2024, against the share across all of Wyoming. A share is only given over 20 crashes.
| Natrona | Wyoming | ||
|---|---|---|---|
| On rural roads | 56% | 81% | below the Wyoming share |
| At or near an intersection | 23% | 9.5% | above the Wyoming share |
| In the dark, road unlit | 30% | 33% | below the Wyoming share |
| A drinking driver | 41% | 33% | above the Wyoming share |
| Speeding | 43% | 35% | above the Wyoming share |
| A distracted driver (as recorded) | 7.0% | 9.6% | below the Wyoming share |
| Occupants killed unbelted | 66% | 61% | above the Wyoming share |
| Hit-and-run | 1.2% | 0.8% | about the same as the Wyoming share |
| A motorcycle involved | 17% | 16% | above the Wyoming share |
| Pedestrians among the dead | 6.1% | 5.6% | about the same as the Wyoming share |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Questions about fatal crashes in Natrona County
- How many people died in car accidents in Natrona County in 2024?
- 11 people died in 11 fatal crashes in Natrona County, Wyoming, in 2024, 10.0% more than in 2023. That is 13.7 deaths per 100,000 residents, against 18.2 across Wyoming.
- What is the deadliest road in Natrona County?
- US 20 had the most fatal crashes of any numbered road in Natrona County from 2015 to 2024: 16, with 20 deaths.
- How many fatal crashes in Natrona County involved a drinking driver?
- 35 of 86 fatal crashes in Natrona County from 2015 to 2024 involved a driver NHTSA recorded as drinking, 41%, against 33% across Wyoming.
Other counties in Wyoming with a page
- Laramie County
- Sweetwater County
- Fremont County
- Carbon County
- Albany County
- Campbell County
- Converse County
All fatal crashes in Wyoming, with every county ranked.
Where the Natrona County numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in Natrona County (county code 25). A fatal crash is one in which someone died within 30 days. The rate per 100,000 uses the Census Bureau's population estimate for the county; it is the only figure here not counted from FARS. The full method.