Fatal Crash Data

Fatal crashes in Warren County, Iowa

In 2024, 4 people died in 4 fatal crashes in Warren County, the same as in 2023. From 2015 to 2024 the county recorded 51 fatal crashes and 56 deaths, the 13th most of any county in Iowa.

All fatal crashes in Iowa.

Deaths in Warren County by year

10201620182020202220242015: 112024: 4
YearFatal crashesDeaths
202444
202334
202256
202133
202088
201911
201866
201745
201688
2015911

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Numbered roads with fatal crashes in Warren County

The 3 roads listed held 41% of all fatal crashes in Warren County from 2015 to 2024; 1 is an interstate, 1 US route, 1 state highway. 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.

RoadFatal crashesDeaths2022 to 2024
1US 65890no page
2I-35883
3State Highway 5551no page

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 Warren County

Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.

Share of fatal crashes in Warren County by weekday and time of day, 2015 to 2024, in percent
Midnight to 44 to 8 am8 to noonNoon to 44 to 8 pm8 to midnight
Sun2.0 percent, 1 fatal crashes0.0 percent, 0 fatal crashes0.0 percent, 0 fatal crashes3.9 percent, 2 fatal crashes3.9 percent, 2 fatal crashes5.9 percent, 3 fatal crashes
Mon2.0 percent, 1 fatal crashes3.9 percent, 2 fatal crashes0.0 percent, 0 fatal crashes2.0 percent, 1 fatal crashes2.0 percent, 1 fatal crashes5.9 percent, 3 fatal crashes
Tue2.0 percent, 1 fatal crashes2.0 percent, 1 fatal crashes0.0 percent, 0 fatal crashes0.0 percent, 0 fatal crashes2.0 percent, 1 fatal crashes0.0 percent, 0 fatal crashes
Wed3.9 percent, 2 fatal crashes0.0 percent, 0 fatal crashes3.9 percent, 2 fatal crashes0.0 percent, 0 fatal crashes2.0 percent, 1 fatal crashes0.0 percent, 0 fatal crashes
Thu2.0 percent, 1 fatal crashes2.0 percent, 1 fatal crashes0.0 percent, 0 fatal crashes2.0 percent, 1 fatal crashes3.9 percent, 2 fatal crashes5.9 percent, 3 fatal crashes
Fri2.0 percent, 1 fatal crashes2.0 percent, 1 fatal crashes2.0 percent, 1 fatal crashes2.0 percent, 1 fatal crashes7.8 percent, 4 fatal crashes3.9 percent, 2 fatal crashes
Sat0.0 percent, 0 fatal crashes2.0 percent, 1 fatal crashes0.0 percent, 0 fatal crashes5.9 percent, 3 fatal crashes5.9 percent, 3 fatal crashes3.9 percent, 2 fatal crashes

By hour

By month

  • Jan5.9%
  • Feb7.8%
  • Mar9.8%
  • Apr11.8%
  • May9.8%
  • Jun9.8%
  • Jul7.8%
  • Aug17.6%
  • Sep2.0%
  • Oct7.8%
  • Nov3.9%
  • Dec5.9%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

What fatal crashes in Warren County first hit

The first harmful event was a fixed object such as a tree, pole or barrier in 45%; a collision with another vehicle in 41%, a rollover in 9.8%, a pedestrian in 2.0%.

First harmful eventFatal crashesShare
Fixed object (tree, pole, barrier, ditch)2345%
Collision with another vehicle2141%
Rollover59.8%
Pedestrian12.0%
Other12.0%
Cyclist00.0%
Parked vehicle00.0%
Not reported00.0%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

How fatal crashes in Warren County compare with Iowa

A drinking driver was recorded in 35% of fatal crashes in Warren County from 2015 to 2024, above the Iowa share of 25%; speeding in 14%, below the Iowa share of 20%; a hit-and-run in 2.0%, about the Iowa share; a driver recorded as distracted in 2.0%, below the Iowa share of 7.0%; 57% of passenger-vehicle occupants killed with belt use known were unbelted, above the Iowa share of 45%. Shares of fatal crashes from 2015 to 2024, against the share across all of Iowa. A share is only given over 20 crashes.

WarrenIowa
On rural roads84%72%above the Iowa share
At or near an intersection28%27%about the same as the Iowa share
In the dark, road unlit39%28%above the Iowa share
A drinking driver35%25%above the Iowa share
Speeding14%20%below the Iowa share
A distracted driver (as recorded)2.0%7.0%below the Iowa share
Occupants killed unbelted57%45%above the Iowa share
Hit-and-run2.0%2.0%about the same as the Iowa share
A motorcycle involved24%17%above the Iowa share
Pedestrians among the dead1.8%7.1%below the Iowa 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 Warren County

How many people died in car accidents in Warren County in 2024?
4 people died in 4 fatal crashes in Warren County, Iowa, in 2024, the same as in 2023.
How many fatal crashes in Warren County involved a drinking driver?
18 of 51 fatal crashes in Warren County from 2015 to 2024 involved a driver NHTSA recorded as drinking, 35%, against 25% across Iowa.

Other counties in Iowa with a page

All fatal crashes in Iowa, with every county ranked.

Where the Warren County numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in Warren County (county code 181). 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.